{"id":54350,"date":"2026-04-11T10:29:19","date_gmt":"2026-04-11T03:29:19","guid":{"rendered":"https:\/\/coffeefactz.com\/?p=54350"},"modified":"2026-09-10T13:31:06","modified_gmt":"2026-09-10T06:31:06","slug":"so-che-anaerobic-natural-huong-vi-funk","status":"publish","type":"post","link":"https:\/\/coffeefactz.com\/vi\/so-che-anaerobic-natural-huong-vi-funk\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh l\u00ean men tr\u00e1i c\u00e2y trong b\u1ed3n k\u00edn kh\u00ed t\u1ea1o n\u00ean h\u01b0\u01a1ng v\u1ecb funk c\u1ee7a c\u00e0 ph\u00ea s\u01a1 ch\u1ebf anaerobic natural nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">B\u1ea1n th\u1ea5y nh\u1eefng g\u00f3i c\u00e0 ph\u00ea d\u00e1n nh\u00e3n anaerobic v\u1edbi c\u00e1c n\u1ed1t h\u01b0\u01a1ng n\u1ebfm th\u1eed nh\u01b0 \u201cbom rum\u201d hay \u201cfunk\u201d, nh\u01b0ng qu\u00e1 tr\u00ecnh t\u1ea1o ra ch\u00fang th\u01b0\u1eddng mang c\u1ea3m gi\u00e1c nh\u01b0 m\u1ed9t chi\u1ebfc h\u1ed9p \u0111en. H\u1ea7u h\u1ebft c\u00e1c l\u1eddi gi\u1ea3i th\u00edch \u0111\u1ec1u d\u1eebng l\u1ea1i \u1edf nh\u1eefng l\u1eddi qu\u1ea3ng c\u00e1o, khi\u1ebfn b\u1ea1n ph\u1ea3i \u0111o\u00e1n gi\u00e0 \u0111o\u00e1n non v\u00ec sao m\u1ebb n\u00e0y c\u00f3 v\u1ecb ph\u1ee9c t\u1ea1p c\u00f2n m\u1ebb kia l\u1ea1i chua nh\u01b0 gi\u1ea5m. S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec <a href=\"https:\/\/coffeefactz.com\/vi\/anaerobic-coffee-processing\/\"><b><u>s\u01a1 ch\u1ebf anaerobic natural<\/u><\/b><\/a> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t t\u1eeb kh\u00f3a th\u00f4ng d\u1ee5ng; \u0111\u00f3 l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n sinh h\u1ecdc c\u1ee5 th\u1ec3 n\u01a1i to\u00e0n b\u1ed9 qu\u1ea3 c\u00e0 ph\u00ea l\u00ean men trong c\u00e1c b\u1ed3n k\u00edn m\u00e0 kh\u00f4ng c\u00f3 oxy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u \u0111\u01b0\u1ee3c c\u01a1 ch\u1ebf gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t ch\u1ea5t l\u01b0\u1ee3ng th\u1ef1c s\u1ef1 v\u1edbi s\u1ef1 t\u00ecnh c\u1edd. Vi\u1ec7c nh\u00ecn v\u00e0o b\u00ean trong b\u1ed3n cho th\u1ea5y l\u1edbp v\u1ecf qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 l\u1ecdc sinh h\u1ecdc ra sao v\u00e0 \u00e1p su\u1ea5t CO\u2082 quy\u1ebft \u0111\u1ecbnh t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc nh\u01b0 th\u1ebf n\u00e0o. M\u1ed9t khi b\u1ea1n hi\u1ec3u \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng \u0111\u1eb1ng sau n\u1eafp \u0111\u1eady k\u00edn, b\u1ea1n s\u1ebd kh\u00f4ng c\u1ea7n ph\u1ea3i h\u1ecdc thu\u1ed9c k\u1ecbch b\u1ea3n \u0111\u1ec3 bi\u1ebft m\u00ecnh \u0111ang n\u1ebfm g\u00ec hay v\u00ec sao n\u00f3 l\u1ea1i c\u00f3 gi\u00e1 \u0111\u00f3.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">S\u01a1 Ch\u1ebf Anaerobic Natural \u0110\u1ecbnh H\u00ecnh Vi\u1ec7c L\u00ean Men Nguy\u00ean Qu\u1ea3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u01a1 ch\u1ebf anaerobic natural ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t b\u1ed3n k\u00edn, v\u1eadn h\u00e0nh th\u00f4ng qua m\u1ed9t b\u1ed9 l\u1ecdc sinh h\u1ecdc v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng k\u1ef5 kh\u00ed. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00e1ch ly to\u00e0n b\u1ed9 qu\u1ea3 c\u00e0 ph\u00ea kh\u1ecfi oxy nh\u1eb1m h\u01b0\u1edbng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi sinh v\u1eadt t\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng v\u1ecb c\u1ee5 th\u1ec3. Nh\u1eefng nh\u00e0 s\u1ea3n xu\u1ea5t qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng sinh h\u1ecdc n\u00e0y b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 thay v\u00ec ph\u01a1i ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00ean Men K\u1ef5 Kh\u00ed \u0110\u1ecbnh H\u00ecnh Qu\u00e1 Tr\u00ecnh X\u1eed L\u00fd Nguy\u00ean Qu\u1ea3 Kh\u00f4ng C\u1ea7n Oxy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh l\u00ean men k\u1ef5 kh\u00ed di\u1ec5n ra kh\u00f4ng c\u00f3 oxy, ph\u00e2n bi\u1ec7t n\u00f3 v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ebfu kh\u00ed truy\u1ec1n th\u1ed1ng. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt n\u00e0y l\u00ean nguy\u00ean qu\u1ea3 c\u00e0 ph\u00ea thay v\u00ec h\u1ea1t \u0111\u00e3 x\u00e1t v\u1ecf nh\u1eb1m gi\u1eef nguy\u00ean l\u01b0\u1ee3ng \u0111\u01b0\u1eddng b\u00ean trong. L\u1edbp v\u1ecf qu\u1ea3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 bao quanh tr\u00e1i trong su\u1ed1t giai \u0111o\u1ea1n n\u00e0y. Vi\u1ec7c \u0111\u1eady k\u00edn b\u1ed3n th\u00fac \u0111\u1ea9y s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c t\u1eadp h\u1ee3p vi sinh v\u1eadt trong m\u00f4i tr\u01b0\u1eddng cung c\u1ea5p oxy h\u1ea1n ch\u1ebf. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng k\u00e9o d\u00e0i t\u1eeb 24 \u0111\u1ebfn 72 gi\u1edd tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u ph\u01a1i kh\u00f4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 nhi\u1ec1u lo\u1ea1i c\u00e0 ph\u00ea c\u00f3 th\u1ec3 tr\u1ea3i qua quy tr\u00ecnh n\u00e0y, m\u1ed9t s\u1ed1 <a href=\"https:\/\/coffeefactz.com\/vi\/cac-giong-ca-phe-tot-nhat-cho-so-che-ky-khi\/\"><b><u>gi\u1ed1ng c\u00e0 ph\u00ea cho l\u00ean men k\u1ef5 kh\u00ed<\/u><\/b><\/a> \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c h\u1ed3 s\u01a1 h\u01b0\u01a1ng v\u1ecb xu\u1ea5t s\u1eafc, dao \u0111\u1ed9ng t\u1eeb tr\u00e1i c\u00e2y, hoa c\u1ecf \u0111\u1ebfn s\u1ef1 phong ph\u00fa v\u00e0 ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ch\u1ecdn l\u1ef1a thi\u1ebft b\u1ecb chu\u1ea9n x\u00e1c l\u00e0 \u0111i\u1ec3m c\u1ed1t l\u00f5i \u0111\u1ec3 duy tr\u00ec m\u00f4i tr\u01b0\u1eddng n\u00e0y; b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1c lo\u1ea1i <a href=\"https:\/\/coffeefactz.com\/vi\/thung-len-men-ca-phe-anaerobic\/\"><b><u>b\u1ed3n s\u01a1 ch\u1ebf c\u00e0 ph\u00ea anaerobic<\/u><\/b><\/a> kh\u00e1c nhau bao g\u1ed3m th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 th\u00f9ng nh\u1ef1a HDPE \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh thi\u1ebft l\u1eadp c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c Ti\u00eau Ch\u00ed Ch\u1ea5t L\u01b0\u1ee3ng Quy\u1ebft \u0110\u1ecbnh K\u1ebft Qu\u1ea3 H\u01b0\u01a1ng V\u1ecb C\u1ee7a S\u01a1 Ch\u1ebf Anaerobic Natural<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t b\u00e1o c\u00e1o nh\u1eefng k\u1ebft qu\u1ea3 h\u01b0\u01a1ng v\u1ecb ch\u1ee7 \u0111\u1ea1o bao g\u1ed3m tr\u00e1i c\u00e2y nhi\u1ec7t \u0111\u1edbi, c\u00e1c n\u1ed1t gi\u1ed1ng r\u01b0\u1ee3u vang v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 mu\u1ed1i chua funk. K\u1ef9 thu\u1eadt n\u00e0y x\u1ebfp ch\u1ed3ng l\u00ean c\u00e1c bi\u1ebfn th\u1ec3 s\u01a1 ch\u1ebf kh\u00f4, \u01b0\u1edbt ho\u1eb7c honey \u0111\u1ec3 thay \u0111\u1ed5i h\u1ed3 s\u01a1 c\u1ee7a t\u00e1ch c\u00e0 ph\u00ea. L\u1eddi l\u1ebd ti\u1ebfp th\u1ecb th\u01b0\u1eddng nh\u1ea5n m\u1ea1nh v\u00e0o c\u00e1c t\u00ednh t\u1eeb k\u1ef3 l\u1ea1 trong khi l\u1edd \u0111i c\u00e1c th\u00f4ng s\u1ed1 th\u1ef1c t\u1ebf m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i qu\u1ea3n l\u00fd. Vi\u1ec7c ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t b\u1ed3n duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh trong su\u1ed1t kho\u1ea3ng th\u1eddi gian l\u00ean men. M\u1ed9t d\u1ed1c n\u1ed3ng \u0111\u1ed9 pH c\u1ee5 th\u1ec3 gi\u00fap c\u00e2n b\u1eb1ng vi sinh v\u1eadt \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 h\u01b0 h\u1ecfng. H\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a theo nhi\u1ec7t \u0111\u1ed9 b\u1ed3n \u0111\u1ec3 d\u1eabn d\u1eaft ho\u1ea1t \u0111\u1ed9ng c\u1ee7a enzyme. Cu\u1ed1i c\u00f9ng, ph\u1ea3n \u1ee9ng sinh h\u00f3a t\u1ea1o ra nh\u1eefng thay \u0111\u1ed5i trong h\u1ed3 s\u01a1 h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i. C\u00e1c ti\u00eau ch\u00ed ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u01a1 b\u1ea3n bao g\u1ed3m m\u1ee9c Brix v\u00e0 CO\u2082 c\u00f9ng v\u1edbi nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">N\u1ea1p C\u00e0 Ph\u00ea Nguy\u00ean Qu\u1ea3 V\u00e0o B\u1ed3n K\u00edn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t chi\u1ebfc b\u1ed3n k\u00edn duy tr\u00ec \u00e1p su\u1ea5t b\u1ed3n ch\u00ednh x\u00e1c v\u00e0 nhi\u1ec7t \u0111\u1ed9 b\u1ed3n t\u1ed1i \u01b0u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh l\u00ean men kh\u00f4ng c\u00f3 oxy. Vi\u1ec7c thi\u1ebft l\u1eadp n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 gi\u1eef kh\u00f4ng kh\u00ed b\u00ean ngo\u00e0i: n\u00f3 t\u1ea1o ra l\u1ef1c v\u1eadt l\u00fd c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea9y l\u01b0\u1ee3ng \u0111\u01b0\u1eddng t\u1eeb qu\u1ea3 v\u00e0o nh\u00e2n h\u1ea1t. Th\u1ef1c hi\u1ec7n \u0111\u00fang b\u01b0\u1edbc n\u00e0y s\u1ebd thi\u1ebft l\u1eadp b\u1ea7u kh\u00f4ng kh\u00ed k\u1ef5 kh\u00ed v\u00e0 c\u01a1 ch\u1ebf ng\u1ea5m \u0111\u01b0\u1eddng c\u1ed1t l\u00f5i cho s\u1ef1 ph\u00e1t tri\u1ec3n h\u01b0\u01a1ng v\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e2n Lo\u1ea1i v\u00e0 N\u1ea1p C\u00e0 Ph\u00ea Nguy\u00ean Qu\u1ea3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c \u0111\u1ed5 \u0111\u1ea7y b\u1ed3n n\u01b0\u1edbc \u0111\u1ec3 t\u00e1ch tr\u00e1i. Nh\u1eefng qu\u1ea3 nh\u1eb9, c\u00f3 l\u1ed7i s\u1ebd n\u1ed5i l\u00ean m\u1eb7t n\u01b0\u1edbc, cho ph\u00e9p b\u1ea1n v\u1edbt ch\u00fang ra tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng. Sau khi ph\u00e2n lo\u1ea1i, di chuy\u1ec3n nh\u1eefng qu\u1ea3 ch\u1eafc, kh\u1ecfe b\u1eb1ng m\u1ed9t chi\u1ebfc ph\u1ec5u ho\u1eb7c b\u0103ng chuy\u1ec1n nh\u1eb9 nh\u00e0ng \u0111\u1ec3 tr\u00e1nh d\u1eadp n\u00e1t. M\u1eadt \u0111\u1ed9 kh\u1ed1i n\u1ea1p \u0111\u1ed3ng \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng v\u00ec c\u00e1c kho\u1ea3ng tr\u1ed1ng c\u00f3 th\u1ec3 gi\u1eef l\u1ea1i oxy. Khi b\u1ea1n \u0111\u00f3ng n\u1eafp, van b\u1ed3n s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 k\u00edn kh\u00ed. H\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111i\u1ec1u ti\u1ebft d\u00f2ng ch\u1ea3y d\u1ef1a tr\u00ean \u00e1p su\u1ea5t b\u1ed3n nh\u1eb1m gi\u1eef cho m\u00f4i tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Video:<\/strong><\/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=\"How do you float Coffee Cherries? Step by Step Guide\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/4000E8Wcq-A?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<h3 class=\"wp-block-heading\">X\u1ea3 Oxy v\u00e0 Thi\u1ebft L\u1eadp Th\u00f4ng S\u1ed1 B\u1ed3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01a1m CO\u2082 \u0111\u1ec3 \u0111\u1ea9y h\u1ebft oxy d\u01b0 th\u1eeba, th\u01b0\u1eddng ch\u1ea1y kh\u00ed trong m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u1ecbnh s\u1eb5n cho \u0111\u1ebfn khi c\u00e1c c\u1ea3m bi\u1ebfn x\u00e1c nh\u1eadn \u0111\u1ed9 tinh khi\u1ebft. \u0110\u1eb7t m\u1ee9c nhi\u1ec7t ban \u0111\u1ea7u trong kho\u1ea3ng 15\u201318 \u00b0C cho qu\u00e1 tr\u00ecnh l\u00ean men di\u1ec5n ra ch\u1eadm r\u00e3i v\u00e0 \u0111\u1ec1u \u0111\u1eb7n. Nhi\u1ec7t \u0111\u1ed9 b\u1ed3n t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a n\u1ea5m men v\u00e0 vi khu\u1ea9n. B\u1ea1n c\u0169ng ph\u1ea3i ghi l\u1ea1i m\u1ee9c pH kh\u1edfi \u0111i\u1ec3m v\u00e0 \u0111o ch\u1ec9 s\u1ed1 Brix c\u1ee7a ph\u1ea7n d\u1ecbch ti\u1ebft ra khi tr\u00e1i b\u1eaft \u0111\u1ea7u ph\u00e2n h\u1ee7y. S\u1ef1 \u1ed5n \u0111\u1ecbnh c\u00f3 ki\u1ec3m so\u00e1t n\u00e0y h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng b\u00ean trong c\u00e1c t\u1eadp h\u1ee3p vi sinh v\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 nh\u1eefng b\u01b0\u1edbc n\u1ea1p li\u1ec7u c\u01a1 b\u1ea3n c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n, \u00e1p su\u1ea5t t\u1ea1o ra t\u1eeb vi\u1ec7c b\u01a1m CO\u2082 kh\u00f4ng ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n oxy x\u00e2m nh\u1eadp: n\u00f3 c\u00f2n gi\u00fap duy tr\u00ec c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ef5 kh\u00ed th\u00fac \u0111\u1ea9y vi sinh v\u1eadt chuy\u1ec3n h\u00f3a l\u01b0\u1ee3ng \u0111\u01b0\u1eddng. \u00c1p su\u1ea5t CO\u2082 h\u1ed7 tr\u1ee3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng t\u1ef1 nhi\u00ean c\u1ee7a qu\u1ea3 c\u00e0 ph\u00ea \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00f4ng qua ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi sinh v\u1eadt tr\u00ean l\u1edbp v\u1ecf ng\u1ea5m v\u00e0o h\u1ea1t, \u0111\u1eb7t n\u1ec1n m\u00f3ng cho \u0111\u1ed9 ng\u1ecdt \u0111\u1eadm \u0111\u1eb7c v\u00e0 \u201cfunk\u201d c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh sau n\u00e0y.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1376\" height=\"768\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/anaerobic-coffee-fermentation-tank-processing-1.webp\" alt=\"anaerobic coffee fermentation tank processing\" class=\"wp-image-48467\" title=\"\" srcset=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/anaerobic-coffee-fermentation-tank-processing-1.webp 1376w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/anaerobic-coffee-fermentation-tank-processing-1-300x167.webp 300w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/anaerobic-coffee-fermentation-tank-processing-1-1024x572.webp 1024w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/anaerobic-coffee-fermentation-tank-processing-1-768x429.webp 768w\" sizes=\"(max-width: 1376px) 100vw, 1376px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ed9 L\u1ecdc Sinh H\u1ecdc V\u1ecf Qu\u1ea3 \u0110\u1ecbnh H\u00ecnh H\u01b0\u01a1ng V\u1ecb Funk<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 l\u1ecdc sinh h\u1ecdc, \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb v\u1ecf qu\u1ea3 v\u00e0 l\u1edbp nh\u1ea7y, s\u1ebd \u0111i\u1ec1u ti\u1ebft s\u1ef1 khu\u1ebfch t\u00e1n oxy v\u00e0 d\u00f2ng l\u01b0u chuy\u1ec3n \u0111\u01b0\u1eddng. R\u00e0o c\u1ea3n v\u1eadt l\u00fd n\u00e0y quy\u1ebft \u0111\u1ecbnh li\u1ec7u b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c n\u1ed1t tr\u00e1i c\u00e2y nhi\u1ec7t \u0111\u1edbi trong tr\u1ebbo hay v\u1ecb funk v\u1ea9n \u0111\u1ee5c, th\u1ebf nh\u01b0ng hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 l\u1ea1i ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o nh\u1eefng \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng b\u1ea1n \u0111\u00e3 c\u00e0i \u0111\u1eb7t. Thi\u1ebfu \u0111i s\u1ef1 ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd \u0111\u1ed1i v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t, b\u1ed9 l\u1ecdc n\u00e0y s\u1ebd t\u1ea1o ra k\u1ebft qu\u1ea3 thi\u1ebfu \u0111\u1ed3ng nh\u1ea5t thay v\u00ec h\u1ed3 s\u01a1 h\u01b0\u01a1ng v\u1ecb \u0111\u1eb7c tr\u01b0ng m\u00e0 b\u1ea1n mong \u0111\u1ee3i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea5u Tr\u00fac Gi\u1ea3i Ph\u1eabu V\u1ecf Qu\u1ea3 \u0110\u1ecbnh H\u00ecnh C\u00e1c T\u1eadp H\u1ee3p Vi Sinh V\u1eadt<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1ecf qu\u1ea3 t\u1ea1o n\u00ean<\/strong> tuy\u1ebfn ph\u00f2ng th\u1ee7 ngo\u00e0i c\u00f9ng, bao g\u1ed3m l\u1edbp da, l\u1edbp th\u1ecbt qu\u1ea3 v\u00e0 l\u1edbp nh\u1ea7y d\u00ednh b\u00ean d\u01b0\u1edbi. <strong>L\u1edbp nh\u1ea7y n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n<\/strong> cho s\u1ef1 \u0111\u1ecbnh c\u01b0 c\u1ee7a vi sinh v\u1eadt b\u1edfi c\u00e1c n\u1ea5m men chi\u1ebfm \u01b0u th\u1ebf nh\u01b0 <em>Candida<\/em> spp. v\u00e0 vi khu\u1ea9n nh\u01b0 <em>Lactobacillus<\/em> spp. d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n k\u1ef5 kh\u00ed. Nh\u1eefng vi sinh v\u1eadt n\u00e0y ph\u00e2n gi\u1ea3i polysaccarit th\u00e0nh ethanol v\u00e0 axit lactic, th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a ch\u1ea5t n\u1ec1n th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t t\u1ea1o m\u00f9i th\u01a1m d\u1ec5 bay h\u01a1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nghi\u00ean c\u1ee9u x\u00e1c nh\u1eadn ph\u1ea3n \u1ee9ng sinh h\u00f3a n\u00e0y khi c\u00e1c nh\u00f3m vi sinh v\u1eadt c\u1ee5 th\u1ec3 k\u1ebf ti\u1ebfp nhau tr\u00ean b\u1ec1 m\u1eb7t v\u1ecf qu\u1ea3:<\/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\">Nghi\u00ean c\u1ee9u t\u00ecm hi\u1ec3u h\u1ea1t c\u00e0 ph\u00ea \u0111\u01b0\u1ee3c l\u00ean men d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n k\u1ef5 kh\u00ed nghi\u00eam ng\u1eb7t v\u00e0 ghi ch\u00e9p l\u1ea1i <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10418422\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>s\u1ef1 k\u1ebf t\u1ee5c c\u1ee7a c\u00e1c nh\u00f3m vi sinh v\u1eadt tr\u00ean l\u1edbp nh\u1ea7y v\u1ecf qu\u1ea3<\/strong><\/u><\/a>. N\u00f3 b\u00e1o c\u00e1o r\u1eb1ng Candida spp. (n\u1ea5m men) \u0111\u1ecbnh c\u01b0 \u1edf l\u1edbp nh\u1ea7y b\u00ean ngo\u00e0i t\u1eeb s\u1edbm, ti\u1ebft ra pectinase \u0111\u1ec3 ph\u00e2n gi\u1ea3i polysaccarit, trong khi Lactobacillus spp. tr\u1edf n\u00ean chi\u1ebfm \u01b0u th\u1ebf khi m\u00f4i tr\u01b0\u1eddng axit h\u00f3a, chuy\u1ec3n h\u00f3a l\u01b0\u1ee3ng \u0111\u01b0\u1eddng gi\u1ea3i ph\u00f3ng ra v\u00e0 c\u00e1c axit h\u1eefu c\u01a1. C\u00f9ng nhau, ch\u00fang d\u1eabn d\u1eaft vi\u1ec7c chuy\u1ec3n h\u00f3a nh\u1eefng c\u01a1 ch\u1ea5t n\u00e0y th\u00e0nh ethanol, axit lactic v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng este h\u00f3a sau \u0111\u00f3, t\u1ea1o ra nh\u1eefng h\u1ee3p ch\u1ea5t t\u1ea1o m\u00f9i d\u1ec5 bay h\u01a1i \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e0 ph\u00ea specialty.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ed9 L\u1ecdc V\u1ecf Ki\u1ec3m So\u00e1t S\u1ef1 Khu\u1ebfch T\u00e1n Oxy v\u00e0 D\u1ed1c N\u1ed3ng \u0110\u1ed9 pH<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1ef1 khu\u1ebfch t\u00e1n oxy ki\u1ec3m so\u00e1t<\/strong> \u0111\u01b0\u1eddng \u0111i c\u00f3 ch\u1ecdn l\u1ecdc c\u1ee7a c\u00e1c ch\u1ea5t chuy\u1ec3n h\u00f3a, cho ph\u00e9p \u0111\u01b0\u1eddng v\u00e0 axit h\u1eefu c\u01a1 \u0111i qua trong khi gi\u1eef nh\u1eefng ch\u1ea5t kh\u00e1c l\u1ea1i b\u00ean trong m\u00f4i tr\u01b0\u1eddng v\u1ecf qu\u1ea3. \u0110\u1ed3ng th\u1eddi, ho\u1ea1t \u0111\u1ed9ng vi sinh v\u1eadt <strong>\u0111i\u1ec1u bi\u1ebfn th\u00f4ng qua d\u1ed1c n\u1ed3ng \u0111\u1ed9 pH<\/strong>, th\u00fac \u0111\u1ea9y s\u1ef1 chuy\u1ec3n \u0111\u1ed5i c\u00e1c ch\u1ea5t chuy\u1ec3n h\u00f3a \u0111\u00e3 l\u1ecdc th\u00e0nh ti\u1ec1n ch\u1ea5t cho c\u00e1c ch\u1ea5t d\u1ec5 bay h\u01a1i mang phong c\u00e1ch funk nh\u01b0 este v\u00e0 phenol. Quy tr\u00ecnh n\u00e0y s\u1ea3n sinh ra nh\u1eefng n\u1ed1t c\u1ea3m quan \u0111a d\u1ea1ng t\u1eeb mu\u1ed1i chua, chua g\u1eaft \u0111\u1ebfn nhi\u1ec7t \u0111\u1edbi, m\u1eb7c d\u00f9 nhi\u1ec1u nh\u00e0 th\u1ef1c h\u00e0nh b\u00e1o c\u00e1o r\u1eb1ng v\u1ecb funk s\u1ebd thi\u1ebfu nh\u1ea5t qu\u00e1n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u ng\u00e0nh l\u00e0m n\u1ed5i b\u1eadt t\u1ea7m v\u00f3c c\u1ee7a s\u1ef1 d\u1ecbch chuy\u1ec3n h\u00f3a h\u1ecdc n\u00e0y khi c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ed9i t\u1ee5, tuy v\u1eady m\u1ee9c ph\u1ea7n tr\u0103m chung v\u1eabn mang t\u00ednh \u0111\u1eb7c th\u00f9 cho t\u1eebng m\u1ebb:<\/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\">C\u00e1c t\u00e0i li\u1ec7u hi\u1ec7n t\u1ea1i kh\u00f4ng \u0111\u01b0a ra m\u1ed9t con s\u1ed1 ph\u1ea7n tr\u0103m chung cho to\u00e0n ng\u00e0nh v\u1ec1 m\u1ee9c t\u0103ng este quy ri\u00eang cho \u201cb\u1ed9 l\u1ecdc sinh h\u1ecdc v\u1ecf qu\u1ea3 t\u1ed1i \u01b0u h\u00f3a\u201d. Nh\u1eefng nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y cho th\u1ea5y nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t b\u00e1o c\u00e1o vi\u1ec7c chuy\u1ec3n t\u1eeb qu\u00e1 tr\u00ecnh s\u01a1 ch\u1ebf kh\u00f4 hi\u1ebfu kh\u00ed th\u00f4ng th\u01b0\u1eddng sang \u0111i\u1ec1u ki\u1ec7n k\u1ef5 kh\u00ed c\u00f3 ki\u1ec3m so\u00e1t c\u00f3 th\u1ec3 <strong>nh\u00e2n \u0111\u00f4i ho\u1eb7c th\u1eadm ch\u00ed nh\u00e2n ba<\/strong> n\u1ed3ng \u0111\u1ed9 \u0111\u1ec9nh \u0111i\u1ec3m c\u1ee7a nh\u1eefng este c\u1ed1t l\u00f5i nh\u01b0 ethyl acetate v\u00e0 isoamyl acetate, nh\u01b0ng nh\u1eefng k\u1ebft qu\u1ea3 n\u00e0y mang t\u00ednh \u0111\u1eb7c th\u00f9 t\u1eebng m\u1ebb v\u00e0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ee9c \u0111\u1ed9 thay \u0111\u1ed5i (fold-change) thay v\u00ec t\u1ef7 l\u1ec7 % t\u0103ng chung. Ch\u1eb3ng h\u1ea1n, m\u1ed9t nghi\u00ean c\u1ee9u n\u0103m 2024 v\u1ec1 <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12809553\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>qu\u00e1 tr\u00ecnh sinh ra c\u00e1c h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i s\u1eed d\u1ee5ng n\u1ea5m men hoang d\u00e3<\/strong><\/u><\/a> b\u00e1o c\u00e1o n\u1ed3ng \u0111\u1ed9 este t\u1ed5ng \u0111\u1ea1t 105,84 mg kg\u207b\u00b9, t\u1ee9c l\u00e0 t\u0103ng kho\u1ea3ng \u2248200% so v\u1edbi m\u1ebb hi\u1ebfu kh\u00ed \u0111\u1ed1i ch\u1ee9ng. V\u00ec d\u1eef li\u1ec7u mang t\u00ednh th\u1eed nghi\u1ec7m v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a tr\u00ean to\u00e0n ng\u00e0nh, kh\u00f4ng c\u00f3 th\u1ed1ng k\u00ea ng\u00e0nh n\u00e0o l\u00e0 tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Theo D\u00f5i Nhi\u1ec7t \u0110\u1ed9, pH, \u00c1p Su\u1ea5t CO\u2082 v\u00e0 Brix<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4i tr\u01b0\u1eddng k\u1ef5 kh\u00ed duy tr\u00ec h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00fd t\u01b0\u1edfng v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi r\u00e0o c\u1ea3n v\u1ecf th\u00f3c \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 trao \u0111\u1ed5i kh\u00ed. B\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 r\u1eb1ng vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng con s\u1ed1 ho\u00e0n h\u1ea3o s\u1ebd \u0111\u1ea3m b\u1ea3o m\u1ed9t t\u00e1ch c\u00e0 ph\u00ea ngon h\u01a1n, nh\u01b0ng vi\u1ec7c ki\u1ec3m so\u00e1t chu\u1ea9n x\u00e1c nhi\u1ec7t \u0111\u1ed9, pH, \u00e1p su\u1ea5t CO\u2082 v\u00e0 \u0111\u1ed9 Brix l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i nh\u01b0ng kh\u00f4ng h\u1ee9a h\u1eb9n mang l\u1ea1i v\u1ecb funk nh\u1ea5t qu\u00e1n. L\u00e0m ch\u1ee7 b\u1ed1n bi\u1ebfn s\u1ed1 n\u00e0y l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c nh\u01b0ng ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cupping xu\u1ea5t s\u1eafc, b\u1edfi v\u00ec m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c bi\u1ebfn s\u1ed1 v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a h\u01b0\u01a1ng v\u1ecb r\u1ea5t ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Duy Tr\u00ec Nhi\u1ec7t \u0110\u1ed9 \u1ede M\u1ee9c 15\u201318\u00b0C v\u00e0 pH 3,8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1eef b\u1ed3n \u1edf m\u1ee9c t\u1eeb 15\u201318\u00b0C trong su\u1ed1t qu\u00e1 tr\u00ecnh l\u00ean men. Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n s\u1ebd t\u0103ng t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi sinh v\u1eadt v\u00e0 g\u00e2y nguy c\u01a1 t\u1ea1o ra c\u00e1c m\u00f9i v\u1ecb l\u1ea1 (off-flavor) ki\u1ec3u \u201cr\u01b0\u1ee3u c\u1ed3n\u201d ho\u1eb7c gi\u1ea5m, l\u00e0m h\u1ecfng c\u1ea3 m\u1ebb. D\u1ed1c n\u1ed3ng \u0111\u1ed9 pH s\u1ebd gi\u1ea3m xu\u1ed1ng khi l\u01b0\u1ee3ng \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a, v\u00ec v\u1eady b\u1ea1n ph\u1ea3i d\u1eebng l\u1ea1i \u1edf m\u1ee9c \u2248 3,8 \u0111\u1ec3 tr\u00e1nh b\u1ecb \u00f4i h\u1ecfng. M\u00f4i tr\u01b0\u1eddng k\u1ef5 kh\u00ed duy tr\u00ec h\u00e0m l\u01b0\u1ee3ng \u1ea9m b\u00ean trong qu\u1ea3 c\u00e0 ph\u00ea trong su\u1ed1t giai \u0111o\u1ea1n axit h\u00f3a n\u00e0y. L\u1edbp v\u1ecf th\u00f3c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 t\u1ea5m khi\u00ean b\u1ea3o v\u1ec7 h\u1ea1t nh\u00e2n kh\u1ecfi kh\u00f4ng kh\u00ed b\u00ean ngo\u00e0i trong khi c\u00e1c axit \u0111ang t\u00edch t\u1ee5 b\u00ean trong.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Theo D\u00f5i M\u1ee9c \u00c1p Su\u1ea5t CO\u2082 v\u00e0 Brix<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4 t\u1ea3 chi ti\u1ebft h\u1ec7 th\u1ed1ng van m\u1ed9t chi\u1ec1u v\u00e0 c\u00e1c m\u1ee9c \u00e1p su\u1ea5t th\u00f4ng th\u01b0\u1eddng nh\u01b0 0,5\u20131 bar. \u00c1p su\u1ea5t gi\u00fap duy tr\u00ec t\u00ecnh tr\u1ea1ng k\u1ef5 kh\u00ed \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng v\u00e0o trong h\u1ea1t. Vi\u1ec7c \u0111\u1ecdc ch\u1ec9 s\u1ed1 Brix \u0111\u1ecbnh k\u1ef3 gi\u00fap theo d\u00f5i s\u1ef1 hao h\u1ee5t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng v\u00e0 ch\u1ec9 ra ti\u1ebfn tr\u00ecnh l\u00ean men cho b\u1ea1n. Nhi\u1ec7t \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 gi\u1ea3m pH, \u00e1p su\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a vi sinh v\u1eadt, v\u00e0 ch\u1ec9 s\u1ed1 Brix t\u01b0\u01a1ng quan v\u1edbi l\u01b0\u1ee3ng ti\u1ec1n ch\u1ea5t d\u1ec5 bay h\u01a1i hi\u1ec7n c\u00f3. Th\u1eadm ch\u00ed ngay c\u1ea3 khi nh\u1eefng bi\u1ebfn s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ho\u00e0n h\u1ea3o, kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ea3m b\u1ea3o \u0111i\u1ec3m s\u1ed1 t\u00e1ch c\u00e0 ph\u00ea s\u1ebd t\u0103ng l\u00ean nh\u01b0 mong \u0111\u1ee3i. Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t v\u1eabn g\u1eb7p ph\u1ea3i h\u01b0\u01a1ng v\u1ecb l\u1ed7i ho\u1eb7c \u0111i\u1ec3m s\u1ed1 tr\u1ed3i s\u1ee5t b\u1ea5t k\u1ec3 ch\u1ec9 s\u1ed1 \u0111\u1ea1t t\u1ed1i \u01b0u. \u00c1p su\u1ea5t cao t\u0103ng c\u01b0\u1eddng s\u1ef1 h\u00ecnh th\u00e0nh h\u1ed3 s\u01a1 h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i trong qu\u00e1 tr\u00ecnh l\u00ean men. S\u1ef1 \u1ed5n \u0111\u1ecbnh n\u00e0y gi\u00fap gi\u1eef nguy\u00ean v\u1eb9n c\u1ea5u tr\u00fac khi ti\u1ebfn h\u00e0nh b\u00f3c t\u00e1ch h\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u d\u01b0\u1edbi \u0111\u00e2y minh h\u1ecda cho s\u1ef1 thay \u0111\u1ed5i n\u00e0y theo c\u00e1c thi\u1ebft l\u1eadp \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau:<\/p>\n\n\n\n<div style=\"overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"5\">\n<thead>\n<tr>\n<th>\u00c1p Su\u1ea5t CO\u2082 (bar)<\/th>\n<th>\u0110\u1ed9 Brix Kh\u1edfi \u0110i\u1ec3m (\u00b0Bx)<\/th>\n<th>\u0110\u1ed9 Brix L\u00ean Men (\u00b0Bx)<\/th>\n<th>Nhi\u1ec7t \u0110\u1ed9 (\u00b0C)<\/th>\n<th>S\u1ef1 H\u00ecnh Th\u00e0nh Ti\u1ec1n Ch\u1ea5t D\u1ec5 Bay H\u01a1i*<\/th>\n<th>Ho\u1ea1t \u0110\u1ed9ng C\u1ee7a Vi Sinh V\u1eadt\u2020<\/th>\n<th>K\u1ebft Qu\u1ea3 H\u01b0\u01a1ng V\u1ecb D\u1ef1 Ki\u1ebfn\u2021<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0,5 \u2013 1,0<\/td>\n<td>12 \u2013 13<\/td>\n<td>10 \u2013 11<\/td>\n<td>15 \u2013 16<\/td>\n<td>S\u1ef1 t\u1ed5ng h\u1ee3p este &amp; aldehyde th\u1ea5p; qu\u00e1 tr\u00ecnh t\u00edch t\u1ee5 ti\u1ec1n ch\u1ea5t axit di\u1ec5n ra khi\u00eam t\u1ed1n<\/td>\n<td>Ch\u1ee7 y\u1ebfu b\u1ecb chi ph\u1ed1i b\u1edfi <em>Lactobacillus<\/em> spp.; qu\u00e1 tr\u00ecnh axit h\u00f3a di\u1ec5n ra ch\u1eadm<\/td>\n<td>Body m\u1ecfng nh\u1eb9, h\u01b0\u01a1ng tr\u00e1i c\u00e2y tinh t\u1ebf, \u0111\u1ed9 chua c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c cao h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>1,0 \u2013 1,5<\/td>\n<td>12 \u2013 13<\/td>\n<td>9 \u2013 10<\/td>\n<td>16 \u2013 17<\/td>\n<td>S\u1ef1 s\u1ea3n sinh este (ethyl acetate, iso-amyl acetate) v\u00e0 ketone \u1edf m\u1ee9c \u0111\u1ed9 v\u1eeba ph\u1ea3i<\/td>\n<td>S\u1ef1 ph\u00e1t tri\u1ec3n c\u00e2n b\u1eb1ng gi\u1eefa <em>Lactobacillus<\/em> v\u00e0 <em>Acetobacter<\/em><\/td>\n<td>\u0110\u1ed9 chua c\u00e2n b\u1eb1ng, c\u00e1c n\u1ed1t h\u01b0\u01a1ng hoa qu\u1ea3 r\u00f5 n\u00e9t, body \u1edf m\u1ee9c trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>1,5 \u2013 2,0<\/td>\n<td>13 \u2013 14<\/td>\n<td>8 \u2013 9<\/td>\n<td>17 \u2013 18<\/td>\n<td>H\u00ecnh th\u00e0nh l\u01b0\u1ee3ng l\u1edbn este (ethyl butyrate, phenylacetate) v\u00e0 c\u1ed3n; t\u0103ng c\u01b0\u1eddng c\u00e1c ti\u1ec1n ch\u1ea5t c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb \u0111\u01b0\u1eddng<\/td>\n<td>Ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh c\u1ee7a <em>Acetobacter<\/em>; t\u1ea1o ra CO\u2082 nhanh ch\u00f3ng, n\u1ea5m men \u0111\u00f3ng g\u00f3p \u1edf m\u1ee9c nh\u1ecf<\/td>\n<td>C\u1ea3m gi\u00e1c ngon mi\u1ec7ng \u0111\u1eadm \u0111\u00e0, n\u1ed1t tr\u00e1i c\u00e2y ph\u1ee9c t\u1ea1p (qu\u1ea3 m\u1ecdng, nhi\u1ec7t \u0111\u1edbi) v\u00e0 gia v\u1ecb, gi\u1ea3m b\u1edbt \u0111\u1ed9 chua g\u1eaft<\/td>\n<\/tr>\n<tr>\n<td>&gt; 2,0 (l\u00ean \u0111\u1ebfn 2,5)<\/td>\n<td>13 \u2013 14<\/td>\n<td>\u2264 8<\/td>\n<td>18<\/td>\n<td>S\u1ef1 este h\u00f3a v\u00e0 h\u00ecnh th\u00e0nh lactone \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i; c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t hi\u1ec7n c\u00e1c ti\u1ec1n ch\u1ea5t g\u00e2y m\u00f9i v\u1ecb l\u1ea1 (acetaldehyde) n\u1ebfu \u00e1p su\u1ea5t qu\u00e1 cao<\/td>\n<td><em>Acetobacter<\/em> ho\u1ea1t \u0111\u1ed9ng qu\u00e1 m\u1ee9c; c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y \u00e1p l\u1ef1c l\u00ean n\u1ea5m men, l\u00e0m gi\u1ea3m s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a vi khu\u1ea9n<\/td>\n<td>H\u01b0\u01a1ng tr\u00e1i c\u00e2y &amp; r\u01b0\u1ee3u vang m\u00e3nh li\u1ec7t, r\u1ee7i ro xu\u1ea5t hi\u1ec7n n\u1ed1t qu\u00e1 ch\u00edn ho\u1eb7c mang m\u00f9i \u201cdung m\u00f4i\u201d, body d\u00e0y \u0111\u1eb7c h\u01a1n nh\u01b0ng ti\u1ec1m \u1ea9n v\u1ecb \u0111\u1eafng n\u1ebfu \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng t\u1ed1i \u01b0u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">* S\u1ef1 h\u00ecnh th\u00e0nh ti\u1ec1n ch\u1ea5t d\u1ec5 bay h\u01a1i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c t\u1ed5ng h\u1ee3p nh\u1eefng h\u1ee3p ch\u1ea5t mang ho\u1ea1t t\u00ednh t\u1ea1o m\u00f9i th\u01a1m (este, aldehyde, ketone, lactone) v\u1ed1n s\u1ebd ph\u00e1t tri\u1ec3n s\u00e2u h\u01a1n khi rang.<br>\u2020 Ho\u1ea1t \u0111\u1ed9ng vi sinh v\u1eadt m\u00f4 t\u1ea3 nh\u1eefng nh\u00f3m vi sinh v\u1eadt chi\u1ebfm \u01b0u th\u1ebf v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a ch\u00fang d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<br>\u2021 K\u1ebft qu\u1ea3 h\u01b0\u01a1ng v\u1ecb l\u00e0 nh\u1eefng thu\u1ed9c t\u00ednh c\u1ea3m quan \u0111i\u1ec3n h\u00ecnh \u0111\u01b0\u1ee3c ghi nh\u1eadn sau khi rang v\u00e0 cupping c\u00e1c h\u1ea1t c\u00e0 ph\u00ea \u0111\u01b0\u1ee3c s\u01a1 ch\u1ebf theo t\u1eebng b\u1ed9 th\u00f4ng s\u1ed1.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00ean Men Tr\u00e1i C\u00e2y Sinh Ra H\u1ed3 S\u01a1 H\u1ee3p Ch\u1ea5t D\u1ec5 Bay H\u01a1i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Qu\u1ea3 c\u00e0 ph\u00ea<\/strong> <strong>sinh ra<\/strong> h\u1ed3 s\u01a1 h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a v\u1ecb funk th\u00f4ng qua qu\u00e1 tr\u00ecnh l\u00ean men tr\u00e1i c\u00e2y. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 nhi\u1ec5u lo\u1ea1n ng\u1eabu nhi\u00ean: \u0111\u00f3 l\u00e0 m\u1ed9t h\u1ed7n h\u1ee3p h\u00f3a h\u1ecdc \u0111\u1eb7c th\u00f9 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1edfi c\u00e1c vi sinh v\u1eadt c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb v\u1ecf qu\u1ea3 d\u01b0\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n pH v\u00e0 \u00e1p su\u1ea5t ch\u00ednh x\u00e1c. S\u1ef1 thay \u0111\u1ed5i trong <strong>th\u1eddi gian s\u01a1 ch\u1ebf<\/strong> <strong>t\u00e1c \u0111\u1ed9ng<\/strong> \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi sinh v\u1eadt b\u00ean trong b\u1ed3n k\u00edn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 th\u1ea5y c\u00e1ch m\u00e0 nh\u1eefng h\u00f3a ch\u1ea5t v\u00f4 h\u00ecnh n\u00e0y \u00e1nh x\u1ea1 l\u00ean nh\u1eefng g\u00ec b\u1ea1n n\u1ebfm, h\u00e3y nh\u00ecn v\u00e0o b\u1ea3n ph\u00e2n t\u00edch chi ti\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1024\" height=\"1536\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/chemistry-of-coffee-flavor-compounds-infographic-1.webp\" alt=\"chemistry of coffee flavor compounds infographic\" class=\"wp-image-48469\" title=\"\" srcset=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/chemistry-of-coffee-flavor-compounds-infographic-1.webp 1024w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/chemistry-of-coffee-flavor-compounds-infographic-1-200x300.webp 200w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/chemistry-of-coffee-flavor-compounds-infographic-1-683x1024.webp 683w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/04\/chemistry-of-coffee-flavor-compounds-infographic-1-768x1152.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ed1c n\u1ed3ng \u0111\u1ed9 pH v\u00e0 c\u00e1c t\u1eadp h\u1ee3p vi sinh v\u1eadt tr\u00ean v\u1ecf chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng v\u00e0 axit th\u00e0nh nh\u1eefng nh\u00f3m ch\u1ea5t d\u1ec5 bay h\u01a1i \u0111\u1eb7c bi\u1ec7t. \u0110i\u1ec1u ki\u1ec7n k\u1ef5 kh\u00ed d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a CO\u2082 th\u00fac \u0111\u1ea9y vi\u1ec7c s\u1ea3n sinh este, l\u00e0m t\u0103ng th\u00eam \u0111\u1ed9 s\u1eafc n\u00e9t cho h\u01b0\u01a1ng v\u1ecb tr\u00e1i c\u00e2y v\u00e0 funk.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Este:<\/strong> C\u00e1c h\u1ee3p ch\u1ea5t nh\u01b0 ethyl acetate l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh c\u00e1c n\u1ed1t h\u01b0\u01a1ng tr\u00e1i c\u00e2y nhi\u1ec7t \u0111\u1edbi.<\/li>\n\n\n\n<li><strong>C\u00e1c Axit H\u1eefu C\u01a1:<\/strong> Axit lactic b\u1ed5 sung th\u00eam kh\u00eda c\u1ea1nh mu\u1ed1i chua ho\u1eb7c v\u1ecb chua thanh.<\/li>\n\n\n\n<li><strong>C\u00e1c H\u1ee3p Ch\u1ea5t Phenol:<\/strong> C\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p t\u1ea1o n\u00ean \u0111\u1ed9 s\u00e2u ph\u1ea3ng ph\u1ea5t m\u00f9i r\u01b0\u1ee3u vang ho\u1eb7c rum.<\/li>\n\n\n\n<li><strong>Furan:<\/strong> Nh\u1eefng ph\u00e2n t\u1eed n\u00e0y g\u00f3p ph\u1ea7n t\u1ea1o ra v\u1ecb ng\u1ecdt ng\u00e0o ki\u1ec3u caramel.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 s\u1ed1 Brix cao h\u01a1n v\u00e0 th\u1eddi gian l\u00ean men k\u00e9o d\u00e0i s\u1ebd khu\u1ebfch \u0111\u1ea1i m\u1ed9t s\u1ed1 ch\u1ea5t d\u1ec5 bay h\u01a1i, trong khi vi\u1ec7c d\u1eebng l\u1ea1i s\u1edbm gi\u00fap b\u1ea3o to\u00e0n m\u1ed9t h\u1ed3 s\u01a1 c\u00e2n b\u1eb1ng. Nh\u1eefng th\u00f3i quen th\u1ef1c h\u00e0nh t\u1ea1i t\u1eebng khu v\u1ef1c \u1edf <strong>Colombia<\/strong> <strong>\u1ea3nh h\u01b0\u1edfng<\/strong> \u0111\u1ebfn c\u00e1ch c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t qu\u1ea3n l\u00fd nh\u1eefng bi\u1ebfn s\u1ed1 n\u00e0y. Ti\u00eau chu\u1ea9n <strong>ch\u1ea5t l\u01b0\u1ee3ng th\u00e0nh ph\u1ea9m<\/strong> <strong>s\u1ebd quy\u1ebft \u0111\u1ecbnh<\/strong> t\u00e1ch c\u00e0 ph\u00ea cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc \u1ee8ng d\u1ee5ng Zurich (ZHAW) kh\u1eb3ng \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 n\u00e0y. <a href=\"https:\/\/perfectdailygrind.com\/2023\/04\/fruit-flavours-in-fermented-coffee\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Ti\u1ebfn s\u0129 Chahan Yeretzian v\u00e0 Ti\u1ebfn s\u0129 Samo Smrke<\/strong><\/u><\/a>, Tr\u01b0\u1edfng Trung t\u00e2m Xu\u1ea5t s\u1eafc C\u00e0 ph\u00ea v\u00e0 Tr\u01b0\u1edfng ph\u00f2ng S\u01a1 ch\u1ebf C\u00e0 ph\u00ea, \u0111\u00e3 l\u00e0m r\u00f5 m\u1ed9t h\u1ee3p ch\u1ea5t n\u1ed5i b\u1eadt.<\/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\">\u201cM\u1ed9t h\u1ee3p ch\u1ea5t c\u00f3 m\u00f9i tr\u00e1i c\u00e2y v\u00f4 c\u00f9ng m\u00e3nh li\u1ec7t, ethyl 3-methylbutanoate, \u0111\u00e3 b\u1ed9c l\u1ed9 r\u00f5 r\u00e0ng trong c\u00e0 ph\u00ea natural l\u00ean men k\u1ef5 kh\u00ed carbon (carbonic maceration),\u201d Chahan v\u00e0 Samo cho hay. Ng\u01b0\u1eddi ta nh\u1eadn th\u1ea5y n\u1ed3ng \u0111\u1ed9 c\u1ee7a n\u00f3 d\u1ed3i d\u00e0o h\u01a1n 125 l\u1ea7n so v\u1edbi trong c\u00e0 ph\u00ea s\u01a1 ch\u1ebf \u01b0\u1edbt.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Quan s\u00e1t n\u00e0y x\u00e1c nh\u1eadn t\u1ea1i sao vi\u1ec7c duy tr\u00ec d\u1ed1c n\u1ed3ng \u0111\u1ed9 pH l\u1ea1i c\u1ed1t l\u00f5i \u0111\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c c\u00e1c h\u1ee3p ch\u1ea5t th\u01a1m d\u1ec5 bay h\u01a1i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Chi Ph\u00ed Cho B\u1ed3n K\u00edn C\u00f3 H\u1ea1n Ch\u1ebf Kh\u1ea3 N\u0103ng M\u1edf R\u1ed9ng C\u1ee7a S\u01a1 Ch\u1ebf Anaerobic Natural Kh\u00f4ng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1p su\u1ea5t cao trong b\u1ed3n k\u00edn th\u00fac \u0111\u1ea9y vi\u1ec7c h\u00ecnh th\u00e0nh h\u1ed3 s\u01a1 h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i, \u0111\u00e2y ch\u00ednh l\u00e0 l\u00fd do bi\u1ec7n minh cho m\u1ee9c gi\u00e1 cao ng\u1ea5t ng\u01b0\u1edfng tr\u00ean th\u1ecb tr\u01b0\u1eddng. Trong khi c\u00e1c lo\u1ea1i c\u00e0 ph\u00ea anaerobic natural c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi m\u1ee9c ph\u00ed c\u1ed9ng th\u00eam r\u01a1i v\u00e0o kho\u1ea3ng 12 \u20ac\/250 g, th\u00ec kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u1ed1n ban \u0111\u1ea7u \u1ea9n gi\u1ea5u, chi ph\u00ed duy tr\u00ec CO\u2082 th\u01b0\u1eddng xuy\u00ean, v\u00e0 r\u00e0o c\u1ea3n v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4 th\u01b0\u1eddng l\u00e0m hao h\u1ee5t l\u1ee3i \u00edch t\u00e0i ch\u00ednh \u0111\u1ea1t \u0111\u01b0\u1ee3c. Th\u1ef1c t\u1ebf kinh t\u1ebf n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c duy tr\u00ec s\u1ea3n xu\u1ea5t v\u1ecb \u201cfunk\u201d m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh kh\u00f4ng h\u1eb3n lu\u00f4n sinh l\u1eddi cho m\u1ecdi nh\u00e0 v\u01b0\u1eddn, m\u1eb7c cho c\u00e1i m\u00e1c gi\u00e1 cao c\u1ea5p tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t b\u1eaft bu\u1ed9c ph\u1ea3i t\u1eadu c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng chuy\u00ean bi\u1ec7t \u0111\u1ec3 duy tr\u00ec \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng ho\u00e0n to\u00e0n v\u1eafng b\u00f3ng oxy. Nh\u1eefng b\u1ec3 l\u00ean men h\u1edf truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c ng\u01b0\u1ee1ng \u00e1p su\u1ea5t c\u1ea7n thi\u1ebft. Vi\u1ec7c b\u01a1m kh\u00ed CO\u2082 li\u00ean t\u1ee5c l\u00e0m \u0111\u1ed9i l\u00ean chi ph\u00ed v\u1eadn h\u00e0nh \u0111\u1ecbnh k\u1ef3, v\u1eaft ki\u1ec7t l\u1ee3i nhu\u1eadn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.baristamagazine.com\/understanding-the-process-anaerobic-processing\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>Bram de Hoog<\/strong><\/u><\/a>, m\u1ed9t nh\u00e0 qu\u1ea3n l\u00fd cung \u1ee9ng ngu\u1ed3n c\u00e0 ph\u00ea specialty t\u1ea1i Ally Coffee, \u0111\u00e3 quan s\u00e1t th\u1ea5y s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed:<\/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\">\u201cN\u00f3 c\u00f3 th\u1ec3 n\u00e2ng \u0111i\u1ec3m cupping c\u1ee7a c\u00e0 ph\u00ea l\u00ean r\u00f5 r\u1ec7t v\u00e0 t\u1eeb \u0111\u00f3 t\u0103ng gi\u00e1 tr\u1ecb c\u1ee7a c\u00e0 ph\u00ea,\u201d Bram cho bi\u1ebft. H\u01a1n n\u1eefa, qu\u00e1 tr\u00ecnh k\u1ef5 kh\u00ed, khi \u0111\u1eb7t l\u00ean b\u00e0n c\u00e2n v\u1edbi c\u00e1c ki\u1ec3u l\u00ean men kh\u00e1c, cho ph\u00e9p nh\u00e0 s\u1ea3n xu\u1ea5t n\u1eafm quy\u1ec1n ki\u1ec3m so\u00e1t m\u1ebb l\u00ean men t\u1ed1t h\u01a1n. \u2026 Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng qu\u00e1 tr\u00ecnh l\u00ean men k\u1ef5 kh\u00ed t\u1ed1n k\u00e9m h\u01a1n so v\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c s\u01a1 ch\u1ebf c\u00e0 ph\u00ea truy\u1ec1n th\u1ed1ng (natural, washed v\u00e0 honey). L\u00ean men k\u1ef5 kh\u00ed \u0111\u00f2i h\u1ecfi ph\u1ea3i d\u00f9ng c\u00e1c b\u1ed3n k\u00edn \u0111\u1eb7c bi\u1ec7t trong su\u1ed1t qu\u00e1 tr\u00ecnh; sau \u0111\u00f3 ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t th\u01b0\u1eddng xuy\u00ean nh\u1eb1m ki\u1ec3m so\u00e1t chu\u1ea9n x\u00e1c c\u00e1c m\u1ebb s\u01a1 ch\u1ebf, do \u0111\u00f3 \u0111\u00f2i h\u1ecfi th\u00eam ngu\u1ed3n nh\u00e2n l\u1ef1c. Ch\u00ednh v\u00ec v\u1eady, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t quy tr\u00ecnh m\u00e0 t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u c\u00f3 th\u1ec3 kham n\u1ed5i.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Quan s\u00e1t n\u00e0y x\u00e1c nh\u1eadn t\u1ea1i sao vi\u1ec7c duy tr\u00ec m\u00f4i tr\u01b0\u1eddng b\u1ed3n k\u00edn l\u1ea1i \u0111\u00f2i h\u1ecfi m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 lao \u0111\u1ed9ng l\u1edbn. Y\u00eau c\u1ea7u gi\u00e1m s\u00e1t bu\u1ed9c ph\u1ea3i c\u00f3 th\u00eam nh\u00e2n l\u1ef1c \u0111\u1ec3 li\u00ean t\u1ee5c theo d\u00f5i \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9. Th\u1ef1c hi\u1ec7n tr\u00ean c\u00e1c l\u00f4 nh\u1ecf v\u1eabn kh\u1ea3 thi, nh\u01b0ng v\u1edbi s\u1ea3n l\u01b0\u1ee3ng l\u1edbn th\u00ec ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi quy lu\u1eadt hi\u1ec7u su\u1ea5t gi\u1ea3m d\u1ea7n. Quy tr\u00ecnh n\u00e0y h\u1ea1n ch\u1ebf kh\u1ed1i l\u01b0\u1ee3ng khi \u0111em so s\u00e1nh v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u01a1 ch\u1ebf t\u1ef1 nhi\u00ean truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ef1 Th\u1eadt L\u00e0: Nh\u1eefng G\u00ec H\u1ea7u H\u1ebft M\u1ecdi Ng\u01b0\u1eddi Th\u01b0\u1eddng B\u1ecf L\u1ee1 V\u1ec1 S\u01a1 Ch\u1ebf C\u00e0 Ph\u00ea Anaerobic Natural<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o m\u00e0 \u00e1p su\u1ea5t CO\u2082 th\u1ef1c s\u1ef1 \u0111\u1ea9y \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng \u0111\u01b0\u1eddng v\u00e0o nh\u00e2n h\u1ea1t?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1p su\u1ea5t CO\u2082 bu\u1ed9c ch\u1ea5t l\u1ecfng \u0111i qua l\u1edbp v\u1ecf qu\u1ea3, chuy\u1ec3n tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1eddng v\u00e0o ph\u1ea7n nh\u00e2n h\u1ea1t b\u00ean trong. Kh\u00ed t\u1ea1o ra m\u1ed9t \u00e1p l\u1ef1c th\u1ea9m th\u1ea5u \u0111\u1ea9y ph\u1ea7n d\u1ecbch qu\u1ea3 v\u01b0\u1ee3t qua h\u00e0ng r\u00e0o l\u1edbp nh\u1ea7y, nh\u1edd \u0111\u00f3 nh\u00e2n h\u1ea1t h\u1ea5p th\u1ee5 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng l\u00ean men nhi\u1ec1u h\u01a1n tr\u01b0\u1edbc khi s\u1ea5y kh\u00f4. L\u01b0\u1ee3ng \u0111\u01b0\u1eddng d\u01b0 th\u1eeba n\u00e0y tr\u1edf th\u00e0nh nhi\u00ean li\u1ec7u th\u00fac \u0111\u1ea9y s\u1ef1 h\u00ecnh th\u00e0nh este m\u1ea1nh m\u1ebd h\u01a1n v\u00e0o giai \u0111o\u1ea1n rang sau n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao hai m\u1ebb rang c\u00f3 th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9, pH v\u00e0 Brix gi\u1ed1ng h\u1ec7t nhau m\u00e0 v\u1eabn cho ra h\u01b0\u01a1ng v\u1ecb kh\u00e1c bi\u1ec7t?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang v\u1eabn c\u00f3 h\u01b0\u01a1ng v\u1ecb kh\u00e1c bi\u1ec7t v\u00ec tr\u00ecnh t\u1ef1 thay th\u1ebf vi sinh v\u1eadt c\u00f3 th\u1ec3 r\u1ebd nh\u00e1nh, d\u1eabn t\u1edbi nh\u1eefng k\u1ebft qu\u1ea3 v\u1ec1 v\u1ecb kh\u00e1c nhau. B\u1ea5t k\u1ef3 r\u00f2 r\u1ec9 oxy c\u1ef1c nh\u1ecf n\u00e0o, \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1ecf tr\u00e1i, hay d\u00e2n s\u1ed1 c\u00e1c ch\u1ee7ng n\u1ea5m men kh\u1edfi \u0111i\u1ec3m \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m \u0111\u1ea3o l\u1ed9n s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa n\u1ea5m men v\u00e0 vi khu\u1ea9n, l\u00e0m sai l\u1ec7ch h\u1ed3 s\u01a1 este v\u00e0 axit m\u1eb7c cho c\u00e1c ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng \u0111\u00e3 kh\u1edbp v\u1edbi nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu \u0111\u1ed9 pH t\u1ee5t xu\u1ed1ng d\u01b0\u1edbi 3,8 trong su\u1ed1t qu\u00e1 tr\u00ecnh l\u00ean men?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu \u0111\u1ed9 pH gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c 3,8, vi khu\u1ea9n ch\u1ecbu axit s\u1ebd chi\u1ebfm th\u1ebf th\u01b0\u1ee3ng phong v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n sinh ra qu\u00e1 nhi\u1ec1u axit acetic, d\u1eabn \u0111\u1ebfn nh\u1eefng h\u01b0\u01a1ng v\u1ecb l\u1ed7i \u0111\u1eadm m\u00f9i gi\u1ea5m. N\u1ed3ng \u0111\u1ed9 pH qu\u00e1 th\u1ea5p c\u0169ng g\u00e2y c\u0103ng th\u1eb3ng cho n\u1ea5m men, l\u00e0m gi\u1ea3m thi\u1ec3u qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p este, v\u00ec th\u1ebf m\u1ebb c\u00e0 ph\u00ea c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ecfng l\u1ebbo, chua g\u1eaft v\u00e0 th\u1ea5t b\u1ea1i trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1ecb funk nh\u01b0 mong mu\u1ed1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng nit\u01a1 thay cho CO\u2082 \u0111\u1ec3 x\u1ea3 kh\u00ed \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00ean men?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9ng nit\u01a1 \u0111\u1ec3 x\u1ea3 kh\u00ed s\u1ebd lo\u1ea1i b\u1ecf oxy m\u00e0 kh\u00f4ng dung n\u1ea1p th\u00eam CO\u2082 h\u00f2a ti\u1ebfng, v\u00ec th\u1ebf qu\u00e1 tr\u00ecnh ng\u1ea5m \u0111\u01b0\u1eddng nh\u1edd \u00e1p l\u1ef1c \u00e1p su\u1ea5t kh\u00f4ng bao gi\u1edd di\u1ec5n ra. H\u1ea1t nh\u00e2n gi\u1eef l\u1ea1i \u00edt l\u01b0\u1ee3ng \u0111\u01b0\u1eddng b\u00ean trong h\u01a1n, sinh ra c\u00e1c este nh\u1ea1t nh\u00f2a h\u01a1n v\u00e0 m\u1ed9t ly c\u00e0 ph\u00ea tr\u00f2n v\u1ecb s\u1ea1ch s\u1ebd h\u01a1n nh\u01b0ng l\u1ea1i thi\u1ebfu \u0111i ch\u1ea5t \u201cfunk\u201d. N\u00f3 c\u0169ng l\u00e0m h\u1ea1n ch\u1ebf qu\u00e1 tr\u00ecnh cacbonat h\u00f3a t\u1ef1 nhi\u00ean v\u1ed1n \u0111\u00f3ng vai tr\u00f2 \u1ed5n \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng vi sinh v\u1eadt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng r\u1ee7i ro n\u00e0o x\u1ea3y ra n\u1ebfu s\u1ef1 c\u1ed1 c\u00fap \u0111i\u1ec7n l\u00e0m gi\u00e1n \u0111o\u1ea1n vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 gi\u1eefa ch\u1eebng khi \u0111ang l\u00ean men?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ef1 do t\u0103ng ho\u1eb7c gi\u1ea3m s\u1ebd ph\u00e1 v\u1ee1 nh\u1ecbp \u0111i\u1ec7u trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a vi sinh v\u1eadt, g\u00e2y ra vi\u1ec7c s\u1ea3n sinh axit v\u00e0 este m\u1ed9t c\u00e1ch m\u1ea5t ki\u1ec3m so\u00e1t. Nh\u1eefng \u0111\u1ee3t s\u00f3ng nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh s\u1ef1 t\u00e0n l\u1ee5i c\u1ee7a n\u1ea5m men, trong khi nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh l\u1ea1i l\u00e0m \u0111\u00ecnh tr\u1ec7 ho\u1ea1t \u0111\u1ed9ng, c\u1ea3 hai \u0111\u1ec1u t\u1ea1o ra c\u00e1c t\u00fai h\u01b0\u01a1ng v\u1ecb thi\u1ebfu \u0111\u1ed3ng nh\u1ea5t v\u00e0 l\u00e0m t\u0103ng nguy c\u01a1 b\u1ecb \u00f4i h\u1ecfng n\u1ebfu b\u1ed3n kh\u00f4ng \u0111\u01b0\u1ee3c nhanh ch\u00f3ng \u0111\u00f3ng k\u00edn tr\u1edf l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Li\u1ec7u vi\u1ec7c tr\u1ed9n l\u1eabn c\u00e1c gi\u1ed1ng c\u00e0 ph\u00ea v\u00e0o chung m\u1ed9t b\u1ed3n c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n h\u1ea1i cho hi\u1ec7u \u1ee9ng \u201cb\u1ed9 l\u1ecdc sinh h\u1ecdc\u201d kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pha tr\u1ed9n nhi\u1ec1u gi\u1ed1ng qu\u1ea3 kh\u00e1c nhau c\u00f3 th\u1ec3 ph\u00e1 h\u1ecfng b\u1ed9 l\u1ecdc sinh h\u1ecdc c\u1ee7a l\u1edbp v\u1ecf b\u1edfi \u0111\u1ed9 d\u00e0y v\u1ecf qu\u1ea3 v\u00e0 th\u00e0nh ph\u1ea7n l\u1edbp nh\u1ea7y kh\u00e1c bi\u1ec7t, l\u00e0m thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n oxy v\u00e0 gi\u1ea3i ph\u00f3ng \u0111\u01b0\u1eddng. B\u1ed9 l\u1ecdc kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u t\u1ea1o ra nh\u1eefng vi m\u00f4i tr\u01b0\u1eddng n\u01a1i m\u1ed9t s\u1ed1 vi sinh v\u1eadt ph\u00e1t tri\u1ec3n l\u1ea5n \u00e1t, d\u1eabn t\u1edbi s\u1ef1 ph\u00e2n b\u1ed5 este kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 mang l\u1ea1i m\u1ed9t h\u1ed3 s\u01a1 h\u01b0\u01a1ng v\u1ecb k\u00e9m t\u00ednh nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"L\u00e0m th\u1ebf n\u00e0o m\u00e0 \u00e1p su\u1ea5t CO\u2082 th\u1ef1c s\u1ef1 \u0111\u1ea9y \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng \u0111\u01b0\u1eddng v\u00e0o nh\u00e2n h\u1ea1t?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u00c1p su\u1ea5t CO\u2082 bu\u1ed9c ch\u1ea5t l\u1ecfng \u0111i qua l\u1edbp v\u1ecf qu\u1ea3, chuy\u1ec3n tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1eddng v\u00e0o ph\u1ea7n nh\u00e2n h\u1ea1t b\u00ean trong. Kh\u00ed t\u1ea1o ra m\u1ed9t \u00e1p l\u1ef1c th\u1ea9m th\u1ea5u \u0111\u1ea9y ph\u1ea7n d\u1ecbch qu\u1ea3 v\u01b0\u1ee3t qua h\u00e0ng r\u00e0o l\u1edbp nh\u1ea7y, nh\u1edd \u0111\u00f3 nh\u00e2n h\u1ea1t h\u1ea5p th\u1ee5 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng l\u00ean men nhi\u1ec1u h\u01a1n tr\u01b0\u1edbc khi s\u1ea5y kh\u00f4. L\u01b0\u1ee3ng \u0111\u01b0\u1eddng d\u01b0 th\u1eeba n\u00e0y tr\u1edf th\u00e0nh nhi\u00ean li\u1ec7u th\u00fac \u0111\u1ea9y s\u1ef1 h\u00ecnh th\u00e0nh este m\u1ea1nh m\u1ebd h\u01a1n v\u00e0o giai \u0111o\u1ea1n rang sau n\u00e0y.\"}},{\"@type\":\"Question\",\"name\":\"T\u1ea1i sao hai m\u1ebb rang c\u00f3 th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9, pH v\u00e0 Brix gi\u1ed1ng h\u1ec7t nhau m\u00e0 v\u1eabn cho ra h\u01b0\u01a1ng v\u1ecb kh\u00e1c bi\u1ec7t?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ch\u00fang v\u1eabn c\u00f3 h\u01b0\u01a1ng v\u1ecb kh\u00e1c bi\u1ec7t v\u00ec tr\u00ecnh t\u1ef1 thay th\u1ebf vi sinh v\u1eadt c\u00f3 th\u1ec3 r\u1ebd nh\u00e1nh, d\u1eabn t\u1edbi nh\u1eefng k\u1ebft qu\u1ea3 v\u1ec1 v\u1ecb kh\u00e1c nhau. B\u1ea5t k\u1ef3 r\u00f2 r\u1ec9 oxy c\u1ef1c nh\u1ecf n\u00e0o, \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1ecf tr\u00e1i, hay d\u00e2n s\u1ed1 c\u00e1c ch\u1ee7ng n\u1ea5m men kh\u1edfi \u0111i\u1ec3m \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m \u0111\u1ea3o l\u1ed9n s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa n\u1ea5m men v\u00e0 vi khu\u1ea9n, l\u00e0m sai l\u1ec7ch h\u1ed3 s\u01a1 este v\u00e0 axit m\u1eb7c cho c\u00e1c ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng \u0111\u00e3 kh\u1edbp v\u1edbi nhau.\"}},{\"@type\":\"Question\",\"name\":\"\u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu \u0111\u1ed9 pH t\u1ee5t xu\u1ed1ng d\u01b0\u1edbi 3,8 trong su\u1ed1t qu\u00e1 tr\u00ecnh l\u00ean men?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"N\u1ebfu \u0111\u1ed9 pH gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c 3,8, vi khu\u1ea9n ch\u1ecbu axit s\u1ebd chi\u1ebfm th\u1ebf th\u01b0\u1ee3ng phong v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n sinh ra qu\u00e1 nhi\u1ec1u axit acetic, d\u1eabn \u0111\u1ebfn nh\u1eefng h\u01b0\u01a1ng v\u1ecb l\u1ed7i \u0111\u1eadm m\u00f9i gi\u1ea5m. N\u1ed3ng \u0111\u1ed9 pH qu\u00e1 th\u1ea5p c\u0169ng g\u00e2y c\u0103ng th\u1eb3ng cho n\u1ea5m men, l\u00e0m gi\u1ea3m thi\u1ec3u qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p este, v\u00ec th\u1ebf m\u1ebb c\u00e0 ph\u00ea c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ecfng l\u1ebbo, chua g\u1eaft v\u00e0 th\u1ea5t b\u1ea1i trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1ecb funk nh\u01b0 mong mu\u1ed1n.\"}},{\"@type\":\"Question\",\"name\":\"S\u1eed d\u1ee5ng nit\u01a1 thay cho CO\u2082 \u0111\u1ec3 x\u1ea3 kh\u00ed \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00ean men?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"D\u00f9ng nit\u01a1 \u0111\u1ec3 x\u1ea3 kh\u00ed s\u1ebd lo\u1ea1i b\u1ecf oxy m\u00e0 kh\u00f4ng dung n\u1ea1p th\u00eam CO\u2082 h\u00f2a ti\u1ebfng, v\u00ec th\u1ebf qu\u00e1 tr\u00ecnh ng\u1ea5m \u0111\u01b0\u1eddng nh\u1edd \u00e1p l\u1ef1c \u00e1p su\u1ea5t kh\u00f4ng bao gi\u1edd di\u1ec5n ra. H\u1ea1t nh\u00e2n gi\u1eef l\u1ea1i \u00edt l\u01b0\u1ee3ng \u0111\u01b0\u1eddng b\u00ean trong h\u01a1n, sinh ra c\u00e1c este nh\u1ea1t nh\u00f2a h\u01a1n v\u00e0 m\u1ed9t ly c\u00e0 ph\u00ea tr\u00f2n v\u1ecb s\u1ea1ch s\u1ebd h\u01a1n nh\u01b0ng l\u1ea1i thi\u1ebfu \u0111i ch\u1ea5t \u201cfunk\u201d. N\u00f3 c\u0169ng l\u00e0m h\u1ea1n ch\u1ebf qu\u00e1 tr\u00ecnh cacbonat h\u00f3a t\u1ef1 nhi\u00ean v\u1ed1n \u0111\u00f3ng vai tr\u00f2 \u1ed5n \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng vi sinh v\u1eadt.\"}},{\"@type\":\"Question\",\"name\":\"Nh\u1eefng r\u1ee7i ro n\u00e0o x\u1ea3y ra n\u1ebfu s\u1ef1 c\u1ed1 c\u00fap \u0111i\u1ec7n l\u00e0m gi\u00e1n \u0111o\u1ea1n vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 gi\u1eefa ch\u1eebng khi \u0111ang l\u00ean men?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"M\u1ed9t s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ef1 do t\u0103ng ho\u1eb7c gi\u1ea3m s\u1ebd ph\u00e1 v\u1ee1 nh\u1ecbp \u0111i\u1ec7u trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a vi sinh v\u1eadt, g\u00e2y ra vi\u1ec7c s\u1ea3n sinh axit v\u00e0 este m\u1ed9t c\u00e1ch m\u1ea5t ki\u1ec3m so\u00e1t. Nh\u1eefng \u0111\u1ee3t s\u00f3ng nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh s\u1ef1 t\u00e0n l\u1ee5i c\u1ee7a n\u1ea5m men, trong khi nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh l\u1ea1i l\u00e0m \u0111\u00ecnh tr\u1ec7 ho\u1ea1t \u0111\u1ed9ng, c\u1ea3 hai \u0111\u1ec1u t\u1ea1o ra c\u00e1c t\u00fai h\u01b0\u01a1ng v\u1ecb thi\u1ebfu \u0111\u1ed3ng nh\u1ea5t v\u00e0 l\u00e0m t\u0103ng nguy c\u01a1 b\u1ecb \u00f4i h\u1ecfng n\u1ebfu b\u1ed3n kh\u00f4ng \u0111\u01b0\u1ee3c nhanh ch\u00f3ng \u0111\u00f3ng k\u00edn tr\u1edf l\u1ea1i.\"}},{\"@type\":\"Question\",\"name\":\"Li\u1ec7u vi\u1ec7c tr\u1ed9n l\u1eabn c\u00e1c gi\u1ed1ng c\u00e0 ph\u00ea v\u00e0o chung m\u1ed9t b\u1ed3n c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n h\u1ea1i cho hi\u1ec7u \u1ee9ng \u201cb\u1ed9 l\u1ecdc sinh h\u1ecdc\u201d kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pha tr\u1ed9n nhi\u1ec1u gi\u1ed1ng qu\u1ea3 kh\u00e1c nhau c\u00f3 th\u1ec3 ph\u00e1 h\u1ecfng b\u1ed9 l\u1ecdc sinh h\u1ecdc c\u1ee7a l\u1edbp v\u1ecf b\u1edfi \u0111\u1ed9 d\u00e0y v\u1ecf qu\u1ea3 v\u00e0 th\u00e0nh ph\u1ea7n l\u1edbp nh\u1ea7y kh\u00e1c bi\u1ec7t, l\u00e0m thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n oxy v\u00e0 gi\u1ea3i ph\u00f3ng \u0111\u01b0\u1eddng. B\u1ed9 l\u1ecdc kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u t\u1ea1o ra nh\u1eefng vi m\u00f4i tr\u01b0\u1eddng n\u01a1i m\u1ed9t s\u1ed1 vi sinh v\u1eadt ph\u00e1t tri\u1ec3n l\u1ea5n \u00e1t, d\u1eabn t\u1edbi s\u1ef1 ph\u00e2n b\u1ed5 este kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 mang l\u1ea1i m\u1ed9t h\u1ed3 s\u01a1 h\u01b0\u01a1ng v\u1ecb k\u00e9m t\u00ednh nh\u1ea5t qu\u00e1n.\"}}]}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>S\u01a1 ch\u1ebf anaerobic natural l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 to\u00e0n b\u1ed9 qu\u1ea3 c\u00e0 ph\u00ea \u0111\u01b0\u1ee3c l\u00ean men b\u00ean trong c\u00e1c b\u1ed3n k\u00edn, kh\u00f4ng c\u00f3 oxy. M\u00f4i tr\u01b0\u1eddng n\u00e0y s\u1eed d\u1ee5ng \u00e1p su\u1ea5t CO\u2082 cao v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi sinh v\u1eadt \u0111\u1ec3 ph\u00e2n gi\u1ea3i l\u01b0\u1ee3ng \u0111\u01b0\u1eddng trong tr\u00e1i c\u00e2y. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ki\u1ec3m so\u00e1t nghi\u00eam ng\u1eb7t nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u1ee9c pH \u0111\u1ec3 t\u1ea1o ra c\u00e1c axit h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p v\u00e0 h\u1ed3 s\u01a1 h\u01b0\u01a1ng v\u1ecb ri\u00eang bi\u1ec7t l\u00e0 th\u00e0nh qu\u1ea3 t\u1eeb nh\u1eefng \u0111i\u1ec1u ki\u1ec7n k\u1ef5 kh\u00ed \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t n\u00e0y.<\/p>\n","protected":false},"author":1,"featured_media":48455,"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 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Toan","author_link":"https:\/\/coffeefactz.com\/vi\/author\/pham-toan\/"},"uagb_comment_info":0,"uagb_excerpt":"S\u01a1 ch\u1ebf anaerobic natural l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 to\u00e0n b\u1ed9 qu\u1ea3 c\u00e0 ph\u00ea \u0111\u01b0\u1ee3c l\u00ean men b\u00ean trong c\u00e1c b\u1ed3n k\u00edn, kh\u00f4ng c\u00f3 oxy. M\u00f4i tr\u01b0\u1eddng n\u00e0y s\u1eed d\u1ee5ng \u00e1p su\u1ea5t CO\u2082 cao v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi sinh v\u1eadt \u0111\u1ec3 ph\u00e2n gi\u1ea3i l\u01b0\u1ee3ng \u0111\u01b0\u1eddng trong tr\u00e1i c\u00e2y. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ki\u1ec3m so\u00e1t nghi\u00eam&hellip;","_links":{"self":[{"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/posts\/54350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/comments?post=54350"}],"version-history":[{"count":0,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/posts\/54350\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/media\/48455"}],"wp:attachment":[{"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/media?parent=54350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/categories?post=54350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/tags?post=54350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}