{"id":54423,"date":"2026-05-26T15:57:00","date_gmt":"2026-05-26T08:57:00","guid":{"rendered":"https:\/\/coffeefactz.com\/?p=54423"},"modified":"2026-09-12T10:16:37","modified_gmt":"2026-09-12T03:16:37","slug":"chiet-xuat-ca-phe-toan-dien","status":"publish","type":"post","link":"https:\/\/coffeefactz.com\/vi\/chiet-xuat-ca-phe-toan-dien\/","title":{"rendered":"Gi\u1ea3i M\u00e3 Chi\u1ebft Xu\u1ea5t C\u00e0 Ph\u00ea: C\u00e1ch \u0110\u1ecdc V\u1ecb, \u0110o L\u01b0\u1eddng V\u00e0 Ki\u1ec3m So\u00e1t M\u1ecdi Bi\u1ebfn S\u1ed1 Trong T\u00e1ch"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Chi\u1ebft xu\u1ea5t c\u00e0 ph\u00ea l\u00e0 m\u1ed9t cu\u1ed9c \u0111\u00e0m ph\u00e1n h\u00f3a h\u1ecdc chu\u1ea9n x\u00e1c gi\u1eefa n\u01b0\u1edbc v\u00e0 b\u1ed9t c\u00e0 ph\u00ea, n\u01a1i t\u1eebng bi\u1ebfn s\u1ed1 b\u1ea1n ki\u1ec3m so\u00e1t ho\u1eb7c s\u1ebd m\u1edf kh\u00f3a tr\u1ecdn v\u1eb9n h\u01b0\u01a1ng v\u1ecb ho\u1eb7c s\u1ebd ph\u00e1 h\u1ee7y n\u00f3 ho\u00e0n to\u00e0n. K\u00edch th\u01b0\u1edbc xay, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc, th\u1eddi gian pha v\u00e0 t\u1ef7 l\u1ec7 n\u01b0\u1edbc-c\u00e0 ph\u00ea kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng s\u1edf th\u00edch ng\u1eabu h\u1ee9ng. Ch\u00fang l\u00e0 nh\u1eefng chi\u1ebfc \u0111\u00f2n b\u1ea9y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u1ea1t sai nh\u1eefng chi\u1ebfc \u0111\u00f2n b\u1ea9y \u0111\u00f3, b\u1ea1n s\u1ebd nh\u1eadn v\u1ec1 s\u1ef1 chua g\u1eaft c\u1ee7a chi\u1ebft xu\u1ea5t ch\u01b0a t\u1edbi (under-extraction) ho\u1eb7c s\u1ef1 \u0111\u1eafng \u0111\u00f3t, kh\u00f4 ch\u00e1t c\u1ee7a chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 (over-extraction). G\u1ea1t \u0111\u00fang, b\u1ea1n s\u1ebd ch\u1ea1m t\u1edbi d\u1ea3i hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t v\u00e0ng 18\u201322% m\u00e0 Hi\u1ec7p h\u1ed9i C\u00e0 ph\u00ea \u0110\u1eb7c s\u1ea3n (SCA) \u0111\u00e3 d\u00e0y c\u00f4ng v\u1ea1ch ra. C\u1ea9m nang n\u00e0y trao cho b\u1ea1n m\u1ed9t khung ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ch\u1ea5m d\u1ee9t c\u1ea3nh \u0111o\u00e1n m\u00f2 v\u00e0 b\u1eaft \u0111\u1ea7u hi\u1ec7u ch\u1ec9nh m\u1ed9t c\u00e1ch khoa h\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea3n Ch\u1ea5t Th\u1ef1c S\u1ef1 C\u1ee7a Chi\u1ebft Xu\u1ea5t C\u00e0 Ph\u00ea L\u00e0 G\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chi\u1ebft xu\u1ea5t c\u00e0 ph\u00ea l\u00e0 qu\u00e1 tr\u00ecnh n\u01b0\u1edbc h\u00f2a tan c\u00e1c h\u1ee3p ch\u1ea5t c\u00f3 th\u1ec3 h\u00f2a tan: c\u00e1c axit h\u1eefu c\u01a1, \u0111\u01b0\u1eddng t\u1ef1 nhi\u00ean, ch\u1ea5t b\u00e9o v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t th\u01a1m ra kh\u1ecfi b\u1ed9t c\u00e0 ph\u00ea v\u00e0 \u0111\u01b0a v\u00e0o t\u00e1ch c\u1ee7a b\u1ea1n. M\u1ecdi t\u1ea7ng h\u01b0\u01a1ng v\u1ecb b\u1ea1n t\u1eebng n\u1ebfm trong m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea pha, d\u00f9 ngon hay t\u1ec7, \u0111\u1ec1u b\u1eaft ngu\u1ed3n t\u1eeb ch\u00ednh quy tr\u00ecnh duy nh\u1ea5t n\u00e0y. Hi\u1ec3u r\u00f5 n\u00f3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c \u0111o\u00e1n m\u00f2 cho l\u1ea7n th\u1eed ti\u1ebfp theo v\u00e0 vi\u1ec7c bi\u1ebft ch\u1eafc ch\u1eafn m\u00ecnh c\u1ea7n ph\u1ea3i thay \u0111\u1ed5i \u0111i\u1ec1u g\u00ec.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec th\u1ef1c s\u1ef1 di\u1ec5n ra b\u00ean trong t\u1eebng h\u1ea1t b\u1ed9t c\u00e0 ph\u00ea. H\u1ea1t c\u00e0 ph\u00ea ch\u1ee9a h\u00e0ng tr\u0103m h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc, v\u00e0 ch\u00fang kh\u00f4ng h\u00f2a tan v\u1edbi t\u1ed1c \u0111\u1ed9 gi\u1ed1ng nhau. C\u00e1c axit h\u1eefu c\u01a1 thanh m\u00e1t v\u00e0 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng ng\u1ecdt ng\u00e0o s\u1ebd tho\u00e1t ra tr\u01b0\u1edbc: ch\u00fang c\u00f3 \u0111\u1ed9 h\u00f2a tan r\u1ea5t cao v\u00e0 h\u00f2a v\u00e0o n\u01b0\u1edbc r\u1ea5t nhanh. C\u00e1c h\u1ee3p ch\u1ea5t n\u1eb7ng h\u01a1n v\u00e0 s\u00e2u h\u01a1n nh\u01b0 tannin \u0111\u1eafng ch\u00e1t v\u00e0 m\u1ed9t s\u1ed1 axit chlorogenic nh\u1ea5t \u0111\u1ecbnh c\u1ea7n nhi\u1ec1u th\u1eddi gian h\u01a1n m\u1edbi tho\u00e1t ra. V\u00ec v\u1eady, m\u1ed7i l\u1ea7n pha c\u00e0 ph\u00ea th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t cu\u1ed9c \u0111ua v\u1edbi th\u1eddi gian: b\u1ea1n mu\u1ed1n k\u00e9o \u0111\u1ee7 c\u00e1c ch\u1ea5t t\u01b0\u01a1i s\u00e1ng, ng\u1ecdt ng\u00e0o m\u00e0 kh\u00f4ng l\u1ea5n qu\u00e1 s\u00e2u v\u00e0o v\u00f9ng \u0111\u1eafng ch\u00e1t ch\u1eadm tan ph\u00eda sau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y h\u00ecnh dung n\u00f3 gi\u1ed1ng nh\u01b0 vi\u1ec7c b\u1ea1n nh\u00fang m\u1ed9t t\u00fai tr\u00e0. R\u00fat t\u00fai tr\u00e0 ra \u1edf gi\u00e2y th\u1ee9 30, b\u1ea1n s\u1ebd nh\u1eadn v\u1ec1 m\u1ed9t t\u00e1ch n\u01b0\u1edbc lo\u00e3ng to\u1eb9t, n\u1ed3ng m\u00f9i c\u1ecf (b\u1ea1n m\u1edbi ch\u1ec9 ch\u1ea1m nh\u1eb9 v\u00e0o b\u1ec1 m\u1eb7t nh\u1eefng ch\u1ea5t ngon). Nh\u01b0ng ng\u00e2m n\u00f3 su\u1ed1t 10 ph\u00fat, n\u01b0\u1edbc tr\u00e0 s\u1ebd bi\u1ebfn th\u00e0nh \u0111\u1eafng ng\u1eaft v\u00e0 ch\u00e1t x\u00f3t h\u1ecdng (b\u1ea1n \u0111\u00e3 \u0111i qu\u00e1 xa v\u00e0 b\u1eaft \u0111\u1ea7u k\u00e9o nh\u1eefng h\u1ee3p ch\u1ea5t l\u00e0m qu\u00e9o l\u01b0\u1ee1i). C\u00e0 ph\u00ea c\u0169ng v\u1eadn h\u00e0nh ch\u00ednh x\u00e1c theo nguy\u00ean l\u00fd \u0111\u00f3, ch\u1ec9 l\u00e0 c\u00f3 nhi\u1ec1u bi\u1ebfn s\u1ed1 c\u00f9ng tham gia h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f3 l\u00e0 ph\u1ea7n m\u00e0 h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng b\u1ecf l\u1ee1. Chi\u1ebft xu\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t n\u00fam v\u1eb7n \u0111\u01a1n l\u1ebb \u0111\u1ec3 b\u1ea1n t\u0103ng hay gi\u1ea3m t\u00f9y \u00fd. N\u00f3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ed9ng h\u01b0\u1edfng c\u1ee7a 4 y\u1ebfu t\u1ed1 c\u00f9ng ph\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng: b\u1ea1n xay c\u00e0 ph\u00ea m\u1ecbn \u0111\u1ebfn m\u1ee9c n\u00e0o, n\u01b0\u1edbc c\u1ee7a b\u1ea1n n\u00f3ng bao nhi\u00eau, n\u01b0\u1edbc ti\u1ebfp x\u00fac v\u1edbi b\u1ed9t trong bao l\u00e2u, v\u00e0 b\u1ea1n d\u00f9ng bao nhi\u00eau c\u00e0 ph\u00ea so v\u1edbi l\u01b0\u1ee3ng n\u01b0\u1edbc. Thay \u0111\u1ed5i b\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o trong s\u1ed1 \u0111\u00f3, b\u1ea1n s\u1ebd l\u00e0m d\u1ecbch chuy\u1ec3n c\u00e1c h\u1ee3p ch\u1ea5t xu\u1ea5t hi\u1ec7n trong t\u00e1ch v\u00e0 l\u00e0m thay \u0111\u1ed5i t\u1ef7 l\u1ec7 c\u1ee7a t\u1eebng ch\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/05\/coffee-extraction-process-infographic.webp\" alt=\"coffee extraction process infographic\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00e1ch C\u00e0 Ph\u00ea N\u00f3i Cho B\u1ea1n Bi\u1ebft Ch\u00ednh X\u00e1c \u0110\u00e3 X\u1ea3y Ra L\u1ed7i G\u00ec<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chi\u1ebft xu\u1ea5t thi\u1ebfu (under-extraction) v\u00e0 chi\u1ebft xu\u1ea5t th\u1eeba (over-extraction) \u0111\u1ec1u \u0111\u1ec3 l\u1ea1i nh\u1eefng d\u1ea5u v\u00e2n tay kh\u00f4ng th\u1ec3 nh\u1ea7m l\u1eabn tr\u00ean v\u00f2m h\u1ecdng c\u1ee7a b\u1ea1n: chua lo\u00e9t v\u00e0 lo\u00e3ng to\u1eb9t \u1edf m\u1ed9t \u0111\u1ea7u, \u0111\u1eafng ch\u00e1t v\u00e0 kh\u00f4 kh\u1ed1c \u1edf \u0111\u1ea7u c\u00f2n l\u1ea1i. M\u1ed9t khi b\u1ea1n hi\u1ec3u r\u00f5 t\u1eebng t\u00edn hi\u1ec7u \u0111\u00f3 mang \u00fd ngh\u0129a g\u00ec, vi\u1ec7c th\u01b0\u1edfng th\u1ee9c c\u00e0 ph\u00ea s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t cu\u1ed9c \u0111\u1ed1i tho\u1ea1i ch\u1ea9n \u0111o\u00e1n khoa h\u1ecdc trong t\u1eebng ng\u1ee5m u\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00eca kh\u00f3a then ch\u1ed1t l\u00e0 ph\u1ea3i hi\u1ec3u <em>v\u00ec sao<\/em> c\u00e1c h\u01b0\u01a1ng v\u1ecb \u0111\u00f3 l\u1ea1i xu\u1ea5t hi\u1ec7n theo \u0111\u00fang tr\u00ecnh t\u1ef1 nh\u01b0 v\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/perfectdailygrind.com\/2018\/11\/understanding-coffee-extraction-for-your-perfect-cup\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>C\u00e2y b\u00fat chuy\u00ean v\u1ec1 c\u00e0 ph\u00ea Hazel Boydell<\/strong><\/u><\/a> c\u1ee7a t\u1ea1p ch\u00ed <em>Perfect Daily Grind<\/em> \u0111\u00e3 gi\u1ea3i th\u00edch c\u01a1 ch\u1ebf n\u00e0y m\u1ed9t c\u00e1ch tr\u1ef1c di\u1ec7n:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;C\u00e1c h\u1ee3p ch\u1ea5t trong c\u00e0 ph\u00ea kh\u00f4ng \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t v\u1edbi c\u00f9ng m\u1ed9t t\u1ed1c \u0111\u1ed9. H\u01b0\u01a1ng tr\u00e1i c\u00e2y v\u00e0 c\u00e1c n\u1ed1t v\u1ecb axit \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t \u0111\u1ea7u ti\u00ean, ti\u1ebfp theo l\u00e0 v\u1ecb ng\u1ecdt v\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng, v\u00e0 cu\u1ed1i c\u00f9ng m\u1edbi \u0111\u1ebfn v\u1ecb \u0111\u1eafng.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ecnh t\u1ef1 \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh t\u1ea5t c\u1ea3. T\u00e1ch c\u00e0 ph\u00ea c\u1ee7a b\u1ea1n v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t m\u1ed1c ghi nh\u1eadn th\u1eddi gian (b\u1ea3n ghi ch\u00e9p l\u1ea1i xem d\u00f2ng n\u01b0\u1edbc \u0111\u00e3 th\u1ef1c s\u1ef1 \u0111i \u0111\u01b0\u1ee3c bao xa tr\u00ean b\u1eadc thang c\u00e1c h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u01b0\u01a1ng V\u1ecb C\u1ee7a C\u00e0 Ph\u00ea Chi\u1ebft Xu\u1ea5t Ch\u01b0a T\u1edbi (Under-Extraction)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e0 ph\u00ea b\u1ecb chi\u1ebft xu\u1ea5t thi\u1ebfu c\u00f3 v\u1ecb chua g\u1eaft, \u0111\u00f4i khi c\u00f3 ch\u00fat l\u1ee3 m\u1eb7n, v\u00e0 c\u1ea3m gi\u00e1c trong mi\u1ec7ng m\u1ecfng d\u00ednh, nh\u1ea1t nh\u1ebdo. H\u1eadu v\u1ecb bi\u1ebfn m\u1ea5t r\u1ea5t nhanh, t\u1ef1a nh\u01b0 n\u00f3 ch\u01b0a t\u1eebng th\u1ef1c s\u1ef1 t\u1ed3n t\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng g\u00ec b\u1ea1n \u0111ang n\u1ebfm l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t d\u1edf dang: d\u00f2ng n\u01b0\u1edbc m\u1edbi ch\u1ec9 h\u00f2a tan c\u00e1c axit chuy\u1ec3n \u0111\u1ed9ng nhanh tr\u01b0\u1edbc khi k\u1ecbp ch\u1ea1m t\u1edbi l\u01b0\u1ee3ng \u0111\u01b0\u1eddng v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t t\u1ea1o s\u1ef1 c\u00e2n b\u1eb1ng n\u1eb1m s\u00e2u h\u01a1n trong b\u1ed9t c\u00e0 ph\u00ea. Nh\u1eefng axit \u0111\u1ea7u ti\u00ean \u0111\u00f3 kh\u00f4ng c\u00f3 ch\u1ea5t g\u00ec \u0111\u1ec3 \u0111\u1ed1i tr\u1ecdng, v\u00ec th\u1ebf ch\u00fang th\u1ed1ng tr\u1ecb to\u00e0n b\u1ed9 v\u1ecb gi\u00e1c. V\u1ecb chua g\u1eaft n\u00e0y kh\u00f4ng ph\u1ea3i d\u1ea5u hi\u1ec7u c\u1ee7a h\u1ea1t c\u00e0 ph\u00ea d\u1edf. \u0110\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y quy tr\u00ecnh \u0111\u00e3 b\u1ecb d\u1eebng l\u1ea1i qu\u00e1 s\u1edbm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u01b0\u01a1ng V\u1ecb C\u1ee7a C\u00e0 Ph\u00ea Chi\u1ebft Xu\u1ea5t Qu\u00e1 \u0110\u00e0 (Over-Extraction)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e0 ph\u00ea b\u1ecb chi\u1ebft xu\u1ea5t qu\u00e1 m\u1ee9c l\u1ea1i tr\u00f4i v\u1ec1 th\u00e1i c\u1ef1c \u0111\u1ed1i l\u1eadp: \u0111\u1eafng ng\u1eaft, kh\u00f4 kh\u1ed1c v\u00e0 r\u1ed7ng tu\u1ebfch. N\u00f3 th\u01b0\u1eddng \u0111i k\u00e8m c\u1ea3m gi\u00e1c se ch\u00e1t (v\u1ecb kh\u00f4 r\u00e1p, nh\u01b0 ph\u1ea5n b\u00e1m v\u00e0o ni\u00eam m\u1ea1c mi\u1ec7ng v\u00e0 \u0111\u1ecdng l\u1ea1i r\u1ea5t l\u00e2u sau khi b\u1ea1n \u0111\u00e3 nu\u1ed1t xong ng\u1ee5m c\u00e0 ph\u00ea).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede \u0111\u00e2y, n\u01b0\u1edbc v\u1eabn ti\u1ebfp t\u1ee5c k\u00e9o h\u1ee3p ch\u1ea5t ra sau khi to\u00e0n b\u1ed9 nh\u1eefng g\u00ec th\u01a1m ngon nh\u1ea5t \u0111\u00e3 c\u1ea1n ki\u1ec7t. Ch\u1ea5t tannin v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t th\u00f4 r\u00e1p l\u1ebd ra n\u00ean n\u1eb1m y\u00ean trong b\u00e3 c\u00e0 ph\u00ea th\u00ec nay l\u1ea1i b\u1ecb h\u00f2a tan h\u1ebft v\u00e0o t\u00e1ch. M\u1ed9t l\u01b0\u1ee3ng v\u1ecb \u0111\u1eafng nh\u1ecf l\u00e0 b\u00ecnh th\u01b0\u1eddng v\u00e0 th\u1eadm ch\u00ed r\u1ea5t d\u1ec5 ch\u1ecbu (\u0111\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n l\u00e0m n\u00ean s\u1ef1 ph\u1ee9c h\u1ee3p c\u1ee7a c\u00e0 ph\u00ea). Nh\u01b0ng khi v\u1ecb \u0111\u1eafng tr\u1edf th\u00e0nh n\u1ed1t h\u01b0\u01a1ng to nh\u1ea5t trong t\u00e1ch v\u00e0 \u0111i k\u00e8m v\u1edbi c\u1ea3m gi\u00e1c kh\u00f4 r\u00e1p se h\u1ecdng, chi\u1ebft xu\u1ea5t \u0111\u00e3 b\u1ecb \u0111\u1ea9y \u0111i qu\u00e1 xa.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u01b0\u01a1ng V\u1ecb C\u1ee7a Chi\u1ebft Xu\u1ea5t C\u00e2n B\u1eb1ng (Balanced)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ebb chi\u1ebft xu\u1ea5t c\u00e2n b\u1eb1ng d\u1eebng l\u1ea1i ho\u00e0n h\u1ea3o \u1edf qu\u00e3ng gi\u1eefa c\u1ee7a chu\u1ed7i h\u1ee3p ch\u1ea5t \u0111\u00f3: v\u01b0\u1ee3t qua c\u00e1c axit s\u1eafc b\u00e9n, \u0111i tr\u1ecdn qua v\u00f9ng \u0111\u01b0\u1eddng ng\u1ecdt ng\u00e0o, v\u00e0 d\u1eebng l\u1ea1i ngay tr\u01b0\u1edbc khi c\u00e1c ch\u1ea5t tannin th\u00f4 r\u00e1p k\u1ecbp x\u00e2m l\u1ea5n. K\u1ebft qu\u1ea3 mang l\u1ea1i l\u00e0 v\u1ecb ng\u1ecdt ng\u00e0o r\u00f5 r\u1ec7t \u1edf ti\u1ec1n v\u1ecb, m\u1ed9t th\u00e2n v\u1ecb (body) \u0111\u1ea7y \u0111\u1eb7n ng\u1eadp tr\u00e0n khoang mi\u1ec7ng, v\u00e0 \u0111\u1ed9 chua thanh tao mang l\u1ea1i c\u1ea3m gi\u00e1c nh\u01b0 c\u1eafn v\u00e0o m\u1ed9t qu\u1ea3 m\u1ecdng t\u01b0\u01a1i ch\u1ee9 kh\u00f4ng ph\u1ea3i n\u1ebfm gi\u1ea5m chua. H\u1eadu v\u1ecb l\u01b0u luy\u1ebfn d\u00e0i l\u00e2u m\u00e0 kh\u00f4ng h\u1ec1 \u0111\u1eafng ch\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 chua thanh d\u1ec5 ch\u1ecbu \u0111\u00f3 r\u1ea5t \u0111\u00e1ng \u0111\u1ec3 ch\u00fang ta d\u1eebng l\u1ea1i chi\u00eam nghi\u1ec7m. B\u1ea3n th\u00e2n \u0111\u1ed9 chua kh\u00f4ng ph\u1ea3i l\u00e0 k\u1ebb th\u00f9: ch\u00ednh <em>lo\u1ea1i<\/em> \u0111\u1ed9 chua m\u1edbi cho b\u1ea1n bi\u1ebft b\u1ea1n \u0111ang \u0111\u1ee9ng \u1edf \u0111\u00e2u. Chua g\u1eaft qu\u00e9o m\u1eb7t ngh\u0129a l\u00e0 chi\u1ebft xu\u1ea5t ch\u01b0a t\u1edbi. Chua thanh s\u00e1ng r\u1ef1c r\u1ee1 h\u01b0\u01a1ng tr\u00e1i c\u00e2y ngh\u0129a l\u00e0 b\u1ea1n \u0111\u00e3 ch\u1ea1m v\u00e0o d\u1ea3i v\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u00e0i T\u1eadp Hi\u1ec7u Chu\u1ea9n Ba T\u00e1ch C\u00e0 Ph\u00ea<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 hu\u1ea5n luy\u1ec7n v\u00f2m h\u1ecdng c\u1ee7a b\u1ea1n l\u00e0 t\u1ea1o ra s\u1ef1 t\u01b0\u01a1ng ph\u1ea3n c\u00f3 ch\u1ee7 \u0111\u00edch. H\u00e3y pha 3 t\u00e1ch c\u00e0 ph\u00ea li\u00ean ti\u1ebfp nhau, ch\u1ec9 thay \u0111\u1ed5i duy nh\u1ea5t m\u1ed9t bi\u1ebfn s\u1ed1 \u0111\u1ec3 l\u00e0m d\u1ecbch chuy\u1ec3n m\u1ee9c \u0111\u1ed9 chi\u1ebft xu\u1ea5t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00e1ch chi\u1ebft xu\u1ea5t thi\u1ebfu (Under-extracted):<\/strong> S\u1eed d\u1ee5ng c\u1ee1 xay th\u00f4 h\u01a1n b\u00ecnh th\u01b0\u1eddng, ho\u1eb7c r\u00fat ng\u1eafn th\u1eddi gian pha. N\u1ebfm th\u1eed. H\u00e3y ghi nh\u1edb c\u1ea3m gi\u00e1c chua g\u1eaft, m\u1ecfng d\u00ednh v\u00e0 h\u1eadu v\u1ecb h\u1ee5t h\u1eabng tr\u00f4i tu\u1ed9t \u0111\u00f3.<\/li>\n\n\n\n<li><strong>T\u00e1ch chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 (Over-extracted):<\/strong> S\u1eed d\u1ee5ng c\u1ee1 xay m\u1ecbn h\u01a1n nhi\u1ec1u, ho\u1eb7c \u0111\u1ec3 th\u1eddi gian ch\u1ea3y k\u00e9o d\u00e0i h\u01a1n. N\u1ebfm th\u1eed. H\u00e3y c\u1ea3m nh\u1eadn v\u1ecb \u0111\u1eafng g\u1eaft, \u0111\u1ed9 kh\u00f4 r\u00e1t v\u00e0 l\u1edbp m\u00e0ng se ch\u00e1t b\u00e1m ch\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t l\u01b0\u1ee1i.<\/li>\n\n\n\n<li><strong>T\u00e1ch c\u00e2n b\u1eb1ng (Balanced):<\/strong> Pha theo \u0111\u00fang th\u00f4ng s\u1ed1 m\u1ee5c ti\u00eau th\u00f4ng th\u01b0\u1eddng c\u1ee7a b\u1ea1n. \u0110\u1eb7t n\u00f3 c\u1ea1nh hai t\u00e1ch c\u1ef1c \u0111oan kia v\u00e0 so s\u00e1nh.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ee5c ti\u00eau \u1edf hai t\u00e1ch \u0111\u1ea7u kh\u00f4ng ph\u1ea3i l\u00e0 pha ra c\u00e0 ph\u00ea ngon. B\u1ea1n \u0111ang x\u00e2y d\u1ef1ng c\u00e1c \u0111i\u1ec3m m\u1ed1c tham chi\u1ebfu \u2014 nh\u1eefng chi\u1ebfc m\u1ecf neo c\u1ea3m quan m\u00e0 n\u00e3o b\u1ed9 b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng nh\u1eadn di\u1ec7n v\u00e0o l\u1ea7n t\u1edbi khi m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea c\u00f3 v\u1ecb b\u1ea5t th\u01b0\u1eddng. Sau b\u00e0i t\u1eadp n\u00e0y, c\u00e2u n\u00f3i &#8220;t\u00e1ch n\u00e0y h\u01a1i chua&#8221; s\u1ebd kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t l\u1eddi ph\u00e0n n\u00e0n vu v\u01a1 n\u1eefa, m\u00e0 tr\u1edf th\u00e0nh m\u1ed9t t\u00edn hi\u1ec7u ch\u1ec9 d\u1eabn h\u00e0nh \u0111\u1ed9ng r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/05\/coffee-extraction-guide-visual.webp\" alt=\"coffee extraction guide visual\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t khi b\u1ea1n \u0111\u00e3 t\u1ef1 tin \u0111\u1ecdc \u0111\u01b0\u1ee3c nh\u1eefng t\u00edn hi\u1ec7u v\u1ecb gi\u00e1c \u0111\u00f3, c\u00e2u h\u1ecfi ti\u1ebfp theo s\u1ebd l\u00e0: con s\u1ed1 m\u1ee5c ti\u00eau \u0111\u1ecbnh l\u01b0\u1ee3ng n\u00e0o \u0111\u1ecbnh ngh\u0129a s\u1ef1 &#8220;c\u00e2n b\u1eb1ng&#8221;, v\u00e0 l\u00e0m sao b\u1ea1n bi\u1ebft m\u00ecnh \u0111\u00e3 th\u1ef1c s\u1ef1 ch\u1ea1m t\u1edbi n\u00f3?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u1ea3i Hi\u1ec7u Su\u1ea5t Chi\u1ebft Xu\u1ea5t V\u00e0ng 18\u201322%<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t (Extraction Yield &#8211; EY) l\u00e0 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng b\u1ed9t c\u00e0 ph\u00ea kh\u00f4 th\u1ef1c s\u1ef1 h\u00f2a tan v\u00e0o t\u00e1ch c\u1ee7a b\u1ea1n. Pha 20 gam b\u1ed9t c\u00e0 ph\u00ea, v\u00e0 n\u1ebfu c\u00f3 4 gam h\u00f2a tan v\u00e0o ch\u1ea5t l\u1ecfng, b\u1ea1n \u0111\u00e3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t 20%. Con s\u1ed1 duy nh\u1ea5t \u0111\u00f3 ch\u00ednh l\u00e0 th\u1ee9 ph\u00e2n \u0111\u1ecbnh gi\u1eefa c\u1ea3m nh\u1eadn m\u01a1 h\u1ed3 &#8220;t\u00f4i th\u1ea5y v\u1ecb n\u00e0y c\u00f3 v\u1ebb t\u1ea1m \u0111\u01b0\u1ee3c&#8221; v\u00e0 m\u1ed9t m\u1ee5c ti\u00eau khoa h\u1ecdc c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i chu\u1ea9n x\u00e1c trong m\u1ed7i l\u1ea7n pha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao kh\u00e1i ni\u1ec7m n\u00e0y l\u1ea1i quan tr\u1ecdng. \u0110a s\u1ed1 c\u00e1c b\u00e0i h\u01b0\u1edbng d\u1eabn v\u1ee1 l\u00f2ng \u0111\u1ec1u n\u00e9 tr\u00e1nh ho\u00e0n to\u00e0n kh\u00e1i ni\u1ec7m n\u00e0y. H\u1ecd \u0111\u01b0a cho b\u1ea1n c\u00e1c g\u1ee3i \u00fd c\u1ea3m quan (&#8220;c\u1ee9 ch\u1ec9nh \u0111\u1ebfn khi th\u1ea5y ngon&#8221;) m\u00e0 kh\u00f4ng bao gi\u1edd cho b\u1ea1n m\u1ed9t th\u01b0\u1edbc \u0111o quy chu\u1ea9n chung. K\u1ebft qu\u1ea3 l\u00e0 hai ng\u01b0\u1eddi d\u00f9ng c\u00f9ng lo\u1ea1i h\u1ea1t, c\u00f9ng thi\u1ebft b\u1ecb, c\u00f9ng c\u00f4ng th\u1ee9c l\u1ea1i pha ra hai t\u00e1ch c\u00e0 ph\u00ea ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t m\u00e0 ch\u1eb3ng hi\u1ec3u nguy\u00ean nh\u00e2n t\u1eeb \u0111\u00e2u. Kh\u00f4ng c\u00f3 m\u1ed9t chi\u1ebfc m\u1ecf neo \u0111\u1ecbnh l\u01b0\u1ee3ng, b\u1ea1n kh\u00f4ng ph\u1ea3i \u0111ang hi\u1ec7u chu\u1ea9n. B\u1ea1n ch\u1ec9 \u0111ang \u0111i l\u1ea1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/sca.coffee\/education\/brewing-control-chart\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Hi\u1ec7p H\u1ed9i C\u00e0 Ph\u00ea \u0110\u1eb7c S\u1ea3n (SCA)<\/strong><\/u><\/a> x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m ng\u1ecdt ng\u00e0o l\u00fd t\u01b0\u1edfng n\u1eb1m \u1edf m\u1ee9c <strong>18\u201322%<\/strong> kh\u1ed1i l\u01b0\u1ee3ng b\u1ed9t c\u00e0 ph\u00ea kh\u00f4 h\u00f2a tan v\u00e0o t\u00e1ch. D\u1ea3i gi\u00e1 tr\u1ecb \u0111\u00f3 ho\u00e0n to\u00e0n kh\u00f4ng ph\u1ea3i con s\u1ed1 ng\u1eabu nhi\u00ean. D\u01b0\u1edbi 18%, b\u1ea1n \u0111\u00e3 chi\u1ebft xu\u1ea5t thi\u1ebfu (n\u01b0\u1edbc ch\u1ea3y qu\u00e1 nhanh ho\u1eb7c kh\u00f4ng \u0111\u1ee7 th\u1eddi gian ti\u1ebfp x\u00fac \u0111\u1ec3 k\u00e9o \u0111\u01b0\u1eddng v\u00e0 th\u00e2n v\u1ecb ra kh\u1ecfi b\u1ed9t). Nh\u1eefng g\u00ec b\u1ecb b\u1ecf l\u1ea1i l\u00e0 v\u1ecb ng\u1ecdt. Nh\u1eefng g\u00ec r\u01a1i v\u00e0o t\u00e1ch c\u1ee7a b\u1ea1n ch\u1ec9 l\u00e0 \u0111\u1ed9 chua g\u1eaft m\u1ecfng m\u1ea3nh. Tr\u00ean 22%, b\u1ea1n \u0111\u00e3 \u0111i qu\u00e1 gi\u1edbi h\u1ea1n. C\u00e1c h\u1ee3p ch\u1ea5t th\u01a1m ngon \u0111\u00e3 ra h\u1ebft t\u1eeb s\u1edbm; gi\u1edd \u0111\u00e2y b\u1ea1n b\u1eaft \u0111\u1ea7u k\u00e9o c\u1ea3 nh\u1eefng ch\u1ea5t \u0111\u1eafng cay v\u00e0 ch\u00e1t ch\u00faa ch\u00f4n s\u00e2u trong c\u1ea5u tr\u00fac t\u1ebf b\u00e0o h\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khung 18\u201322% n\u00e0y c\u0169ng ch\u00ednh l\u00e0 m\u1eaft x\u00edch k\u1ebft n\u1ed1i c\u00e1c t\u00edn hi\u1ec7u v\u1ecb gi\u00e1c \u1edf ph\u1ea7n tr\u01b0\u1edbc v\u1edbi m\u1ed9t c\u01a1 ch\u1ebf v\u1eadt l\u00fd c\u1ee5 th\u1ec3. Khi c\u00e0 ph\u00ea c\u1ee7a b\u1ea1n c\u00f3 v\u1ecb chua g\u1eaft, chi\u1ebfc l\u01b0\u1ee1i c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 \u0111\u01b0a ra m\u1ed9t nh\u1eadn x\u00e9t ch\u1ee7 quan: n\u00f3 \u0111ang b\u00e1o cho b\u1ea1n bi\u1ebft hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t \u0111ang n\u1eb1m \u0111\u00e2u \u0111\u00f3 ph\u00eda d\u01b0\u1edbi m\u1ed1c 18%. M\u00f4 h\u00ecnh t\u01b0 duy l\u00fac n\u00e0y chuy\u1ec3n t\u1eeb &#8220;c\u00f3 g\u00ec \u0111\u00f3 sai sai&#8221; sang &#8220;m\u00ecnh c\u1ea7n \u0111\u1ea9y hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t l\u00ean cao h\u01a1n v\u1ec1 ph\u00eda m\u1ed1c trung t\u00e2m 20%.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/sprudge.com\/scott-rao-is-one-of-the-worlds-most-influential-coffee-thinkers-and-heres-why-74673.html\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Chuy\u00ean gia t\u01b0 v\u1ea5n c\u00e0 ph\u00ea Scott Rao<\/strong><\/u><\/a>, t\u00e1c gi\u1ea3 cu\u1ed1n <em>The Professional Barista&#8217;s Handbook<\/em> v\u00e0 <em>Espresso Extraction: Measurement and Mastery<\/em>, \u0111\u00e3 t\u00f3m l\u01b0\u1ee3c ch\u00ednh x\u00e1c l\u00fd do v\u00ec sao chi\u1ebfc th\u01b0\u1edbc \u0111o n\u00e0y l\u1ea1i h\u1eefu \u00edch h\u01a1n c\u1ea3m v\u1ecb thu\u1ea7n t\u00fay:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;M\u1ed9t m\u1ebb pha c\u00f3 th\u1ec3 n\u1ebfm th\u1ea5y ngon \u1edf hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t 17%, n\u1ebfm th\u1ea5y ph\u1eb3ng l\u1eb7ng ho\u1eb7c nh\u1ea1t nh\u1ebdo \u1edf 19%, nh\u01b0ng l\u1ea1i b\u00f9ng n\u1ed5 h\u01b0\u01a1ng v\u1ecb \u0111\u1ec9nh cao \u1edf 21%: v\u1ec1 c\u01a1 b\u1ea3n, vi\u1ec7c k\u1ebft h\u1ee3p thang \u0111o chi\u1ebft xu\u1ea5t song h\u00e0nh c\u00f9ng k\u1ef9 n\u0103ng n\u1ebfm c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra m\u1ed9t t\u1ea5m b\u1ea3n \u0111\u1ed3 ho\u00e0n ch\u1ec9nh v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng h\u01b0\u01a1ng v\u1ecb v\u00e0 chi\u1ebft xu\u1ea5t.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f3 ch\u00ednh l\u00e0 insight c\u1ed1t l\u00f5i. V\u1ecb gi\u00e1c cho b\u1ea1n bi\u1ebft ph\u01b0\u01a1ng h\u01b0\u1edbng. Hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t cho b\u1ea1n bi\u1ebft v\u1ecb tr\u00ed t\u1ecda \u0111\u1ed9. B\u1ea1n b\u1eaft bu\u1ed9c c\u1ea7n c\u1ea3 hai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1edd th\u00ec, b\u1ea1n kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i s\u1edf h\u1eefu m\u1ed9t kh\u00fac x\u1ea1 k\u1ebf \u0111\u1ec3 \u00e1p d\u1ee5ng \u0111i\u1ec1u n\u00e0y. Kh\u00fac x\u1ea1 k\u1ebf \u0111o t\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan (TDS) trong t\u00e1ch v\u00e0 c\u00f3 th\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t, nh\u01b0ng \u0111\u00f3 l\u00e0 c\u00f4ng c\u1ee5 chuy\u00ean nghi\u1ec7p cho ph\u00f2ng lab ho\u1eb7c qu\u00e1n bar, kh\u00f4ng ph\u1ea3i m\u00f3n \u0111\u1ed3 b\u1eaft bu\u1ed9c trong c\u0103n b\u1ebfp gia \u0111\u00ecnh. \u0110i\u1ec1u b\u1ea1n th\u1ef1c s\u1ef1 c\u1ea7n l\u00e0 m\u00f4 h\u00ecnh t\u01b0 duy: m\u1ecdi s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh b\u1ea1n th\u1ef1c hi\u1ec7n v\u1edbi c\u1ee1 xay, nhi\u1ec7t \u0111\u1ed9, th\u1eddi gian pha \u0111\u1ec1u \u0111ang \u0111\u1ea9y t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m chi\u1ebft xu\u1ea5t \u0111\u00f3 l\u00ean ho\u1eb7c xu\u1ed1ng tr\u00ean c\u00f9ng m\u1ed9t thang \u0111o. M\u1ed9t khi \u0111\u00e3 hi\u1ec3u th\u1ea5u \u0111i\u1ec1u \u0111\u00f3, b\u1ea1n s\u1ebd ch\u1ea5m d\u1ee9t vi\u1ec7c \u0111o\u00e1n m\u00f2 v\u00e0 b\u1eaft \u0111\u1ea7u c\u1ea7m l\u00e1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ed1n Chi\u1ebfc \u0110\u00f2n B\u1ea9y Ki\u1ec3m So\u00e1t Qu\u00e1 Tr\u00ecnh Chi\u1ebft Xu\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ecdi k\u1ebft qu\u1ea3 chi\u1ebft xu\u1ea5t \u0111\u1ec1u truy nguy\u00ean v\u1ec1 4 bi\u1ebfn s\u1ed1: k\u00edch th\u01b0\u1edbc xay, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc, th\u1eddi gian pha v\u00e0 t\u1ef7 l\u1ec7 c\u00e0 ph\u00ea-n\u01b0\u1edbc. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh b\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o c\u0169ng s\u1ebd l\u00e0m d\u1ecbch chuy\u1ec3n s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a nh\u1eefng g\u00ec \u0111i v\u00e0o t\u00e1ch c\u1ee7a b\u1ea1n. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng c\u00e0i \u0111\u1eb7t b\u1ea1n tinh ch\u1ec9nh ng\u1eabu nhi\u00ean. Ch\u00fang l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng li\u00ean ho\u00e0n v\u00e0 lu\u00f4n giao ti\u1ebfp ch\u1eb7t ch\u1ebd v\u1edbi nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>K\u00edch th\u01b0\u1edbc xay (Grind size)<\/strong> ki\u1ec3m so\u00e1t di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a b\u1ed9t c\u00e0 ph\u00ea v\u1edbi n\u01b0\u1edbc. Xay m\u1ecbn h\u01a1n, b\u1ea1n t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec3m ti\u1ebfp x\u00fac h\u01a1n: n\u01b0\u1edbc ti\u1ebfp c\u1eadn s\u00e2u h\u01a1n v\u00e0o b\u00ean trong c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 k\u00e9o c\u00e1c h\u1ee3p ch\u1ea5t ra nhanh h\u01a1n. Xay th\u00f4 h\u01a1n, b\u1ea1n gi\u1ea3m di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t \u0111\u00f3, do \u0111\u00f3 qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t di\u1ec5n ra ch\u1eadm l\u1ea1i. \u0110\u00f3 l\u00e0 l\u00fd do v\u00ec sao c\u1ee1 xay th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 bi\u1ebfn s\u1ed1 t\u1ed5ng ch\u1ec9 huy: n\u00f3 thi\u1ebft l\u1eadp t\u1ed1c \u0111\u1ed9 nh\u1ecbp \u0111i\u1ec7u cho to\u00e0n b\u1ed9 m\u1ecdi th\u1ee9 kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc<\/strong> quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 n\u0103ng \u0111\u1ed9ng m\u00e0 n\u01b0\u1edbc h\u00f2a tan c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00f3. N\u01b0\u1edbc c\u00e0ng n\u00f3ng th\u00ec kh\u1ea3 n\u0103ng h\u00f2a tan c\u00e0ng cao, \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c n\u00f3 k\u00e9o \u0111\u01b0\u1ee3c nhi\u1ec1u v\u1eadt ch\u1ea5t ra kh\u1ecfi b\u1ed9t h\u01a1n trong th\u1eddi gian ng\u1eafn h\u01a1n. N\u01b0\u1edbc ngu\u1ed9i h\u01a1n s\u1ebd h\u00f2a tan ch\u1eadm h\u01a1n v\u00e0 c\u00f3 t\u00ednh ch\u1ecdn l\u1ecdc cao h\u01a1n: n\u00f3 c\u00f3 xu h\u01b0\u1edbng \u01b0u ti\u00ean m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t nh\u1ea5t \u0111\u1ecbnh h\u01a1n c\u00e1c ch\u1ea5t kh\u00e1c. \u0110\u1ed1i v\u1edbi ph\u1ea7n l\u1edbn ph\u01b0\u01a1ng ph\u00e1p pha n\u00f3ng, d\u1ea3i nhi\u1ec7t xu\u1ea5t ph\u00e1t ti\u00eau chu\u1ea9n l\u00e0 90\u201396\u00b0C. Kho\u1ea3ng nhi\u1ec7t n\u00e0y kh\u00f4ng h\u1ec1 ng\u1eabu nhi\u00ean; \u0111\u00f3 l\u00e0 n\u01a1i n\u01b0\u1edbc \u0111\u1ee7 n\u00f3ng \u0111\u1ec3 chi\u1ebft xu\u1ea5t tr\u1ecdn v\u1eb9n d\u1ea3i h\u01b0\u01a1ng v\u1ecb mong mu\u1ed1n m\u00e0 kh\u00f4ng l\u00e0m ch\u00e1y x\u00e9m b\u1ed9t c\u00e0 ph\u00ea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u1eddi gian pha (Brew time)<\/strong> \u0111\u01a1n gi\u1ea3n l\u00e0 kho\u1ea3ng th\u1eddi gian m\u00e0 c\u00e1c bi\u1ebfn s\u1ed1 kh\u00e1c v\u1eadn h\u00e0nh. Th\u1eddi gian ti\u1ebfp x\u00fac c\u00e0ng d\u00e0i \u0111\u1ed3ng ngh\u0129a v\u1edbi t\u1ed5ng l\u01b0\u1ee3ng chi\u1ebft xu\u1ea5t c\u00e0ng nhi\u1ec1u. Ti\u1ebfp x\u00fac c\u00e0ng ng\u1eafn th\u00ec l\u01b0\u1ee3ng chi\u1ebft xu\u1ea5t c\u00e0ng \u00edt. H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 chi\u1ebfc \u0111\u1ed3ng h\u1ed3 b\u1ea5m gi\u1edd ch\u1ea1y tr\u00ean n\u1ec1n k\u00edch th\u01b0\u1edbc xay v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00e0 b\u1ea1n \u0111\u00e3 c\u00e0i \u0111\u1eb7t. M\u1ed9t c\u1ee1 xay m\u1ecbn k\u1ebft h\u1ee3p n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao ch\u1ea3y qu\u00e1 l\u00e2u s\u1ebd d\u1eabn \u0111\u1ebfn chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0: b\u1ea1n s\u1ebd n\u1ebfm th\u1ea5y v\u1ecb \u0111\u1eafng ch\u00e1t. C\u0169ng c\u1ee1 xay \u0111\u00f3 n\u1ebfu ng\u1eaft d\u00f2ng qu\u00e1 s\u1edbm s\u1ebd b\u1ecb chi\u1ebft xu\u1ea5t thi\u1ebfu. Th\u1eddi gian l\u00e0 n\u01a1i hi\u1ec7n th\u1ef1c h\u00f3a m\u1ecdi quy\u1ebft \u0111\u1ecbnh t\u1eeb c\u00e1c bi\u1ebfn s\u1ed1 th\u01b0\u1ee3ng ngu\u1ed3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u1ef7 l\u1ec7 c\u00e0 ph\u00ea-n\u01b0\u1edbc (Ratio)<\/strong> ki\u1ec3m so\u00e1t \u0111\u1ed9 \u0111\u1eadm \u0111\u1eb7c: n\u1ed3ng \u0111\u1ed9 c\u00e1c ch\u1ea5t h\u00f2a tan trong t\u00e1ch th\u00e0nh ph\u1ea9m c\u1ee7a b\u1ea1n. \u0110i\u1ec3m kh\u1edfi \u0111\u1ea7u ti\u00eau chu\u1ea9n cho c\u00e0 ph\u00ea drip v\u00e0 pour-over l\u00e0 1:16: m\u1ed9t gam c\u00e0 ph\u00ea cho m\u01b0\u1eddi s\u00e1u gam n\u01b0\u1edbc. T\u1ef7 l\u1ec7 n\u00e0y t\u1ea1o ra m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea c\u00e2n b\u1eb1ng, th\u00e2n v\u1ecb v\u1eeba v\u1eb7n m\u00e0 \u0111\u1ea1i \u0111a s\u1ed1 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u th\u1ea5y d\u1ec5 ch\u1ecbu. Espresso l\u1ea1i ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1ed9t t\u1ef7 l\u1ec7 ho\u00e0n to\u00e0n kh\u00e1c, th\u01b0\u1eddng v\u00e0o kho\u1ea3ng 1:2, b\u1edfi v\u00ec ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng \u00e1p su\u1ea5t cao \u0111\u1ea9y n\u01b0\u1edbc xuy\u00ean qua m\u1ed9t b\u00e1nh c\u00e0 ph\u00ea n\u00e9n r\u1ea5t ch\u1eb7t trong v\u00f2ng ch\u01b0a \u0111\u1ea7y 30 gi\u00e2y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ph\u1ee5 thu\u1ed9c l\u1eabn nhau gi\u1eefa c\u00e1c bi\u1ebfn s\u1ed1 l\u00e0 c\u00f3 th\u1eadt v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c nh\u00ecn nh\u1eadn nghi\u00eam t\u00fac. N\u1ebfu b\u1ea1n xay m\u1ecbn h\u01a1n \u0111\u1ec3 c\u1ed1 g\u1eafng l\u1ea5y th\u00eam h\u01b0\u01a1ng v\u1ecb t\u1eeb m\u1ed9t m\u1ebb rang nh\u1ea1t, b\u1ea1n v\u1eeba \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 chi\u1ebft xu\u1ea5t, do \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n r\u00fat ng\u1eafn th\u1eddi gian pha \u0111\u1ec3 b\u00f9 \u0111\u1eafp, n\u1ebfu kh\u00f4ng b\u1ea1n s\u1ebd b\u1eafn tr\u01b0\u1ee3t m\u1ee5c ti\u00eau v\u00e0 b\u1ecb \u0111\u1eafng. G\u1ea1t m\u1ed9t chi\u1ebfc \u0111\u00f2n b\u1ea9y, \u00edt nh\u1ea5t m\u1ed9t chi\u1ebfc \u0111\u00f2n b\u1ea9y kh\u00e1c s\u1ebd ph\u1ea3n \u1ee9ng l\u1ea1i. \u0110\u00f3 kh\u00f4ng ph\u1ea3i s\u1ef1 r\u1eafc r\u1ed1i; \u0111\u00f3 ch\u00ednh l\u00e0 t\u00ednh logic c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 \u0111i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft c\u00e1c h\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n \u0111\u1ec1u b\u1ecf qu\u00ean: b\u1ea3n th\u00e2n n\u01b0\u1edbc ch\u00ednh l\u00e0 bi\u1ebfn s\u1ed1 th\u1ee9 n\u0103m, v\u00e0 l\u00e0 bi\u1ebfn s\u1ed1 m\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng ai t\u00ednh t\u1edbi. N\u01b0\u1edbc kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t dung m\u00f4i th\u1ee5 \u0111\u1ed9ng: n\u00f3 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n t\u00edch c\u1ef1c tham gia v\u00e0o chi\u1ebft xu\u1ea5t. H\u00e0m l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc, c\u1ee5 th\u1ec3 l\u00e0 canxi v\u00e0 magie (\u0111\u1ed9 c\u1ee9ng), c\u00f9ng kh\u1ea3 n\u0103ng \u0111\u1ec7m cacbonat (\u0111\u1ed9 ki\u1ec1m), t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t v\u00e0 c\u00e1ch h\u01b0\u01a1ng v\u1ecb cu\u1ed1i c\u00f9ng b\u1ed9c l\u1ed9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7p h\u1ed9i C\u00e0 ph\u00ea \u0110\u1eb7c s\u1ea3n (SCA) c\u00f4ng b\u1ed1 d\u1ea3i m\u1ee5c ti\u00eau chu\u1ea9n cho n\u01b0\u1edbc pha c\u00e0 ph\u00ea: \u0111\u1ed9 c\u1ee9ng t\u1ed5ng t\u1eeb 50\u2013175 ppm CaCO\u2083 v\u00e0 \u0111\u1ed9 ki\u1ec1m t\u1eeb 40\u201375 ppm. Ngu\u1ed3n n\u01b0\u1edbc n\u1eb1m ngo\u00e0i nh\u1eefng kho\u1ea3ng n\u00e0y s\u1ebd g\u00e2y ra nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc. N\u01b0\u1edbc m\u1ec1m thi\u1ebfu kho\u00e1ng ch\u1ea5t v\u00e0 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ec7m s\u1ebd c\u00f3 xu h\u01b0\u1edbng chi\u1ebft xu\u1ea5t thi\u1ebfu: n\u00f3 thi\u1ebfu \u0111i\u1ec7n t\u00edch ion \u0111\u1ec3 li\u00ean k\u1ebft v\u00e0 k\u00e9o c\u00e1c h\u1ee3p ch\u1ea5t ra m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, khi\u1ebfn t\u00e1ch c\u00e0 ph\u00ea c\u00f3 v\u1ecb m\u1ecfng d\u00ednh ho\u1eb7c chua g\u1eaft. N\u01b0\u1edbc c\u1ee9ng v\u1edbi \u0111\u1ed9 ki\u1ec1m cao s\u1ebd chi\u1ebft xu\u1ea5t qu\u00e1 m\u1ee9c v\u00e0 trung h\u00f2a m\u1ea5t \u0111\u1ed9 chua thanh, l\u00e0m ph\u1eb3ng l\u00ec t\u00e1ch c\u00e0 ph\u00ea d\u00f9 b\u1ea1n c\u00f3 ch\u1ec9nh c\u1ee1 xay v\u00e0 nhi\u1ec7t \u0111\u1ed9 chu\u1ea9n \u0111\u1ebfn \u0111\u00e2u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu c\u00e0 ph\u00ea c\u1ee7a b\u1ea1n li\u00ean t\u1ee5c c\u00f3 v\u1ecb ph\u1eb3ng l\u00ec, \u0111\u1ee5c ch\u00e1t m\u00e0 b\u1ea1n \u0111\u00e3 ch\u1ec9nh h\u1ebft m\u1ecdi bi\u1ebfn s\u1ed1 kh\u00e1c, ngu\u1ed3n n\u01b0\u1edbc r\u1ea5t c\u00f3 th\u1ec3 ch\u00ednh l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea5u tr\u00fac m\u00e0 b\u1ea1n ch\u01b0a \u0111\u1ed9ng t\u1edbi. M\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n l\u00e0 d\u00f9ng n\u01b0\u1edbc l\u1ecdc chuy\u00ean d\u1ee5ng, ho\u1eb7c d\u00f9ng c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 Third Wave Water \u0111\u1ec3 b\u1ed5 sung kho\u00e1ng ch\u1ea5t chu\u1ea9n v\u00e0o n\u01b0\u1edbc c\u1ea5t. \u0110\u00f3 l\u00e0 m\u1ed9t thay \u0111\u1ed5i nh\u1ecf nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c tinh ch\u1ec9nh kh\u00e1c c\u1ee7a b\u1ea1n \u0111\u1ed9t nhi\u00ean ph\u00e1t huy t\u00e1c d\u1ee5ng \u0111\u00fang nh\u01b0 mong \u0111\u1ee3i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00edch Th\u01b0\u1edbc Xay Ki\u1ec3m So\u00e1t T\u1ed1c \u0110\u1ed9 Chi\u1ebft Xu\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00edch th\u01b0\u1edbc xay l\u00e0 bi\u1ebfn s\u1ed1 t\u1ed5ng ch\u1ec9 huy trong chi\u1ebft xu\u1ea5t c\u00e0 ph\u00ea b\u1edfi v\u00ec n\u00f3 tr\u1ef1c ti\u1ebfp thi\u1ebft l\u1eadp nh\u1ecbp \u0111i\u1ec7u m\u00e0 n\u01b0\u1edbc k\u00e9o h\u01b0\u01a1ng v\u1ecb ra kh\u1ecfi h\u1ea1t: thay \u0111\u1ed5i n\u00f3, v\u00e0 b\u1ea1n thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh c\u1ee7a m\u1ecdi bi\u1ebfn s\u1ed1 kh\u00e1c. H\u00e3y h\u00ecnh dung theo c\u00e1ch n\u00e0y: m\u1ed9t h\u1ea1t c\u00e0 ph\u00ea nguy\u00ean v\u1eb9n ch\u1ec9 c\u00f3 m\u1ed9t di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t r\u1ea5t nh\u1ecf ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc. Nghi\u1ec1n h\u1ea1t \u0111\u00f3 th\u00e0nh 500 h\u1ea1t b\u1ee5i nh\u1ecf, b\u1ea1n v\u1eeba nh\u00e2n di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac l\u00ean theo c\u1ea5p s\u1ed1 nh\u00e2n. Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u00e0ng l\u1edbn \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c n\u01b0\u1edbc ch\u1ea1m t\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t h\u00f2a tan c\u00e0ng nhanh, t\u1ee9c l\u00e0 t\u1ed1c \u0111\u1ed9 chi\u1ebft xu\u1ea5t \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f3 l\u00e0 l\u00fd do v\u00ec sao c\u1ee1 xay l\u00e0 th\u1ee9 \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh khi l\u00e0m quen v\u1edbi m\u1ed9t lo\u1ea1i c\u00e0 ph\u00ea m\u1edbi. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian pha l\u00e0 nh\u1eefng chi\u1ebfc \u0111\u00f2n b\u1ea9y th\u1ef1c th\u1ee5 (nh\u01b0ng ch\u00fang ch\u1ec9 \u0111ang v\u1eadn h\u00e0nh tr\u00ean n\u1ec1n t\u1ed1c \u0111\u1ed9 m\u00e0 c\u1ee1 xay \u0111\u00e3 v\u1ea1ch s\u1eb5n). Thay \u0111\u1ed5i c\u1ee1 xay, b\u1ea1n l\u00e0m d\u1ecbch chuy\u1ec3n to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng cong chi\u1ebft xu\u1ea5t. Nh\u00edch nhi\u1ec7t \u0111\u1ed9 l\u00ean 3 \u0111\u1ed9, b\u1ea1n ch\u1ec9 \u0111ang kh\u1ebd t\u00e1c \u0111\u1ed9ng v\u00e0o n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u1ed5 K\u00edch Th\u01b0\u1edbc Xay T\u1eeb C\u00e0 Ph\u00ea Th\u1ed5 Nh\u0129 K\u1ef3 \u0110\u1ebfn Cold Brew<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea3i k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf tr\u1ea3i d\u00e0i t\u1eeb si\u00eau m\u1ecbn \u0111\u1ebfn si\u00eau th\u00f4, v\u00e0 m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p pha ch\u1ebf \u0111\u1ec1u n\u1eb1m \u1edf m\u1ed9t ph\u00e2n v\u00f9ng c\u1ee5 th\u1ec3 c\u00f3 l\u00fd do r\u00f5 r\u00e0ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Si\u00eau M\u1ecbn (Extra fine):<\/strong> C\u00e0 ph\u00ea Th\u1ed5 Nh\u0129 K\u1ef3 (Turkish coffee)<\/li>\n\n\n\n<li><strong>M\u1ecbn (Fine):<\/strong> Espresso<\/li>\n\n\n\n<li><strong>M\u1ecbn V\u1eeba (Medium-fine):<\/strong> Pour-over (V60, Kalita)<\/li>\n\n\n\n<li><strong>Trung B\u00ecnh (Medium):<\/strong> M\u00e1y pha drip t\u1ef1 \u0111\u1ed9ng<\/li>\n\n\n\n<li><strong>Th\u00f4 (Coarse):<\/strong> French press<\/li>\n\n\n\n<li><strong>Si\u00eau Th\u00f4 (Extra coarse):<\/strong> Cold brew ng\u00e2m \u1ee7 l\u1ea1nh<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ee1 xay c\u00e0ng th\u00f4, n\u01b0\u1edbc chi\u1ebft xu\u1ea5t c\u00e0ng ch\u1eadm, \u0111\u00f3 ch\u00ednh x\u00e1c l\u00e0 nh\u1eefng g\u00ec cold brew c\u1ea7n trong su\u1ed1t 12\u201324 gi\u1edd ng\u00e2m \u1ee7. C\u1ee1 xay c\u00e0ng m\u1ecbn, chi\u1ebft xu\u1ea5t di\u1ec5n ra c\u00e0ng nhanh ch\u1edbp nho\u00e1ng (\u0111\u00f3 ch\u00ednh x\u00e1c l\u00e0 nh\u1eefng g\u00ec espresso c\u1ea7n trong khung th\u1eddi gian 28\u201332 gi\u00e2y). Ph\u01b0\u01a1ng ph\u00e1p pha v\u00e0 k\u00edch th\u01b0\u1edbc xay \u0111\u01b0\u1ee3c sinh ra \u0111\u1ec3 kh\u1edbp ho\u00e0n h\u1ea3o v\u1edbi nhau theo thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00ec Sao M\u00e1y Xay \u0110\u0129a Nghi\u1ec1n V\u01b0\u1ee3t Tr\u1ed9i Ho\u00e0n To\u00e0n M\u00e1y Xay L\u01b0\u1ee1i Dao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00edch th\u01b0\u1edbc xay ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t bi\u1ebfn s\u1ed1 \u0111\u00e1ng tin c\u1eady n\u1ebfu c\u00e1c h\u1ea1t b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng \u0111\u1ec1u. \u0110\u00e2y l\u00e0 n\u01a1i kho\u1ea3ng c\u00e1ch v\u1ec1 thi\u1ebft b\u1ecb b\u1ed9c l\u1ed9 th\u1ef1c t\u1ebf nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t chi\u1ebfc m\u00e1y xay \u0111\u0129a nghi\u1ec1n (burr grinder) nghi\u1ec1n n\u00e1t h\u1ea1t c\u00e0 ph\u00ea gi\u1eefa hai b\u1ec1 m\u1eb7t ma s\u00e1t \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf m\u1ed9t kho\u1ea3ng c\u00e1ch chu\u1ea9n x\u00e1c c\u1ed1 \u0111\u1ecbnh. M\u1ecdi h\u1ea1t b\u1ed9t sinh ra \u0111\u1ec1u c\u00f3 k\u00edch th\u01b0\u1edbc x\u1ea5p x\u1ec9 b\u1eb1ng nhau. N\u01b0\u1edbc di chuy\u1ec3n qua l\u1edbp b\u1ed9t \u0111\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ed3ng \u0111\u1ec1u, v\u00e0 qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t di\u1ec5n ra \u1edf m\u1ed9t t\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t chi\u1ebfc m\u00e1y xay l\u01b0\u1ee1i dao (blade grinder) quay t\u00edt m\u1ed9t l\u01b0\u1ee1i kim lo\u1ea1i \u0111\u1ec3 ch\u00e9m n\u00e1t h\u1ea1t m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean. Nh\u1eefng g\u00ec b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 m\u1ed9t m\u1edb h\u1ed7n \u0111\u1ed9n g\u1ed3m c\u1ea3 nh\u1eefng t\u1ea3ng \u0111\u00e1 th\u00f4 to t\u01b0\u1edbng l\u1eabn b\u1ed9t b\u1ee5i si\u00eau m\u1ecbn trong c\u00f9ng m\u1ed9t m\u1ebb xay. L\u1edbp b\u1ee5i m\u1ecbn s\u1ebd b\u1ecb chi\u1ebft xu\u1ea5t qu\u00e1 m\u1ee9c g\u1ea7n nh\u01b0 ngay t\u1ee9c kh\u1eafc, t\u1ea1o ra v\u1ecb \u0111\u1eafng ng\u1eaft. Nh\u1eefng h\u1ea1t th\u00f4 to l\u1ea1i b\u1ecb chi\u1ebft xu\u1ea5t thi\u1ebfu, gi\u1eef nguy\u00ean v\u1ecb chua lo\u00e9t v\u00e0 nh\u1ea1t nh\u1ebdo. C\u1ea3 hai tr\u1ea1ng th\u00e1i n\u00e0y di\u1ec5n ra \u0111\u1ed3ng th\u1eddi trong c\u00f9ng m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea, \u0111\u00f3 l\u00e0 l\u00fd do v\u00ec sao c\u00e0 ph\u00ea xay b\u1eb1ng m\u00e1y l\u01b0\u1ee1i dao th\u01b0\u1eddng c\u00f3 v\u1ecb \u0111\u1ee5c ng\u1ea7u, m\u1edd m\u1ecbt v\u00e0 ph\u1eb3ng l\u00ec d\u00f9 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c tr\u00f4ng c\u00f3 v\u1ebb r\u1ea5t chu\u1ea9n. B\u1ea1n kh\u00f4ng th\u1ec3 s\u1eeda \u0111i\u1ec1u \u0111\u00f3 b\u1eb1ng nhi\u1ec7t \u0111\u1ed9 hay th\u1eddi gian, b\u1edfi v\u1ea5n \u0111\u1ec1 kh\u00f4ng n\u1eb1m \u1edf t\u1ed1c \u0111\u1ed9: v\u1ea5n \u0111\u1ec1 l\u00e0 c\u00e1c h\u1ea1t kh\u00e1c nhau \u0111ang chi\u1ebft xu\u1ea5t \u1edf nh\u1eefng t\u1ed1c \u0111\u1ed9 ho\u00e0n to\u00e0n \u0111\u1ed1i ngh\u1ecbch nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y xay \u0111\u0129a nghi\u1ec1n l\u00e0 kho\u1ea3n n\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh m\u1ebd nh\u1ea5t m\u00e0 m\u1ed9t ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n. Tr\u01b0\u1edbc khi b\u1ea1n v\u1ed9i mua m\u1ed9t chi\u1ebfc \u1ea5m c\u1ed5 ng\u1ed7ng \u0111\u1eaft ti\u1ec1n hay m\u1ed9t chi\u1ebfc c\u00e2n chuy\u00ean d\u1ee5ng x\u1ecbn s\u00f2, h\u00e3y \u0111\u1ea7u t\u01b0 \u0111\u00fang \u0111\u1eafn v\u00e0o m\u00e1y xay tr\u01b0\u1edbc ti\u00ean. M\u1ecdi th\u1ee9 \u1edf h\u1ea1 ngu\u1ed3n \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1i B\u1eaby T\u1ef7 L\u1ec7 Trong Pha Espresso<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 \u0111i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft c\u00e1c h\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n th\u01b0\u1eddng l\u01b0\u1edbt qua: c\u1ee1 xay l\u00e0 bi\u1ebfn s\u1ed1 t\u1ed5ng ch\u1ec9 huy, nh\u01b0ng n\u00f3 kh\u00f4ng th\u1ec3 g\u00e1nh v\u00e1c to\u00e0n b\u1ed9 tr\u00e1ch nhi\u1ec7m khi c\u00e1c y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng kh\u00e1c b\u1ecb l\u1ec7ch l\u1ea1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong pha espresso.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ef7 l\u1ec7 espresso ti\u00eau chu\u1ea9n 1:2 (ch\u1eb3ng h\u1ea1n 22 gam b\u1ed9t c\u00e0 ph\u00ea chi\u1ebft xu\u1ea5t ra 44 gam ch\u1ea5t l\u1ecfng trong 28\u201332 gi\u00e2y) th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y nh\u01b0 m\u1ed9t \u0111\u1ea1o lu\u1eadt b\u1ea5t di b\u1ea5t d\u1ecbch. Khi m\u1ed9t shot ch\u1ea3y qu\u00e1 nhanh ho\u1eb7c qu\u00e1 ch\u1eadm, ch\u1ec9 d\u1eabn lu\u00f4n lu\u00f4n l\u00e0: ch\u1ec9nh c\u1ee1 xay. Xay m\u1ecbn h\u01a1n \u0111\u1ec3 l\u00e0m ch\u1eadm d\u00f2ng ch\u1ea3y, xay th\u00f4 h\u01a1n \u0111\u1ec3 t\u0103ng t\u1ed1c. V\u00e0 \u0111i\u1ec1u \u0111\u00f3 hi\u1ec7u qu\u1ea3, cho \u0111\u1ebfn khi n\u00f3 kh\u00f4ng c\u00f2n hi\u1ec7u qu\u1ea3 n\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ebb rang \u0111\u1eadm \u1edf t\u1ef7 l\u1ec7 1:2 c\u00f3 th\u1ec3 n\u1ebfm th\u1ea5y \u0111\u1eafng g\u1eaft v\u00e0 chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 ngay c\u1ea3 khi c\u1ee1 xay \u0111\u00e3 chu\u1ea9n t\u1eebng micromet. M\u1ed9t m\u1ebb rang nh\u1ea1t \u1edf t\u1ef7 l\u1ec7 1:2 c\u00f3 th\u1ec3 n\u1ebfm th\u1ea5y chua lo\u00e9t v\u00e0 lo\u00e3ng to\u1eb9t b\u1ea5t k\u1ec3 b\u1ea1n c\u00f3 ch\u1ec9nh c\u1ee1 xay m\u1ecbn \u0111\u1ebfn m\u1ee9c n\u00e0o \u0111i n\u1eefa. N\u1ebfu b\u1ea1n \u0111ang quay cu\u1ed3ng trong v\u00f2ng l\u1eb7p ch\u1ec9nh c\u1ee1 xay m\u00e0 kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y m\u1ed9t shot c\u00e2n b\u1eb1ng, ch\u00ednh t\u1ef7 l\u1ec7 pha c\u00f3 th\u1ec3 m\u1edbi l\u00e0 th\u1ee7 ph\u1ea1m, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u1ee1 xay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u1ef7 l\u1ec7 espresso kh\u1ea3 thi trong th\u1ef1c t\u1ebf tr\u1ea3i d\u00e0i t\u1eeb 1:1.5 (ng\u1eafn h\u01a1n, c\u00f4 \u0111\u1eb7c h\u01a1n) cho t\u1edbi 1:3 (d\u00e0i h\u01a1n, chi\u1ebft xu\u1ea5t s\u00e2u h\u01a1n). T\u1ef7 l\u1ec7 kh\u00f4ng ph\u1ea3i l\u00e0 lu\u1eadt b\u1ea5t bi\u1ebfn, n\u00f3 l\u00e0 m\u1ed9t bi\u1ebfn s\u1ed1 linh ho\u1ea1t. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 l\u00e0 th\u1ee9 gi\u00fap b\u1ea1n tho\u00e1t kh\u1ecfi v\u00f2ng l\u1eb7p b\u1ebf t\u1eafc m\u00e0 c\u00e1c quy chu\u1ea9n c\u1ee9ng nh\u1eafc d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi t\u1ea1o ra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vai Tr\u00f2 Th\u1ef1c T\u1ebf C\u1ee7a Nhi\u1ec7t \u0110\u1ed9 Trong Chi\u1ebft Xu\u1ea5t C\u00e0 Ph\u00ea<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t con s\u1ed1 b\u1ea1n c\u00e0i \u0111\u1eb7t m\u1ed9t l\u1ea7n r\u1ed3i qu\u00ean \u0111i, n\u00f3 l\u00e0 chi\u1ebfc van \u0111i\u1ec1u ti\u1ebft ki\u1ec3m so\u00e1t xem <em>nh\u1eefng<\/em> h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng v\u1ecb n\u00e0o th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c ph\u00e9p b\u01b0\u1edbc v\u00e0o t\u00e1ch c\u1ee7a b\u1ea1n. Kho\u1ea3ng nhi\u1ec7t 90\u201396\u00b0C l\u00e0 v\u00f9ng xu\u1ea5t ph\u00e1t chu\u1ea9n x\u00e1c cho ph\u1ea7n l\u1edbn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p pha n\u00f3ng: pour-over, drip, French press, AeroPress. Nh\u01b0ng vi\u1ec7c coi n\u00f3 nh\u01b0 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi v\u1ea1n n\u0103ng cho m\u1ecdi tr\u01b0\u1eddng h\u1ee3p c\u0169ng gi\u1ed1ng nh\u01b0 vi\u1ec7c n\u00f3i &#8220;h\u00e3y l\u00e1i xe \u1edf t\u1ed1c \u0111\u1ed9 50\u201380 km\/h&#8221; m\u00e0 kh\u00f4ng h\u1ec1 \u0111\u1ebfm x\u1ec9a \u0111\u1ebfn vi\u1ec7c b\u1ea1n \u0111ang \u0111i trong khu d\u00e2n c\u01b0 hay tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00fd do d\u1ea3i nhi\u1ec7t \u0111\u00f3 t\u1ed3n t\u1ea1i b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1ch th\u1ee9c c\u00e1c h\u1ee3p ch\u1ea5t trong c\u00e0 ph\u00ea h\u00f2a tan. C\u00e1c ph\u00e2n t\u1eed h\u01b0\u01a1ng v\u1ecb kh\u00e1c nhau c\u00f3 \u0111\u01b0\u1eddng cong h\u00f2a tan kh\u00e1c nhau, ngh\u0129a l\u00e0 ch\u00fang gi\u1ea3i ph\u00f3ng v\u00e0o n\u01b0\u1edbc \u1edf nh\u1eefng t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9. C\u00e1c axit tr\u00e1i c\u00e2y v\u00e0 h\u1ee3p ch\u1ea5t th\u01a1m nh\u1eb9 r\u1ea5t nh\u1ea1y b\u00e9n. Ch\u00fang h\u00f2a tan d\u1ec5 d\u00e0ng ngay c\u1ea3 \u1edf m\u1ee9c nhi\u1ec7t th\u1ea5p h\u01a1n. C\u00e1c lo\u1ea1i \u0111\u01b0\u1eddng caramel h\u00f3a \u0111\u1eadm \u0111\u00e0 v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1eafng nh\u01b0 chlorogenic acid lactone l\u1ea1i r\u1ea5t c\u1ee9ng \u0111\u1ea7u. Ch\u00fang \u0111\u00f2i h\u1ecfi nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t h\u01a1n \u0111\u1ec3 b\u1ecb k\u00e9o v\u00e0o dung d\u1ecbch, v\u00e0 m\u1ed9t khi ch\u00fang b\u1eaft \u0111\u1ea7u tho\u00e1t ra, ch\u00fang s\u1ebd \u00f9a ra r\u1ea5t nhanh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1387380616000440\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>nghi\u00ean c\u1ee9u n\u0103m 2016 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p kh\u1ed1i ph\u1ed5<\/strong><\/u><\/a> \u0111\u00e3 theo d\u00f5i c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i trong qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t espresso \u1edf 82\u00b0C, 92\u00b0C v\u00e0 96\u00b0C. Ph\u00e1t hi\u1ec7n mang t\u00ednh b\u01b0\u1edbc ngo\u1eb7t: ch\u1ec9 c\u1ea7n t\u0103ng 5\u00b0C, ch\u1eb3ng h\u1ea1n t\u1eeb 91\u00b0C l\u00ean 96\u00b0C, \u0111\u00e3 t\u1ea1o ra m\u1ed9t s\u1ef1 b\u00f9ng n\u1ed5 \u0111\u1ed9t bi\u1ebfn c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1eafng ph\u00e2n c\u1ef1c th\u1ea5p, l\u00e0m d\u1ecbch chuy\u1ec3n h\u1ed3 s\u01a1 h\u01b0\u01a1ng v\u1ecb ch\u1ee7 \u0111\u1ea1o sang h\u01b0\u1edbng v\u1ecb kh\u00e9t rang v\u00e0 \u0111\u1eafng g\u1eaft. C\u00e1c axit g\u1ea7n nh\u01b0 kh\u00f4ng thay \u0111\u1ed5i m\u1ea5y. Nh\u01b0ng c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1eafng l\u1ea1i t\u0103ng v\u1ecdt. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t khung nhi\u1ec7t \u0111\u1ed9 6 \u0111\u1ed9 ph\u1eb3ng l\u1eb7ng v\u1eadn h\u00e0nh \u0111\u1ed3ng nh\u1ea5t. \u0110\u00f3 l\u00e0 m\u1ed9t quang ph\u1ed5 v\u1edbi nh\u1eefng h\u1ec7 qu\u1ea3 r\u1ea5t th\u1ef1c t\u1ebf t\u1ea1i t\u1eebng n\u1ea5c nhi\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ee9c \u0110\u1ed9 Rang D\u1ecbch Chuy\u1ec3n Nhi\u1ec7t \u0110\u1ed9 M\u1ee5c Ti\u00eau C\u1ee7a B\u1ea1n Ra Sao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ee9c \u0111\u1ed9 rang l\u00e0m thay \u0111\u1ed5i c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a h\u1ea1t c\u00e0 ph\u00ea, v\u00e0 \u0111i\u1ec1u \u0111\u00f3 l\u00e0m thay \u0111\u1ed5i v\u1ecb tr\u00ed nhi\u1ec7t \u0111\u1ed9 b\u1ea1n th\u1ef1c s\u1ef1 n\u00ean ch\u1ecdn trong d\u1ea3i nhi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea1t rang nh\u1ea1t (Light roast) c\u00f3 m\u1eadt \u0111\u1ed9 h\u1ea1t \u0111\u1eb7c h\u01a1n. C\u1ea5u tr\u00fac t\u1ebf b\u00e0o ch\u01b0a b\u1ecb ph\u00e1 v\u1ee1 nhi\u1ec1u, do \u0111\u00f3 c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng v\u1ecb kh\u00f3 ti\u1ebfp c\u1eadn h\u01a1n. Pha m\u1ed9t m\u1ebb Ethiopia rang nh\u1ea1t \u1edf m\u1ee9c nhi\u1ec7t 90\u00b0C th\u01b0\u1eddng t\u1ea1o ra m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea c\u00f3 v\u1ecb ng\u00e1i c\u1ecf, ch\u01b0a ph\u00e1t tri\u1ec3n h\u1ebft h\u01b0\u01a1ng, kh\u00f4ng ph\u1ea3i v\u00ec h\u1ea1t d\u1edf, m\u00e0 v\u00ec b\u1ea1n ch\u01b0a cung c\u1ea5p cho n\u01b0\u1edbc \u0111\u1ee7 n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u1ec3 l\u00e0m tr\u00f2n b\u1ed5n ph\u1eadn. \u0110\u1ea9y nhi\u1ec7t \u0111\u1ed9 l\u00ean ti\u1ec7m c\u1eadn 96\u00b0C, nh\u1eefng axit tr\u00e1i c\u00e2y thanh s\u00e1ng v\u00e0 h\u01b0\u01a1ng hoa c\u1ecf th\u01a1m ng\u00e1t s\u1ebd c\u00f3 c\u01a1 h\u1ed9i gi\u1ea3i ph\u00f3ng tr\u1ecdn v\u1eb9n v\u00e0 s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea1t rang \u0111\u1eadm (Dark roast) l\u1ea1i v\u1eadn h\u00e0nh theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i. Qu\u00e1 tr\u00ecnh rang k\u00e9o d\u00e0i l\u00e0m cho h\u1ea1t tr\u1edf n\u00ean x\u1ed1p r\u1ed7ng h\u01a1n v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t tr\u1edf n\u00ean d\u1ec5 h\u00f2a tan h\u01a1n nhi\u1ec1u. \u1ede m\u1ee9c 96\u00b0C, m\u1ed9t m\u1ebb Sumatra rang \u0111\u1eadm kh\u00f4ng h\u1ec1 c\u1ea7n th\u00eam c\u00fa h\u00edch nhi\u1ec7t \u0111\u00f3, n\u00f3 v\u1ed1n \u0111\u00e3 s\u1eb5n s\u00e0ng bung t\u1ecfa. Nh\u1eefng g\u00ec b\u1ea1n nh\u1eadn v\u1ec1 thay v\u00e0o \u0111\u00f3 l\u00e0 m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea n\u1ed3ng m\u00f9i tro than, \u0111\u1eafng g\u1eaft n\u01a1i c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1eafng ch\u00e1t b\u1ecb chi\u1ebft xu\u1ea5t qu\u00e1 m\u1ee9c. H\u1ea1 nhi\u1ec7t \u0111\u1ed9 v\u1ec1 kho\u1ea3ng 90\u201393\u00b0C s\u1ebd gi\u00fap b\u1ea1n l\u00e0m ch\u1ee7 \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec c\u1ea7n k\u00e9o ra v\u00e0 nh\u1eefng g\u00ec c\u1ea7n b\u1ecf l\u1ea1i ph\u00eda sau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 ph\u1ea7n m\u00e0 \u0111a s\u1ed1 c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ee1 l\u00f2ng b\u1ecf qua ho\u00e0n to\u00e0n. H\u1ecd trao cho b\u1ea1n m\u1ed9t kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 nh\u01b0 th\u1ec3 n\u00f3 \u0111\u1ed3ng nh\u1ea5t \u1edf m\u1ecdi \u0111i\u1ec3m, trong khi tr\u00ean th\u1ef1c t\u1ebf, \u0111\u1ea7u c\u1eadn d\u01b0\u1edbi v\u00e0 \u0111\u1ea7u c\u1eadn tr\u00ean t\u1ea1o ra nh\u1eefng t\u00e1ch c\u00e0 ph\u00ea kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi m\u1ee9c \u0111\u1ed9 rang l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 h\u00f2a tan c\u1ee7a t\u1eebng h\u1ee3p ch\u1ea5t trong h\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 Hi\u1ec7p h\u1ed9i C\u00e0 ph\u00ea \u0110\u1eb7c s\u1ea3n (SCA), c\u01a1 quan thi\u1ebft l\u1eadp c\u00e1c ti\u00eau chu\u1ea9n pha ch\u1ebf cho to\u00e0n ng\u00e0nh, c\u0169ng r\u1ea5t th\u1eadn tr\u1ecdng khi \u0111\u01b0a ra tuy\u00ean b\u1ed1 \u1edf kh\u00eda c\u1ea1nh n\u00e0y. Nghi\u00ean c\u1ee9u c\u1ee7a ch\u00ednh h\u1ecd \u0111\u00e3 l\u01b0u \u00fd:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Nhi\u1ec7t \u0111\u1ed9 pha \u0111\u01b0\u1ee3c xem r\u1ed9ng r\u00e3i l\u00e0 m\u1ed9t trong nh\u1eefng bi\u1ebfn s\u1ed1 c\u1ed1t l\u00f5i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e0 ph\u00ea, v\u1edbi m\u1ee9c nhi\u1ec7t quanh 93\u00b0C \u0111\u01b0\u1ee3c \u0111a s\u1ed1 xem l\u00e0 t\u1ed1t nh\u1ea5t. V\u00e0 d\u1eabu kh\u00f4ng c\u00f3 g\u00ec ng\u1ea1c nhi\u00ean khi c\u00e1c m\u00e1y pha drip kh\u00f4ng th\u1ec3 \u0111\u1ea1t t\u1edbi 92\u00b0C \u0111\u1ee7 nhanh s\u1ebd b\u1ecb tr\u01b0\u1ee3t ch\u1ee9ng nh\u1eadn, h\u00f3a ra l\u1ea1i c\u00f3 r\u1ea5t \u00edt b\u1eb1ng ch\u1ee9ng th\u1ef1c nghi\u1ec7m (v\u00e0 c\u00e0ng \u00edt b\u1eb1ng ch\u1ee9ng khoa h\u1ecdc) \u1ee7ng h\u1ed9 b\u1ea5t k\u1ef3 d\u1ea3i nhi\u1ec7t \u0111\u1ed9 pha c\u1ee5 th\u1ec3 n\u00e0o \u0111\u1ec3 \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ea3m quan t\u1ed1i \u01b0u v\u00e0 s\u1ef1 ch\u1ea5p nh\u1eadn c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng.&#8221; \u2014 <a href=\"https:\/\/sca.coffee\/sca-news\/25\/issue-15\/how-hot-is-hot-enough-brew-temperature-sensory-profile-and-consumer-acceptance-of-brewed-coffee\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Hi\u1ec7p H\u1ed9i C\u00e0 Ph\u00ea \u0110\u1eb7c S\u1ea3n (SCA)<\/strong><\/u><\/a><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f3 l\u00e0 ti\u1ebfng n\u00f3i t\u1eeb ch\u00ednh c\u01a1 quan ti\u00eau chu\u1ea9n: quy t\u1eafc ch\u1ec9 l\u00e0 c\u00e1nh c\u1ed5ng xu\u1ea5t ph\u00e1t, kh\u00f4ng ph\u1ea3i v\u1ea1ch \u0111\u00edch cu\u1ed1i c\u00f9ng. M\u1ee9c \u0111\u1ed9 rang, lo\u1ea1i h\u1ea1t v\u00e0 ch\u00ednh kh\u1ea9u v\u1ecb c\u1ee7a b\u1ea1n s\u1ebd quy\u1ebft \u0111\u1ecbnh t\u1ecda \u0111\u1ed9 b\u1ea1n th\u1ef1c s\u1ef1 d\u1eebng ch\u00e2n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ngo\u1ea1i L\u1ec7 Nhi\u1ec7t \u0110\u1ed9 C\u00f3 Ch\u1ee7 \u0110\u00edch C\u1ee7a Cold Brew<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cold brew kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t phi\u00ean b\u1ea3n l\u1ed7i c\u1ee7a c\u00e0 ph\u00ea n\u00f3ng, n\u00f3 l\u00e0 s\u1ef1 v\u1eadn d\u1ee5ng c\u00f3 ch\u1ee7 \u0111\u00edch m\u1ed1i quan h\u1ec7 gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 chi\u1ebft xu\u1ea5t, ch\u1ec9 l\u00e0 \u0111\u01b0\u1ee3c ch\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ef1c ch\u1eadm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng ho\u1eb7c trong ng\u0103n m\u00e1t t\u1ee7 l\u1ea1nh (kho\u1ea3ng 20\u201325\u00b0C), qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t di\u1ec5n ra ch\u1eadm l\u1ea1i r\u00f5 r\u1ec7t. Nh\u1eefng h\u1ee3p ch\u1ea5t v\u1ed1n h\u00f2a tan trong v\u00e0i ph\u00fat \u1edf 93\u00b0C th\u00ec nay ph\u1ea3i m\u1ea5t 12\u201324 gi\u1edd \u1edf m\u1ee9c nhi\u1ec7t l\u1ea1nh. Nh\u01b0ng th\u1eddi gian \u0111\u00e3 b\u00f9 \u0111\u1eafp cho nhi\u1ec7t l\u01b0\u1ee3ng, v\u00e0 k\u1ebft qu\u1ea3 mang l\u1ea1i l\u00e0 m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc. B\u1edfi v\u00ec c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1eafng ph\u00e2n c\u1ef1c th\u1ea5p \u0111\u00f2i h\u1ecfi n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t r\u1ea5t l\u1edbn m\u1edbi c\u00f3 th\u1ec3 h\u00f2a tan hi\u1ec7u qu\u1ea3, cold brew t\u1ef1 nhi\u00ean tri\u1ec7t ti\u00eau ch\u00fang. Nh\u1eefng g\u00ec b\u1ea1n nh\u1eadn v\u1ec1 l\u00e0 s\u1ef1 \u00eam d\u1ecbu, \u00edt chua v\u00e0 ng\u1ecdt ng\u00e0o, kh\u00f4ng ph\u1ea3i v\u00ec cold brew d\u00f9ng lo\u1ea1i h\u1ea1t kh\u00e1c, m\u00e0 v\u00ec ng\u01b0\u1ee1ng nhi\u1ec7t th\u1ea5p \u0111\u00e3 ng\u0103n c\u00e1c h\u1ee3p ch\u1ea5t g\u1eaft g\u1ecfng tho\u00e1t ra, b\u1ea5t k\u1ec3 b\u1ea1n c\u00f3 ng\u00e2m \u1ee7 l\u00e2u \u0111\u1ebfn th\u1ebf n\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Khi H\u00f3a H\u1ecdc C\u1ee7a N\u01b0\u1edbc Ph\u00e1 V\u1ee1 S\u1ef1 Ki\u1ec3m So\u00e1t Nhi\u1ec7t \u0110\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 bi\u1ebfn s\u1ed1 m\u00e0 m\u1ed9t m\u00ecnh nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng th\u1ec3 t\u1ef1 gi\u1ea3i quy\u1ebft: s\u1ef1 c\u00e2n b\u1eb1ng kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc c\u1ee7a b\u1ea1n. \u0110\u00fang nh\u01b0 ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf ph\u1ea7n c\u00e1c bi\u1ebfn s\u1ed1 chi\u1ebft xu\u1ea5t, h\u00f3a h\u1ecdc n\u01b0\u1edbc \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u00f4i tr\u01b0\u1eddng trung gian d\u1eabn truy\u1ec1n to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t. C\u00e1c ion magie \u0111\u1eb7c bi\u1ec7t c\u00f3 xu h\u01b0\u1edbng li\u00ean k\u1ebft \u01b0u ti\u00ean v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng th\u01a1m t\u1ea1o n\u00ean s\u1ef1 ph\u1ee9c h\u1ee3p v\u00e0 t\u01b0\u01a1i s\u00e1ng cho c\u00e0 ph\u00ea \u0111\u1eb7c s\u1ea3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu n\u01b0\u1edbc c\u1ee7a b\u1ea1n qu\u00e1 m\u1ec1m, n\u00f3 thi\u1ebfu \u0111i nh\u1eefng ch\u1ea5t d\u1eabn kho\u00e1ng \u0111\u1ec3 k\u00e9o c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00f3 ra m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, v\u00e0 kh\u00f4ng m\u1ed9t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 n\u00e0o c\u00f3 th\u1ec3 b\u00f9 \u0111\u1eafp \u0111\u01b0\u1ee3c s\u1ef1 thi\u1ebfu h\u1ee5t \u0111\u00f3. N\u1ebfu n\u01b0\u1edbc qu\u00e1 c\u1ee9ng, c\u1eb7n v\u00f4i b\u00e1m d\u00ednh v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t c\u1ea1nh tranh s\u1ebd l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t s\u1ea1ch s\u1ebd. B\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 chu\u1ea9n t\u1eebng \u0111\u1ed9 cho m\u1ebb pour-over rang nh\u1ea1t nh\u01b0ng v\u1eabn nh\u1eadn v\u1ec1 m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea ph\u1eb3ng l\u00ec, nh\u1ea1t nh\u00f2a n\u1ebfu ngu\u1ed3n n\u01b0\u1edbc \u0111ang ch\u1ed1ng l\u1ea1i b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec7t \u0111\u1ed9 l\u00e0 b\u00e0n \u0111\u1ea1p ga. H\u00f3a h\u1ecdc c\u1ee7a n\u01b0\u1edbc ch\u00ednh l\u00e0 m\u1eb7t \u0111\u01b0\u1eddng m\u00e0 chi\u1ebfc xe \u0111ang ch\u1ea1y tr\u00ean \u0111\u00f3. C\u1ea3 hai \u0111\u1ec1u ph\u1ea3i chu\u1ea9n th\u00ec chi\u1ebfc xe m\u1edbi c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh tr\u01a1n tru.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy Tr\u00ecnh Hi\u1ec7u Chu\u1ea9n Chi\u1ebft Xu\u1ea5t C\u00f3 H\u1ec7 Th\u1ed1ng (Dial-In)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh hi\u1ec7u chu\u1ea9n (dial-in) k\u1ef7 lu\u1eadt s\u1ebd bi\u1ebfn chi\u1ebft xu\u1ea5t c\u00e0 ph\u00ea t\u1eeb m\u1ed9t tr\u00f2 ch\u01a1i may r\u1ee7i th\u00e0nh m\u1ed9t chu\u1ed7i h\u00e0nh \u0111\u1ed9ng khoa h\u1ecdc c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i, v\u00e0 n\u00f3 v\u1eadn h\u00e0nh gi\u1ed1ng h\u1ec7t nhau d\u00f9 b\u1ea1n pha pour-over, French press hay AeroPress. B\u1ea1n b\u1eaft \u0111\u1ea7u \u1edf m\u1ed9t t\u1ecda \u0111\u1ed9 \u0111\u00e3 bi\u1ebft r\u00f5, n\u1ebfm th\u1eed, ch\u1ea9n \u0111o\u00e1n, v\u00e0 ch\u1ec9 \u0111i\u1ec1u ch\u1ec9nh duy nh\u1ea5t m\u1ed9t chi\u1ebfc \u0111\u00f2n b\u1ea9y t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m. \u0110\u00f3 l\u00e0 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao nguy\u00ean t\u1eafc cu\u1ed1i c\u00f9ng l\u1ea1i quan tr\u1ecdng h\u01a1n b\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec kh\u00e1c: n\u1ebfu b\u1ea1n v\u1eeba ch\u1ec9nh c\u1ee1 xay, v\u1eeba \u0111\u1ed5i t\u1ef7 l\u1ec7, v\u1eeba t\u0103ng nhi\u1ec7t \u0111\u1ed9 trong c\u00f9ng m\u1ed9t l\u1ea7n pha, v\u00e0 t\u00e1ch c\u00e0 ph\u00ea u\u1ed1ng ngon h\u01a1n, b\u1ea1n s\u1ebd ho\u00e0n to\u00e0n m\u00f9 t\u1ecbt kh\u00f4ng bi\u1ebft s\u1ef1 thay \u0111\u1ed5i n\u00e0o th\u1ef1c s\u1ef1 mang l\u1ea1i k\u1ebft qu\u1ea3. L\u1ea7n t\u1edbi b\u1ea1n l\u1ea1i ph\u1ea3i \u0111o\u00e1n m\u00f2 t\u1eeb \u0111\u1ea7u. Ch\u1ec9nh m\u1ed9t bi\u1ebfn s\u1ed1 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1eddi khuy\u00ean t\u00f9y \u00fd: \u0111\u00f3 ch\u00ednh l\u00e0 c\u01a1 ch\u1ebf gi\u00fap quy tr\u00ecnh c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 1: C\u1ed1 \u0110\u1ecbnh T\u1ef7 L\u1ec7 Xu\u1ea5t Ph\u00e1t C\u1ee7a B\u1ea1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi ch\u1ea1m tay v\u00e0o m\u00e1y xay, h\u00e3y c\u1ed1 \u0111\u1ecbnh t\u1ef7 l\u1ec7 pha c\u1ee7a b\u1ea1n v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng x\u00ea d\u1ecbch n\u00f3 cho \u0111\u1ebfn khi b\u1ea1n \u0111\u00e3 l\u00e0m vi\u1ec7c xong v\u1edbi k\u00edch th\u01b0\u1edbc xay. V\u1ecb tr\u00ed xu\u1ea5t ph\u00e1t t\u00f9y thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p pha c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pour-over \/ Drip:<\/strong> 1:16 (1g c\u00e0 ph\u00ea cho 16g n\u01b0\u1edbc)<\/li>\n\n\n\n<li><strong>French press:<\/strong> 1:15 (\u0111\u1eadm \u0111\u1eb7c h\u01a1n m\u1ed9t ch\u00fat v\u00ec ng\u00e2m \u1ee7 chi\u1ebft xu\u1ea5t hi\u1ec7u qu\u1ea3 h\u01a1n)<\/li>\n\n\n\n<li><strong>AeroPress:<\/strong> 1:15 \u0111\u1ebfn 1:16, t\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n pha c\u1ed1t \u0111\u1eadm \u0111\u1eb7c hay pha m\u1ed9t t\u00e1ch ho\u00e0n ch\u1ec9nh<\/li>\n\n\n\n<li><strong>Espresso:<\/strong> 1:2 (18g b\u1ed9t, 36g chi\u1ebft xu\u1ea5t (m\u1ed9t th\u1ebf gi\u1edbi ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t))<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng con s\u1ed1 ma thu\u1eadt. Ch\u00fang l\u00e0 nh\u1eefng t\u1ecda \u0111\u1ed9 xu\u1ea5t ph\u00e1t \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n gi\u00fap b\u1ea1n ti\u1ebfp c\u1eadn \u0111\u1ee7 g\u1ea7n v\u1edbi d\u1ea3i chi\u1ebft xu\u1ea5t v\u00e0ng, \u0111\u1ec3 ng\u1ee5m n\u1ebfm \u0111\u1ea7u ti\u00ean mang l\u1ea1i cho b\u1ea1n th\u00f4ng tin h\u1eefu \u00edch, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea sai l\u1ec7ch qu\u00e1 xa \u0111\u1ebfn m\u1ee9c b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ecdc ra t\u00edn hi\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/perfectdailygrind.com\/2015\/07\/barista-certified-rules-for-dialing-in-your-coffee-grinder\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Barista chuy\u00ean nghi\u1ec7p Jonathan Prestidge<\/strong><\/u><\/a> \u0111\u00e3 m\u00f4 t\u1ea3 v\u1ecb tr\u00ed xu\u1ea5t ph\u00e1t c\u1ee7a m\u00ecnh nh\u01b0 sau:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y xay c\u00e0 ph\u00ea l\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u1ee1 xay. N\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e0i \u0111\u1eb7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho lo\u1ea1i h\u1ea1t tr\u01b0\u1edbc \u0111\u00f3, tr\u1eeb khi c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t qu\u00e1 l\u1edbn v\u1ec1 profile rang c\u1ee7a ch\u00fang. Ban \u0111\u1ea7u t\u00f4i s\u1eed d\u1ee5ng li\u1ec1u l\u01b0\u1ee3ng xu\u1ea5t ph\u00e1t l\u00e0 16g v\u00e0 t\u1ef7 l\u1ec7 pha 50% (t\u1ee9c 1:2).&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u1ef1c gi\u00e1c \u0111\u00f3 (neo v\u00e0o m\u1ed9t th\u1ee9 \u0111\u00e3 bi\u1ebft r\u00f5, r\u1ed3i m\u1edbi \u0111i\u1ec1u ch\u1ec9nh) ch\u00ednh l\u00e0 logic c\u1ed1t l\u00f5i \u0111\u1eb1ng sau quy tr\u00ecnh n\u00e0y. B\u1ea1n b\u1eaft bu\u1ed9c c\u1ea7n m\u1ed9t \u0111\u01b0\u1eddng c\u01a1 s\u1edf tr\u01b0\u1edbc khi c\u00e1c d\u1eef li\u1ec7u b\u1eaft \u0111\u1ea7u mang \u00fd ngh\u0129a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 2: N\u1ebfm Th\u1eed V\u00e0 S\u1eed D\u1ee5ng La B\u00e0n H\u01b0\u01a1ng V\u1ecb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y pha t\u00e1ch \u0111\u1ea7u ti\u00ean \u1edf \u0111\u00fang t\u1ef7 l\u1ec7 b\u1ea1n \u0111\u00e3 c\u1ed1 \u0111\u1ecbnh. Sau \u0111\u00f3 n\u1ebfm th\u1eed c\u00f3 ch\u1ee7 \u0111\u00edch, s\u1eed d\u1ee5ng la b\u00e0n h\u01b0\u01a1ng v\u1ecb \u0111\u00e3 n\u00eau \u1edf ph\u1ea7n tr\u01b0\u1edbc l\u00e0m c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chua g\u1eaft, s\u1eafc nh\u1ecdn, lo\u00e3ng to\u1eb9t?<\/strong> Chi\u1ebft xu\u1ea5t ch\u01b0a t\u1edbi (Under-extracted). N\u01b0\u1edbc ch\u01b0a k\u00e9o \u0111\u1ee7 ch\u1ea5t ra kh\u1ecfi b\u1ed9t.<\/li>\n\n\n\n<li><strong>\u0110\u1eafng \u0111\u00f3t, kh\u00f4 kh\u1ed1c, r\u1ed7ng tu\u1ebfch?<\/strong> Chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 (Over-extracted). N\u01b0\u1edbc \u0111\u00e3 k\u00e9o qu\u00e1 xa v\u00e0 l\u00f4i c\u1ea3 nh\u1eefng h\u1ee3p ch\u1ea5t th\u00f4 r\u00e1p v\u00e0o t\u00e1ch.<\/li>\n\n\n\n<li><strong>Ng\u1ecdt ng\u00e0o, c\u00e2n b\u1eb1ng, ph\u1ee9c h\u1ee3p?<\/strong> B\u1ea1n \u0111\u00e3 n\u1eb1m trong d\u1ea3i v\u00e0ng. Gi\u1edd b\u1ea1n ch\u1ec9 c\u1ea7n g\u1ecdt gi\u0169a th\u00eam n\u1ebfu mu\u1ed1n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u1ee5m n\u1ebfm n\u00e0y ch\u00ednh l\u00e0 \u0111i\u1ec3m d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Thi\u1ebfu n\u00f3, m\u1ecdi s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh ti\u1ebfp theo ch\u1ec9 l\u00e0 tr\u00f2 tung \u0111\u1ed3ng xu may r\u1ee7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 3: \u0110i\u1ec1u Ch\u1ec9nh K\u00edch Th\u01b0\u1edbc Xay \u0110\u1ea7u Ti\u00ean<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ee1 xay l\u00e0 chi\u1ebfc \u0111\u00f2n b\u1ea9y \u0111\u1ea7u ti\u00ean chu\u1ea9n x\u00e1c nh\u1ea5t v\u00ec n\u00f3 tr\u1ef1c ti\u1ebfp ki\u1ec3m so\u00e1t th\u1eddi gian ti\u1ebfp x\u00fac v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t \u2014 hai y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 chi\u1ebft xu\u1ea5t c\u00e0 ph\u00ea. T\u1ef7 l\u1ec7 v\u00e0 nhi\u1ec7t \u0111\u1ed9 ch\u1ec9 l\u00e0m nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u ti\u1ebft. C\u1ee1 xay m\u1edbi l\u00e0 th\u1ee9 thi\u1ebft l\u1eadp nh\u1ecbp \u0111i\u1ec7u.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00e1ch b\u1ecb chua g\u1eaft \u2192 h\u00e3y xay m\u1ecbn h\u01a1n.<\/strong> H\u1ea1t nh\u1ecf h\u01a1n, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn h\u01a1n, th\u1eddi gian ti\u1ebfp x\u00fac hi\u1ec7u d\u1ee5ng d\u00e0i h\u01a1n. N\u01b0\u1edbc s\u1ebd chi\u1ebft xu\u1ea5t \u0111\u01b0\u1ee3c nhi\u1ec1u ch\u1ea5t h\u01a1n.<\/li>\n\n\n\n<li><strong>T\u00e1ch b\u1ecb \u0111\u1eafng ch\u00e1t \u2192 h\u00e3y xay th\u00f4 h\u01a1n.<\/strong> H\u1ea1t to h\u01a1n, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t nh\u1ecf h\u01a1n, d\u00f2ng n\u01b0\u1edbc ch\u1ea3y nhanh h\u01a1n. N\u01b0\u1edbc s\u1ebd chi\u1ebft xu\u1ea5t \u00edt ch\u1ea5t h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n m\u1ed9t l\u1ea7n ch\u1ec9nh c\u1ee1 xay. Pha l\u1ea1i. N\u1ebfm l\u1ea1i. Trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p, b\u1ea1n s\u1ebd thu h\u1eb9p \u0111\u01b0\u1ee3c h\u1ea7u h\u1ebft kho\u1ea3ng c\u00e1ch sai l\u1ec7ch ch\u1ec9 sau b\u01b0\u1edbc duy nh\u1ea5t n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 4: Tinh Ch\u1ec9nh B\u1eb1ng Nhi\u1ec7t \u0110\u1ed9 Ho\u1eb7c Th\u1eddi Gian \u2014 Nh\u01b0ng Ph\u1ea3i Ph\u00e2n Bi\u1ec7t R\u00f5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t khi c\u1ee1 xay \u0111\u00e3 \u0111\u01b0a b\u1ea1n \u0111\u1ebfn g\u1ea7n \u0111\u00edch, nh\u1eefng tinh ch\u1ec9nh nh\u1ecf v\u1ec1 nhi\u1ec7t \u0111\u1ed9 s\u1ebd ho\u00e0n t\u1ea5t n\u1ed1t ph\u1ea7n vi\u1ec7c c\u00f2n l\u1ea1i. C\u00e1c m\u1ebb rang nh\u1ea1t c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c (v\u00e0 th\u01b0\u1eddng h\u01b0\u1edfng l\u1ee3i t\u1eeb) m\u1ee9c n\u01b0\u1edbc ti\u1ec7m c\u1eadn 96\u00b0C. C\u00e1c m\u1ebb rang \u0111\u1eadm c\u00f3 xu h\u01b0\u1edbng b\u1ecb \u0111\u1eafng r\u1ea5t nhanh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, v\u00ec th\u1ebf k\u00e9o nhi\u1ec7t \u0111\u1ed9 v\u1ec1 m\u1ee9c 90\u00b0C s\u1ebd b\u1ea3o v\u1ec7 h\u01b0\u01a1ng v\u1ecb c\u1ee7a t\u00e1ch c\u00e0 ph\u00ea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eddi gian l\u00e0 n\u01a1i \u0111a s\u1ed1 ng\u01b0\u1eddi m\u1edbi v\u1ea5p ph\u1ea3i m\u1ed9t b\u1ee9c t\u01b0\u1eddng v\u00f4 h\u00ecnh, v\u00e0 ch\u00fang ta c\u1ea7n d\u1eebng l\u1ea1i \u1edf \u0111\u00e2y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m \u1ee7 (French press, AeroPress):<\/strong> th\u1eddi gian pha l\u00e0 m\u1ed9t bi\u1ebfn s\u1ed1 tr\u1ef1c ti\u1ebfp. B\u1ea1n b\u1ea5m gi\u1edd, b\u1ea1n \u1ea5n piston, b\u1ea1n ho\u00e0n to\u00e0n ki\u1ec3m so\u00e1t n\u00f3 100%. N\u1ebfu b\u00ecnh French press c\u1ee7a b\u1ea1n n\u1ebfm th\u1ea5y b\u1ecb chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0, vi\u1ec7c ng\u00e2m trong 3 ph\u00fat thay v\u00ec 4 ph\u00fat l\u00e0 m\u1ed9t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh th\u1ef1c t\u1ebf v\u00e0 r\u1ea5t s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ea9m th\u1ea5u (Pour-over, Drip):<\/strong> th\u1eddi gian l\u00e0 m\u1ed9t <em>k\u1ebft qu\u1ea3 ph\u00e1i sinh<\/em>. N\u00f3 l\u00e0 h\u1ec7 qu\u1ea3 sinh ra t\u1eeb k\u00edch th\u01b0\u1edbc xay, lo\u1ea1i gi\u1ea5y l\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt r\u00f3t c\u1ee7a b\u1ea1n. B\u1ea1n kh\u00f4ng ki\u1ec3m so\u00e1t n\u00f3 tr\u1ef1c ti\u1ebfp. N\u1ebfu ph\u1ec5u pour-over c\u1ee7a b\u1ea1n ch\u1ea3y qu\u00e1 l\u00e2u v\u00e0 b\u1ecb \u0111\u1eafng ch\u00e1t, ph\u1ea3n x\u1ea1 t\u1ef1 nhi\u00ean c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi l\u00e0 r\u00f3t nhanh h\u01a1n \u0111\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian ti\u1ebfp x\u00fac \u2014 \u0111i\u1ec1u n\u00e0y nghe c\u00f3 v\u1ebb h\u1ee3p l\u00fd nh\u01b0ng th\u01b0\u1eddng l\u00e0m m\u1ecdi chuy\u1ec7n t\u1ed3i t\u1ec7 h\u01a1n. R\u00f3t nhanh h\u01a1n s\u1ebd l\u00e0m t\u0103ng s\u1ef1 khu\u1ea5y \u0111\u1ea3o (agitation) tr\u00ean b\u1ec1 m\u1eb7t ph\u1ec5u, \u0111i\u1ec1u n\u00e0y th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 chi\u1ebft xu\u1ea5t c\u1ee5c b\u1ed9 ngay c\u1ea3 khi t\u1ed5ng th\u1eddi gian pha gi\u1ea3m xu\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con \u0111\u01b0\u1eddng chu\u1ea9n x\u00e1c tr\u00ean ph\u1ec5u pour-over l\u00e0 h\u00e3y xay th\u00f4 h\u01a1n. Thao t\u00e1c \u0111\u00f3 th\u1ef1c s\u1ef1 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, r\u00fat ng\u1eafn th\u1eddi gian ti\u1ebfp x\u00fac v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng chi\u1ebft xu\u1ea5t \u2014 t\u1ea5t c\u1ea3 t\u1eeb m\u1ed9t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh duy nh\u1ea5t, g\u1ecdn g\u00e0ng. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u0111i\u1ec3m ph\u00e2n \u0111\u1ecbnh gi\u1eefa nh\u1eefng ng\u01b0\u1eddi hi\u1ec7u chu\u1ea9n nhanh ch\u00f3ng v\u00e0 nh\u1eefng ng\u01b0\u1eddi loay hoay \u0111u\u1ed5i theo c\u00e1i b\u00f3ng c\u1ee7a m\u00ecnh su\u1ed1t nhi\u1ec1u tu\u1ea7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f9ng M\u1ed9t Khung Ph\u01b0\u01a1ng Ph\u00e1p Cho M\u1ecdi D\u1ee5ng C\u1ee5 Pha Ch\u1ebf<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u01b0\u01a1ng Ph\u00e1p Pha<\/th><th>T\u1ef7 L\u1ec7 Xu\u1ea5t Ph\u00e1t<\/th><th>Ki\u1ec3m So\u00e1t Th\u1eddi Gian<\/th><\/tr><\/thead><tbody><tr><td>Pour-over<\/td><td>1:16<\/td><td>Ph\u1ee5 thu\u1ed9c (do c\u1ee1 xay quy\u1ebft \u0111\u1ecbnh)<\/td><\/tr><tr><td>M\u00e1y pha drip<\/td><td>1:16<\/td><td>Ph\u1ee5 thu\u1ed9c (do c\u1ee1 xay quy\u1ebft \u0111\u1ecbnh)<\/td><\/tr><tr><td>French press<\/td><td>1:15<\/td><td>Tr\u1ef1c ti\u1ebfp<\/td><\/tr><tr><td>AeroPress<\/td><td>1:15\u20131:16<\/td><td>Tr\u1ef1c ti\u1ebfp<\/td><\/tr><tr><td>Cold brew<\/td><td>1:8 (c\u1ed1t \u0111\u1eadm \u0111\u1eb7c)<\/td><td>Tr\u1ef1c ti\u1ebfp (12\u201324 gi\u1edd)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f9ng c\u00e1c bi\u1ebfn s\u1ed1. C\u00f9ng tr\u00ecnh t\u1ef1 th\u1ef1c hi\u1ec7n. C\u00f9ng m\u1ed9t chi\u1ebfc la b\u00e0n h\u01b0\u01a1ng v\u1ecb. Ch\u1ec9 kh\u00e1c nhau \u1edf t\u1ecda \u0111\u1ed9 xu\u1ea5t ph\u00e1t ban \u0111\u1ea7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec7u Chu\u1ea9n L\u00e0 M\u1ed9t Quy Tr\u00ecnh Chu\u1ea9n, Kh\u00f4ng Ph\u1ea3i D\u1ea5u Hi\u1ec7u C\u1ee7a S\u1ef1 Th\u1ea5t B\u1ea1i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ecdi barista chuy\u00ean nghi\u1ec7p \u0111\u1ec1u ph\u1ea3i tr\u1ea3i qua chu\u1ed7i c\u00e1c b\u01b0\u1edbc n\u00e0y v\u1edbi m\u1ed7i t\u00fai c\u00e0 ph\u00ea m\u1edbi m\u1edf. C\u00e1c n\u00f4ng tr\u1ea1i kh\u00e1c nhau, ng\u00e0y rang kh\u00e1c nhau, ph\u01b0\u01a1ng ph\u00e1p s\u01a1 ch\u1ebf kh\u00e1c nhau \u2014 m\u1ed7i y\u1ebfu t\u1ed1 \u0111\u1ec1u l\u00e0m thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh chi\u1ebft xu\u1ea5t \u0111\u1ee7 \u0111\u1ec3 c\u00e0i \u0111\u1eb7t c\u1ee1 xay c\u0169 kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p n\u1eefa. Hi\u1ec7u chu\u1ea9n kh\u00f4ng ph\u1ea3i l\u00e0 b\u00e0i t\u1eadp ph\u1ee5 \u0111\u1ea1o cho nh\u1eefng ng\u01b0\u1eddi ch\u01b0a bi\u1ebft pha. \u0110\u00f3 l\u00e0 quy tr\u00ecnh v\u1eadn h\u00e0nh ti\u00eau chu\u1ea9n c\u1ee7a nh\u1eefng ng\u01b0\u1eddi hi\u1ec3u ngh\u1ec1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ee5c ti\u00eau trong l\u1ea7n pha \u0111\u1ea7u ti\u00ean v\u1edbi h\u1ea1t m\u1edbi kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea ho\u00e0n h\u1ea3o kh\u00f4ng t\u00ec v\u1ebft. M\u1ee5c ti\u00eau l\u00e0 thu v\u1ec1 nh\u1eefng d\u1eef li\u1ec7u h\u1eefu \u00edch. M\u1ed9t t\u00e1ch c\u00e0 ph\u00ea \u0111\u1ea7u ti\u00ean b\u1ecb chua kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 th\u1ea5t b\u1ea1i: \u0111\u00f3 l\u00e0 h\u1ec7 th\u1ed1ng \u0111ang ch\u1ec9 cho b\u1ea1n bi\u1ebft ch\u00ednh x\u00e1c b\u01b0\u1edbc ti\u1ebfp theo c\u1ea7n \u0111i v\u1ec1 \u0111\u00e2u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 to\u00e0n b\u1ed9 quy tr\u00ecnh hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n theo th\u1eddi gian th\u1ef1c, \u0111\u1ec3 b\u1ea1n th\u1ea5y r\u00f5 nh\u1ecbp \u0111i\u1ec7u th\u1ef1c t\u1ebf v\u1eadn h\u00e0nh ra sao: t\u1eeb vi\u1ec7c thi\u1ebft l\u1eadp t\u1ef7 l\u1ec7, n\u1ebfm th\u1eed, \u0111i\u1ec1u ch\u1ec9nh c\u1ee1 xay v\u00e0 n\u1ebfm l\u1ea1i:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Espresso Fundamentals | Grind &amp; Extraction\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/qFCtD2Q59D4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Khi C\u00e0 Ph\u00ea C\u1ee7a B\u1ea1n V\u1eabn C\u00f3 V\u1ecb B\u1ea5t Th\u01b0\u1eddng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n \u0111\u00e3 ch\u1ec9nh t\u1eebng bi\u1ebfn s\u1ed1 m\u1ed9t c\u00e1ch c\u00f3 ph\u01b0\u01a1ng ph\u00e1p. Nh\u01b0ng c\u00e0 ph\u00ea v\u1eabn ch\u01b0a ngon. Tr\u01b0\u1edbc khi nghi ng\u1edd kh\u1ea9u v\u1ecb hay quy tr\u00ecnh c\u1ee7a m\u00ecnh, h\u00e3y quay l\u1ea1i v\u1edbi la b\u00e0n h\u01b0\u01a1ng v\u1ecb: b\u1edfi v\u00ec l\u1ed7i v\u1ecb gi\u00e1c trong t\u00e1ch v\u1eabn l\u00e0 t\u00edn hi\u1ec7u ch\u1ea9n \u0111o\u00e1n \u0111\u00e1ng tin c\u1eady nh\u1ea5t m\u00e0 b\u1ea1n c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chua ngh\u0129a l\u00e0 chi\u1ebft xu\u1ea5t thi\u1ebfu. \u0110\u1eafng ngh\u0129a l\u00e0 chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0. Nh\u01b0ng hai l\u1ed7i v\u1ecb gi\u00e1c kh\u00e1c l\u1ea1i ti\u1ebft l\u1ed9 m\u1ed9t th\u00f4ng \u0111i\u1ec7p kh\u00e1c: v\u1ecb r\u1ed7ng v\u00e0 lo\u00e3ng to\u1eb9t ngh\u0129a l\u00e0 t\u1ef7 l\u1ec7 c\u1ee7a b\u1ea1n \u0111ang b\u1ecb l\u1ec7ch (qu\u00e1 nhi\u1ec1u n\u01b0\u1edbc so v\u1edbi l\u01b0\u1ee3ng b\u1ed9t). C\u00f2n v\u1ecb \u0111\u1ee5c m\u1edd v\u00e0 ph\u1eb3ng l\u1eb7ng g\u1ea7n nh\u01b0 lu\u00f4n ch\u1ec9 \u0111i\u1ec3m h\u1ea1t c\u00e0 ph\u00ea \u0111\u00e3 c\u0169 ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 v\u1ea5n \u0111\u1ec1, ch\u1ee9 ho\u00e0n to\u00e0n kh\u00f4ng ph\u1ea3i do k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng Bi\u1ebfn S\u1ed1 \u1ea8n M\u00e0 \u0110a S\u1ed1 C\u1ea9m Nang B\u1ecf Qua<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t khi b\u1ea1n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u1ed7i v\u1ecb gi\u00e1c ch\u1ee7 \u0111\u1ea1o v\u00e0 \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c bi\u1ebfn s\u1ed1 hi\u1ec3n hi\u1ec7n, v\u1ea5n \u0111\u1ec1 g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn \u0111ang \u1ea9n n\u1ea5p \u1edf m\u1ed9t trong 4 \u0111i\u1ec3m sau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/strong> l\u00e0 bi\u1ebfn s\u1ed1 b\u1ecb b\u1ecf qu\u00ean nhi\u1ec1u nh\u1ea5t khi pha c\u00e0 ph\u00ea t\u1ea1i nh\u00e0. N\u01b0\u1edbc qu\u00e1 c\u1ee9ng, qu\u00e1 m\u1ec1m ho\u1eb7c ch\u1ee9a clo kh\u00f4ng ch\u1ec9 c\u00f3 m\u00f9i v\u1ecb l\u1ea1: n\u00f3 l\u00e0m thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp h\u00e0nh vi v\u1eadt l\u00fd c\u1ee7a qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t. Kho\u00e1ng ch\u1ea5t d\u01b0 th\u1eeba trong n\u01b0\u1edbc c\u1ee9ng c\u1ea1nh tranh v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng v\u1ecb trong l\u00fac chi\u1ebft xu\u1ea5t. Clo l\u00e0m tri\u1ec7t ti\u00eau c\u00e1c n\u1ed1t h\u01b0\u01a1ng th\u01a1m m\u00e0 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng k\u00e9o ra ngo\u00e0i. N\u1ebfu b\u1ea1n \u0111\u00e3 hi\u1ec7u chu\u1ea9n m\u1ecdi th\u1ee9 m\u00e0 t\u00e1ch c\u00e0 ph\u00ea v\u1eabn ph\u1eb3ng l\u1eb7ng ho\u1eb7c ch\u00e1t g\u1eaft, h\u00e3y th\u1eed \u0111\u1ed5i sang n\u01b0\u1edbc l\u1ecdc m\u1ed9t l\u1ea7n v\u00e0 c\u1ea3m nh\u1eadn s\u1ef1 kh\u00e1c bi\u1ec7t. K\u1ebft qu\u1ea3 th\u01b0\u1eddng s\u1ebd khi\u1ebfn b\u1ea1n ng\u1ee1 ng\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng m\u00e1y xay<\/strong> \u0111\u1eb7t ra m\u1ed9t tr\u1ea7n gi\u1edbi h\u1ea1n c\u1ee9ng cho nh\u1eefng g\u00ec c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c. M\u1ed9t chi\u1ebfc m\u00e1y xay l\u01b0\u1ee1i dao kh\u00f4ng h\u1ec1 xay: n\u00f3 ch\u1ec9 \u0111\u1eadp v\u1ee1 v\u1ee5n h\u1ea1t. K\u1ebft qu\u1ea3 t\u1ea1o ra l\u00e0 m\u1ed9t m\u1edb h\u1ed7n h\u1ee3p v\u1eeba c\u00f3 b\u1ed9t m\u1ecbn v\u1eeba c\u00f3 h\u1ea1t to trong c\u00f9ng m\u1ed9t li\u1ec1u l\u01b0\u1ee3ng. N\u01b0\u1edbc t\u00ecm \u0111\u1ebfn c\u00e1c h\u1ea1t m\u1ecbn tr\u01b0\u1edbc, chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 th\u00e0nh v\u1ecb \u0111\u1eafng, r\u1ed3i l\u01b0\u1edbt qua c\u00e1c h\u1ea1t to m\u00e0 ch\u01b0a k\u1ecbp chi\u1ebft xu\u1ea5t h\u1ebft. B\u1ea1n nh\u1eadn v\u1ec1 c\u1ea3 v\u1ecb \u0111\u1eafng l\u1eabn v\u1ecb chua trong c\u00f9ng m\u1ed9t ng\u1ee5m u\u1ed1ng, v\u00e0 kh\u00f4ng m\u1ed9t c\u00e0i \u0111\u1eb7t c\u1ee1 xay n\u00e0o c\u00f3 th\u1ec3 s\u1eeda \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, b\u1edfi v\u1ea5n \u0111\u1ec1 kh\u00f4ng n\u1eb1m \u1edf c\u00e0i \u0111\u1eb7t: n\u00f3 n\u1eb1m \u1edf s\u1ef1 b\u1ea5t \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u00ednh ph\u1ed5 k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 t\u01b0\u01a1i c\u1ee7a h\u1ea1t<\/strong> l\u00e0 m\u1ed9t b\u00e0i to\u00e1n h\u00f3a h\u1ecdc thu\u1ea7n t\u00fay. C\u00e0 ph\u00ea li\u00ean t\u1ee5c th\u1ea5t tho\u00e1t c\u00e1c h\u1ee3p ch\u1ea5t th\u01a1m d\u1ec5 bay h\u01a1i sau khi rang. H\u1ea1t c\u00e0 ph\u00ea \u0111\u1ec3 qu\u00e1 3 \u0111\u1ebfn 4 tu\u1ea7n sau ng\u00e0y rang s\u1ebd c\u00f3 \u0111\u1eb7c t\u00ednh chi\u1ebft xu\u1ea5t ho\u00e0n to\u00e0n kh\u00e1c: c\u00e1c h\u1ee3p ch\u1ea5t t\u1ea1o n\u00ean \u0111\u1ed9 thanh s\u00e1ng v\u00e0 s\u1ef1 ph\u1ee9c h\u1ee3p \u0111\u00e3 nh\u1ea3 kh\u00ed bay \u0111i h\u1ebft. Nh\u1eefng g\u00ec c\u00f2n s\u00f3t l\u1ea1i s\u1ebd chi\u1ebft xu\u1ea5t ra m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea ph\u1eb3ng l\u00ec v\u00e0 \u1ee7 r\u0169 d\u00f9 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n c\u00f3 chu\u1ea9n x\u00e1c \u0111\u1ebfn \u0111\u00e2u. H\u00e3y lu\u00f4n ki\u1ec3m tra ng\u00e0y rang, ch\u1ee9 \u0111\u1eebng ch\u1ec9 nh\u00ecn v\u00e0o &#8220;h\u1ea1n s\u1eed d\u1ee5ng&#8221;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb<\/strong> l\u00e0 \u0111i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi m\u1edbi kh\u00f4ng bao gi\u1edd ng\u1edd t\u1edbi. R\u1ea5t nhi\u1ec1u d\u00f2ng m\u00e1y pha drip gia \u0111\u00ecnh kh\u00f4ng bao gi\u1edd \u0111\u1ea1t t\u1edbi ng\u01b0\u1ee1ng nhi\u1ec7t 90\u00b0C. M\u1ed9t s\u1ed1 d\u00f2ng m\u00e1y espresso b\u1eaft \u0111\u1ea7u shot \u1edf 93\u00b0C nh\u01b0ng k\u1ebft th\u00fac \u1edf 85\u00b0C (\u0111i\u1ec1u \u0111\u00f3 \u0111\u1ed3ng ngh\u0129a n\u1eeda \u0111\u1ea7u c\u1ee7a shot ch\u1ea1y \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u00f2n n\u1eeda sau ch\u1ea1y \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, t\u1ea1o ra t\u00ecnh tr\u1ea1ng v\u1eeba chi\u1ebft xu\u1ea5t th\u1eeba v\u1eeba chi\u1ebft xu\u1ea5t thi\u1ebfu \u0111\u1ed3ng th\u1eddi trong c\u00f9ng m\u1ed9t shot). Kh\u00f4ng m\u1ed9t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh c\u1ee1 xay n\u00e0o s\u1eeda \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, b\u1edfi bi\u1ebfn s\u1ed1 g\u00e2y l\u1ed7i kh\u00f4ng ph\u1ea3i c\u1ee1 xay: \u0111\u00f3 l\u00e0 gi\u1edbi h\u1ea1n v\u1eadt l\u00fd c\u1ee7a thi\u1ebft b\u1ecb m\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 th\u1ea5y cho \u0111\u1ebfn khi bi\u1ebft c\u00e1ch t\u00ecm ki\u1ebfm n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ecdc B\u1ea3ng Ch\u1ea9n \u0110o\u00e1n V\u00e0 Kh\u1eafc Ph\u1ee5c S\u1ef1 C\u1ed1<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>L\u1ed7i V\u1ecb Gi\u00e1c<\/th><th>Nguy\u00ean Nh\u00e2n C\u1ed1t L\u00f5i Kh\u1ea3 D\u0129<\/th><th>Bi\u1ec7n Ph\u00e1p Kh\u1eafc Ph\u1ee5c<\/th><\/tr><\/thead><tbody><tr><td>Chua g\u1eaft (Sour)<\/td><td>\u0110\u1ed9 t\u01b0\u01a1i c\u1ee7a h\u1ea1t, t\u1ef7 l\u1ec7 pha, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a m\u00e1y, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/td><td>D\u00f9ng h\u1ea1t m\u1edbi h\u01a1n; ch\u1ec9nh l\u1ea1i t\u1ef7 l\u1ec7 (gi\u1ea3m n\u01b0\u1edbc ho\u1eb7c t\u0103ng b\u1ed9t); \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9; \u0111\u1ed5i ngu\u1ed3n n\u01b0\u1edbc<\/td><\/tr><tr><td>\u0110\u1eafng ng\u1eaft (Bitter)<\/td><td>Ch\u1ea5t l\u01b0\u1ee3ng m\u00e1y xay, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a m\u00e1y, t\u1ef7 l\u1ec7 pha, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/td><td>C\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee1 xay; \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9; \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7; \u0111\u1ed5i ngu\u1ed3n n\u01b0\u1edbc<\/td><\/tr><tr><td>R\u1ed7ng tu\u1ebfch (Hollow)<\/td><td>\u0110\u1ed9 t\u01b0\u01a1i c\u1ee7a h\u1ea1t, t\u1ef7 l\u1ec7 pha, ch\u1ea5t l\u01b0\u1ee3ng m\u00e1y xay<\/td><td>D\u00f9ng h\u1ea1t t\u01b0\u01a1i m\u1edbi h\u01a1n; ch\u1ec9nh l\u1ea1i t\u1ef7 l\u1ec7 (t\u0103ng l\u01b0\u1ee3ng b\u1ed9t); c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee1 xay<\/td><\/tr><tr><td>Kh\u00f4 ch\u00e1t (Astringent)<\/td><td>Ch\u1ea5t l\u01b0\u1ee3ng m\u00e1y xay, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a m\u00e1y, t\u1ef7 l\u1ec7 pha<\/td><td>C\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee1 xay; \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9; \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7 pha<\/td><\/tr><tr><td>M\u1edd m\u1ecbt \/ \u1ee6 r\u0169 (Dull)<\/td><td>\u0110\u1ed9 t\u01b0\u01a1i c\u1ee7a h\u1ea1t, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, t\u1ef7 l\u1ec7 pha<\/td><td>D\u00f9ng h\u1ea1t m\u1edbi rang; \u0111\u1ed5i ngu\u1ed3n n\u01b0\u1edbc \u0111\u1ea1t chu\u1ea9n; \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7<\/td><\/tr><tr><td>Ph\u1eb3ng l\u1eb7ng \/ Nh\u1ea1t nh\u1ebdo (Flat)<\/td><td>\u0110\u1ed9 t\u01b0\u01a1i c\u1ee7a h\u1ea1t, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a m\u00e1y, t\u1ef7 l\u1ec7 pha, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/td><td>D\u00f9ng h\u1ea1t m\u1edbi rang; \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 pha; \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7; \u0111\u1ed5i ngu\u1ed3n n\u01b0\u1edbc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111\u00e3 l\u00e0m vi\u1ec7c m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng qua b\u1ea3ng \u0111\u1ed1i chi\u1ebfu n\u00e0y (qua nhi\u1ec1u l\u1ea7n pha kh\u00e1c nhau, ch\u1ec9 ch\u1ec9nh duy nh\u1ea5t m\u1ed9t bi\u1ebfn s\u1ed1 m\u1ed7i l\u1ea7n) m\u00e0 c\u00f9ng m\u1ed9t l\u1ed7i v\u1ecb gi\u00e1c v\u1eabn ngoan c\u1ed1 xu\u1ea5t hi\u1ec7n, l\u1eddi ch\u1ea9n \u0111o\u00e1n ch\u00e2n th\u00e0nh nh\u1ea5t l\u00e0 do thi\u1ebft b\u1ecb. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 th\u1ea5t b\u1ea1i trong quy tr\u00ecnh c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 s\u1ef1 th\u1eadt ch\u1ea9n \u0111o\u00e1n. M\u1ed9t s\u1ed1 c\u1ed7 m\u00e1y \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ec3 th\u1ef1c thi nh\u1eefng g\u00ec khoa h\u1ecdc chi\u1ebft xu\u1ea5t \u0111\u00f2i h\u1ecfi. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 s\u1ebd b\u1ea3o v\u1ec7 s\u1ef1 t\u1ef1 tin c\u1ee7a b\u1ea1n v\u00e0o v\u1ecb gi\u00e1c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a ch\u00ednh m\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/perfectdailygrind.com\/2017\/05\/video-scott-rao-on-understanding-extraction-tds-refractometers\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Chuy\u00ean gia Scott Rao<\/strong><\/u><\/a>, t\u00e1c gi\u1ea3 cu\u1ed1n <em>The Professional Barista&#8217;s Handbook<\/em> v\u00e0 <em>Espresso Extraction: Measurement and Mastery<\/em>, \u0111\u00e3 \u0111\u00fac k\u1ebft m\u1ed1i quan h\u1ec7 gi\u1eefa vi\u1ec7c \u0111o l\u01b0\u1eddng v\u00e0 v\u1ecb gi\u00e1c v\u00f4 c\u00f9ng chu\u1ea9n x\u00e1c:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Tr\u01b0\u1edbc ti\u00ean, Scott Rao nh\u1ea5n m\u1ea1nh r\u1eb1ng vi\u1ec7c \u0111o l\u01b0\u1eddng chi\u1ebft xu\u1ea5t kh\u00f4ng th\u1ec3 thay th\u1ebf cho v\u1ecb gi\u00e1c (nh\u01b0ng khi m\u1ed9t barista hay ng\u01b0\u1eddi pha t\u1ea1i nh\u00e0 k\u1ebft h\u1ee3p c\u1ea3 hai y\u1ebfu t\u1ed1 n\u00e0y, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 th\u1ea5u hi\u1ec3u s\u00e2u s\u1eafc h\u01a1n v\u1ec1 c\u00e0 ph\u00ea, t\u1ea1o ra nh\u1eefng t\u00e1ch c\u00e0 ph\u00ea ngon h\u01a1n v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t tr\u1ed9i trong t\u1eebng m\u1ebb pha).&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 k\u1ebft h\u1ee3p \u0111\u00f3 (v\u00f2m h\u1ecdng c\u1ee7a b\u1ea1n \u0111\u1ecdc t\u00edn hi\u1ec7u c\u1ea3m quan, s\u1ef1 th\u1ea5u hi\u1ec3u khung ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a b\u1ea1n ch\u1ec9 ra nguy\u00ean nh\u00e2n) ch\u00ednh l\u00e0 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. Chi\u1ebft xu\u1ea5t c\u00e0 ph\u00ea kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t m\u1edb quy t\u1eafc b\u1ea1n l\u00e0m theo cho \u0111\u1ebfn khi g\u1eb7p s\u1ef1 c\u1ed1. N\u00f3 l\u00e0 m\u1ed9t chu\u1ed7i nh\u00e2n qu\u1ea3 logic. M\u1ecdi l\u1ed7i v\u1ecb gi\u00e1c \u0111\u1ec1u c\u00f3 ngu\u1ed3n g\u1ed1c v\u1eadt l\u00fd. M\u1ecdi ngu\u1ed3n g\u1ed1c v\u1eadt l\u00fd \u0111\u1ec1u c\u00f3 m\u1ed9t chi\u1ebfc \u0111\u00f2n b\u1ea9y m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 v\u1edbi t\u1edbi. M\u1ed9t khi \u0111\u00e3 hi\u1ec3u th\u1ea5u chu\u1ed7i nh\u00e2n qu\u1ea3 \u0111\u00f3, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i h\u1ecdc v\u1eb9t c\u00e1c m\u1eb9o ch\u1eefa ch\u00e1y: b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 suy lu\u1eadn \u0111\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p \u0111\u00fang \u0111\u1eafn, tr\u00ean b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o, v\u1edbi b\u1ea5t k\u1ef3 t\u00fai c\u00e0 ph\u00ea n\u00e0o b\u1ea1n c\u1ea7m tr\u00ean tay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f3 ch\u00ednh l\u00e0 khung ph\u01b0\u01a1ng ph\u00e1p. Gi\u1edd \u0111\u00e2y n\u00f3 ho\u00e0n to\u00e0n thu\u1ed9c v\u1ec1 b\u1ea1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng \u0110i\u1ec3m C\u1ed1t L\u00f5i V\u1ec1 Chi\u1ebft Xu\u1ea5t C\u00e0 Ph\u00ea<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00edch th\u01b0\u1edbc xay l\u00e0 bi\u1ebfn s\u1ed1 t\u1ed5ng ch\u1ec9 huy; thay \u0111\u1ed5i n\u00f3 s\u1ebd l\u00e0m d\u1ecbch chuy\u1ec3n to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng cong chi\u1ebft xu\u1ea5t, v\u00ec v\u1eady h\u00e3y hi\u1ec7u chu\u1ea9n c\u1ee1 xay tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec kh\u00e1c.<\/li>\n\n\n\n<li>Chua ngh\u0129a l\u00e0 chi\u1ebft xu\u1ea5t thi\u1ebfu v\u00e0 \u0111\u1eafng ngh\u0129a l\u00e0 chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 \u2014 v\u1ecb gi\u00e1c c\u1ee7a b\u1ea1n l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n chu\u1ea9n x\u00e1c, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t \u00fd ki\u1ebfn vu v\u01a1.<\/li>\n\n\n\n<li>H\u00f3a h\u1ecdc c\u1ee7a n\u01b0\u1edbc \u00e2m th\u1ea7m ki\u1ec3m so\u00e1t hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t; n\u1ebfu m\u1ecdi tinh ch\u1ec9nh c\u1ee7a b\u1ea1n \u0111\u1ec1u kh\u00f4ng hi\u1ec7u qu\u1ea3, th\u1ee7 ph\u1ea1m th\u01b0\u1eddng l\u00e0 do h\u00e0m l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc b\u1ecb l\u1ec7ch.<\/li>\n\n\n\n<li>Hi\u1ec7u chu\u1ea9n t\u1eebng bi\u1ebfn s\u1ed1 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m s\u1ebd bi\u1ebfn vi\u1ec7c pha c\u00e0 ph\u00ea t\u1eeb m\u1ed9t tr\u00f2 ch\u01a1i may r\u1ee7i th\u00e0nh m\u1ed9t quy tr\u00ecnh khoa h\u1ecdc c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i \u1ed5n \u0111\u1ecbnh.<\/li>\n\n\n\n<li>M\u00e1y xay \u0111\u0129a nghi\u1ec1n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t m\u00f3n \u0111\u1ed3 xa x\u1ec9 \u2014 n\u00f3 l\u00e0 ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u cho chi\u1ebft xu\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u; m\u00e1y xay l\u01b0\u1ee1i dao \u0111\u1ea3m b\u1ea3o s\u1ebd t\u1ea1o ra h\u01b0\u01a1ng v\u1ecb \u0111\u1ee5c ng\u1ea7u v\u00e0 l\u1eabn l\u1ed9n.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 Chi\u1ebft Xu\u1ea5t C\u00e0 Ph\u00ea<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecfi: Quy t\u1eafc 80\/20 trong chi\u1ebft xu\u1ea5t c\u00e0 ph\u00ea l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1p: Quy t\u1eafc 80\/20 trong chi\u1ebft xu\u1ea5t kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng k\u00edch th\u01b0\u1edbc xay quy\u1ebft \u0111\u1ecbnh 80% k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea1n. B\u1edfi v\u00ec n\u00f3 ki\u1ec3m so\u00e1t di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, n\u00f3 thi\u1ebft l\u1eadp nh\u1ecbp \u0111i\u1ec7u cho t\u1ed1c \u0111\u1ed9 h\u00f2a tan c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng v\u1ecb. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian ch\u1ec9 l\u00e0m nhi\u1ec7m v\u1ee5 tinh ch\u1ec9nh, nh\u01b0ng n\u1ebfu c\u1ee1 xay c\u1ee7a b\u1ea1n b\u1ecb l\u1ec7ch ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng m\u1ed9t bi\u1ebfn s\u1ed1 n\u00e0o kh\u00e1c c\u00f3 th\u1ec3 b\u00f9 \u0111\u1eafp tr\u1ecdn v\u1eb9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecfi: V\u00ec sao t\u00e1ch c\u00e0 ph\u00ea c\u1ee7a t\u00f4i v\u1eeba c\u00f3 v\u1ecb \u0111\u1eafng ng\u1eaft l\u1ea1i v\u1eeba c\u00f3 v\u1ecb chua lo\u00e9t c\u00f9ng m\u1ed9t l\u00fac?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1p: V\u1eeba \u0111\u1eafng v\u1eeba chua trong c\u00f9ng m\u1ed9t ng\u1ee5m l\u00e0 t\u00edn hi\u1ec7u c\u1ee7a chi\u1ebft xu\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. Khi c\u00e1c h\u1ea1t b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau \u2014 t\u00ecnh tr\u1ea1ng kinh \u0111i\u1ec3n \u1edf m\u00e1y xay l\u01b0\u1ee1i dao \u2014 c\u00e1c h\u1ea1t b\u1ee5i m\u1ecbn s\u1ebd b\u1ecb chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 th\u00e0nh v\u1ecb \u0111\u1eafng trong khi c\u00e1c h\u1ea1t th\u00f4 to l\u1ea1i b\u1ecb chi\u1ebft xu\u1ea5t thi\u1ebfu th\u00e0nh v\u1ecb chua g\u1eaft. Gi\u1ea3i ph\u00e1p l\u00e0 n\u00e2ng c\u1ea5p l\u00ean m\u00e1y xay \u0111\u0129a nghi\u1ec1n \u0111\u1ec3 c\u00f3 c\u00e1c h\u1ea1t b\u1ed9t \u0111\u1ed3ng nh\u1ea5t gi\u00fap n\u01b0\u1edbc chi\u1ebft xu\u1ea5t \u0111\u1ec1u \u0111\u1eb7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecfi: T\u00f4i c\u00f3 c\u1ea7n kh\u00fac x\u1ea1 k\u1ebf \u0111\u1ec3 pha c\u00e0 ph\u00ea ngon t\u1ea1i nh\u00e0 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1p: Kh\u00f4ng c\u1ea7n. Kh\u00fac x\u1ea1 k\u1ebf \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t, nh\u01b0ng n\u00f3 l\u00e0 c\u00f4ng c\u1ee5 chuy\u00ean nghi\u1ec7p cho ph\u00f2ng th\u00ed nghi\u1ec7m ho\u1eb7c qu\u00e1n c\u00e0 ph\u00ea l\u1edbn. B\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 hi\u1ec7u chu\u1ea9n xu\u1ea5t s\u1eafc b\u1eb1ng ch\u00ednh v\u1ecb gi\u00e1c c\u1ee7a m\u00ecnh: chua ngh\u0129a l\u00e0 c\u1ea7n \u0111\u1ea9y chi\u1ebft xu\u1ea5t l\u00ean cao h\u01a1n, \u0111\u1eafng ngh\u0129a l\u00e0 c\u1ea7n k\u00e9o chi\u1ebft xu\u1ea5t l\u00f9i l\u1ea1i. D\u1ea3i 18\u201322% l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh t\u01b0 duy \u0111\u1ecbnh h\u01b0\u1edbng, kh\u00f4ng ph\u1ea3i m\u1ed9t ph\u00e9p \u0111o b\u1eaft bu\u1ed9c m\u1ed7i s\u00e1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecfi: \u0110\u1ed9 t\u01b0\u01a1i c\u1ee7a h\u1ea1t l\u00e0m thay \u0111\u1ed5i h\u00f3a h\u1ecdc chi\u1ebft xu\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1p: Khi c\u00e0 ph\u00ea \u0111\u1ec3 qu\u00e1 3 \u0111\u1ebfn 4 tu\u1ea7n sau ng\u00e0y rang, c\u00e1c h\u1ee3p ch\u1ea5t th\u01a1m d\u1ec5 bay h\u01a1i s\u1ebd tho\u00e1t kh\u00ed h\u1ebft v\u00e0 tinh d\u1ea7u b\u1ecb oxy h\u00f3a. Nh\u1eefng h\u1ee3p ch\u1ea5t th\u1ea5t tho\u00e1t n\u00e0y v\u1ed1n l\u00e0 nh\u1eefng ch\u1ea5t d\u1ec5 h\u00f2a tan nh\u1ea5t v\u00e0 mang l\u1ea1i \u0111\u1ed9 t\u01b0\u01a1i s\u00e1ng cho t\u00e1ch c\u00e0 ph\u00ea. Chi\u1ebft xu\u1ea5t l\u00fac n\u00e0y tr\u1edf n\u00ean ph\u1eb3ng l\u00ec v\u00e0 nh\u1ea1t nh\u00f2a v\u00ec n\u01b0\u1edbc c\u00f3 \u00edt v\u1eadt ch\u1ea5t s\u1ed1ng \u0111\u1ed9ng \u0111\u1ec3 h\u00f2a tan, d\u00f9 b\u1ea1n c\u00f3 pha chu\u1ea9n x\u00e1c \u0111\u1ebfn \u0111\u00e2u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecfi: V\u00ec sao m\u00e1y pha espresso \u0111\u1eaft ti\u1ec1n c\u1ee7a t\u00f4i v\u1eabn kh\u00f4ng \u0111\u1ea3m b\u1ea3o ra \u0111\u01b0\u1ee3c shot ngon?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1p: Ngay c\u1ea3 nh\u1eefng c\u1ed7 m\u00e1y \u0111\u1eaft ti\u1ec1n c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u2014 t\u1ee5t m\u1ea5t kho\u1ea3ng 8\u00b0C gi\u1eefa ch\u1eebng khi chi\u1ebft xu\u1ea5t \u2014 t\u1ea1o ra t\u00ecnh tr\u1ea1ng v\u1eeba chi\u1ebft xu\u1ea5t thi\u1ebfu v\u1eeba chi\u1ebft xu\u1ea5t th\u1eeba \u0111\u1ed3ng th\u1eddi trong c\u00f9ng m\u1ed9t shot. K\u1ebft h\u1ee3p \u0111i\u1ec1u \u0111\u00f3 v\u1edbi m\u1ed9t chi\u1ebfc m\u00e1y xay t\u1ea7m th\u01b0\u1eddng ho\u1eb7c h\u1ea1t c\u00e0 ph\u00ea c\u0169, kh\u00f4ng m\u1ed9t c\u1ed7 m\u00e1y n\u00e0o c\u00f3 th\u1ec3 c\u1ee9u v\u00e3n \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 thi\u1ebfu \u1ed5n \u0111\u1ecbnh c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecfi: T\u00f4i c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c chi\u1ebft xu\u1ea5t cho c\u1ea3 h\u1ea1t rang nh\u1ea1t v\u00e0 rang \u0111\u1eadm kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1p: Kh\u00f4ng n\u00ean. H\u1ea1t rang nh\u1ea1t \u0111\u1eb7c h\u01a1n v\u00e0 c\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n (kho\u1ea3ng 96\u00b0C) \u0111\u1ec3 chi\u1ebft xu\u1ea5t tr\u1ecdn v\u1eb9n. H\u1ea1t rang \u0111\u1eadm l\u1ea1i x\u1ed1p r\u1ed7ng v\u00e0 chi\u1ebft xu\u1ea5t nhanh h\u01a1n nhi\u1ec1u; nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n (kho\u1ea3ng 90\u00b0C) s\u1ebd gi\u00fap ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng chi\u1ebft xu\u1ea5t qu\u00e1 \u0111\u00e0 g\u00e2y \u0111\u1eafng ch\u00e1t. Ph\u1edbt l\u1edd \u0111\u1ed9 h\u00f2a tan c\u1ee7a m\u1ee9c \u0111\u1ed9 rang s\u1ebd d\u1eabn \u0111\u1ebfn nh\u1eefng t\u00e1ch c\u00e0 ph\u00ea chua g\u1eaft ho\u1eb7c n\u1ed3ng m\u00f9i tro than.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00e0i Li\u1ec7u Tham Kh\u1ea3o<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Understanding Coffee Extraction for Your Perfect Cup &#8211; T\u1ea1p ch\u00ed Perfect Daily Grind<\/li>\n\n\n\n<li>Scott Rao Is One of the World&#8217;s Most Influential Coffee Thinkers, and Here&#8217;s Why &#8211; Sprudge<\/li>\n\n\n\n<li>Brewing Control Chart &#8211; Hi\u1ec7p h\u1ed9i C\u00e0 ph\u00ea \u0110\u1eb7c s\u1ea3n (SCA)<\/li>\n\n\n\n<li>How Hot is Hot Enough? Brew Temperature, Sensory Profile, and Consumer Acceptance of Brewed Coffee &#8211; Hi\u1ec7p h\u1ed9i C\u00e0 ph\u00ea \u0110\u1eb7c s\u1ea3n (SCA)<\/li>\n\n\n\n<li>Influence of Brew Temperature on Volatile Compounds in Espresso &#8211; ScienceDirect<\/li>\n\n\n\n<li>Barista Certified Rules for Dialing In Your Coffee Grinder &#8211; T\u1ea1p ch\u00ed Perfect Daily Grind<\/li>\n\n\n\n<li>Scott Rao on Understanding Extraction, TDS &#038; Refractometers &#8211; T\u1ea1p ch\u00ed Perfect Daily Grind<\/li>\n<\/ul>\n\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the 80\/20 rule of coffee extraction?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 80\/20 rule of extraction says grind size drives 80% of your result. Because it controls surface area, it sets the pace for how fast flavor compounds dissolve. Temperature and time fine-tune, but if your grind is inconsistent or wrong, no other variable can fully compensate.\"}},{\"@type\":\"Question\",\"name\":\"Why does my coffee taste both bitter and sour at the same time?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u0110\u1eafng ng\u1eaft (Bitter) and sour in one sip signals uneven extraction. When grinds are different sizes\u2014common with blade grinders\u2014fines over-extract into bitterness while boulders under-extract into sourness. The fix is a burr grinder for uniform particles so water extracts evenly.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a refractometer to brew great coffee at home?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. A refractometer measures extraction yield precisely, but it's a professional tool. You can dial in perfectly using your palate: sour means push extraction higher, bitter means pull it back. The 18-22% range is a mental model, not a mandatory measurement.\"}},{\"@type\":\"Question\",\"name\":\"How does bean freshness change extraction chemistry?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"As coffee ages past three weeks, volatile aromatics off-gas and oils oxidize. These lost compounds are the most soluble and bright-tasting. Extraction becomes flatter because the water has less vibrant material to dissolve, no matter how precisely you brew.\"}},{\"@type\":\"Question\",\"name\":\"Why doesn't my expensive espresso machine guarantee great shots?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Even high-end machines can have temperature instability\u2014dropping -9\u00b0C mid-shot\u2014which creates simultaneous under- and over-extraction. Pair that with a subpar grinder or stale beans, and no machine can rescue your consistency issue.\"}},{\"@type\":\"Question\",\"name\":\"Can I use the same extraction recipe for light and dark roasts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Light roasts are denser and need higher heat (near 96\u00b0C) to extract fully. Dark roasts are porous and extract faster; lower temperatures (91\u00b0C) prevent bitter over-extraction. 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Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng hi\u1ec3u bi\u1ebft n\u00e0y l\u00e0m n\u1ec1n t\u1ea3ng ch\u1ea9n \u0111o\u00e1n: khi vi\u1ec7c chi\u1ebft xu\u1ea5t g\u1eb7p s\u1ef1 c\u1ed1, v\u1ecb gi\u00e1c c\u1ee7a b\u1ea1n s\u1ebd ti\u1ebft l\u1ed9 ch\u00ednh x\u00e1c c\u00e1c h\u1ee3p ch\u1ea5t h\u00f2a tan b\u1ecb k\u00e9o ra qu\u00e1 \u00edt hay qu\u00e1 nhi\u1ec1u, v\u00e0 m\u1ecdi gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c \u0111\u1ec1u b\u1eaft ngu\u1ed3n t\u1eeb t\u00edn hi\u1ec7u c\u1ea3m quan \u0111\u00f3.<\/p>\n","protected":false},"author":1,"featured_media":49434,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":"","_members_access_role":[],"_members_access_error":"","rank_math_title":"Chi\u1ebft Xu\u1ea5t C\u00e0 Ph\u00ea: L\u00e0m Ch\u1ee7 M\u1ecdi Bi\u1ebfn S\u1ed1 Trong T\u00e1ch C\u1ee7a B\u1ea1n","rank_math_description":"C\u00e0 ph\u00ea d\u1edf kh\u00f4ng ph\u1ea3i do h\u1ea1t \u2014 m\u00e0 do l\u1ed7i chi\u1ebft xu\u1ea5t. 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