{"id":54060,"date":"2026-06-18T20:14:59","date_gmt":"2026-06-18T13:14:59","guid":{"rendered":"https:\/\/coffeefactz.com\/?p=54060"},"modified":"2026-09-05T16:42:41","modified_gmt":"2026-09-05T09:42:41","slug":"trigonelline-melanoidin-hoa-hoc-ca-phe","status":"publish","type":"post","link":"https:\/\/coffeefactz.com\/vi\/trigonelline-melanoidin-hoa-hoc-ca-phe\/","title":{"rendered":"Trigonelline v\u00e0 Melanoidin: Hai H\u1ee3p Ch\u1ea5t Ki\u1ebfn T\u1ea1o H\u01b0\u01a1ng Th\u01a1m, Th\u1ec3 Ch\u1ea5t v\u00e0 Gi\u00e1 Tr\u1ecb S\u1ee9c Kh\u1ecfe C\u1ee7a C\u00e0 Ph\u00ea"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0110\u1ea7y nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9, trigonelline v\u00e0 melanoidin kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc ph\u1ee5 tr\u1ee3 \u2014 ch\u00fang ch\u00ednh l\u00e0 nh\u1eefng ki\u1ebfn tr\u00fac s\u01b0 tr\u01b0\u1edfng \u0111\u1ecbnh h\u00ecnh m\u1ecdi quy\u1ebft \u0111\u1ecbnh c\u1ee7a th\u1ee3 rang v\u00e0 m\u1ecdi c\u1ea3m nh\u1eadn n\u01a1i v\u00f2m h\u1ecdng ng\u01b0\u1eddi th\u01b0\u1edfng th\u1ee9c. Ri\u00eang melanoidin \u0111\u00e3 chi\u1ebfm t\u1edbi 23\u201325% tr\u1ecdng l\u01b0\u1ee3ng kh\u00f4 c\u1ee7a h\u1ea1t c\u00e0 ph\u00ea rang, d\u00f9 c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a ch\u00fang \u0111\u1ebfn nay v\u1eabn ch\u1ec9 m\u1edbi \u0111\u01b0\u1ee3c gi\u1ea3i m\u00e3 m\u1ed9t ph\u1ea7n. Trong khi \u0111\u00f3, trigonelline l\u1ea1i ph\u00e2n h\u1ee7y nhi\u1ec7t t\u1eeb r\u1ea5t s\u1edbm, tr\u01b0\u1edbc c\u1ea3 khi melanoidin k\u1ecbp tr\u00f9ng h\u1ee3p ho\u00e0n to\u00e0n, gieo m\u1ea7m cho to\u00e0n b\u1ed9 t\u1ea7ng h\u01b0\u01a1ng bay h\u01a1i m\u00e0 ng\u01b0\u1eddi u\u1ed1ng ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ebfn c\u1ea3 hai h\u1ee3p ch\u1ea5t n\u00e0y c\u00f3 \u00fd ngh\u0129a h\u1ecdc thu\u1eadt l\u1eabn th\u01b0\u01a1ng m\u1ea1i to l\u1edbn kh\u00f4ng n\u1eb1m \u1edf h\u00e0m l\u01b0\u1ee3ng d\u1ed3i d\u00e0o, m\u00e0 n\u1eb1m \u1edf ch\u00ednh c\u01a1 ch\u1ebf v\u1eadn h\u00e0nh c\u1ee7a ch\u00fang. S\u1ef1 ph\u00e2n h\u1ee7y nhi\u1ec7t c\u1ee7a trigonelline t\u1ea1o ra n\u1ed1t h\u01b0\u01a1ng h\u1ea1t rang v\u00e0 m\u00f9i \u0111\u1ea5t m\u1ed9c m\u1ea1c \u0111\u1eb7c tr\u01b0ng; c\u00f2n melanoidin \u0111\u1ecbnh \u0111o\u1ea1t \u0111\u1ed9 \u0111\u1eadm \u0111\u00e0 (body), \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u1edbp crema v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng h\u01b0\u01a1ng th\u01a1m \u2014 r\u1ed3i ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng b\u1ec1n b\u1ec9 trong \u0111\u01b0\u1eddng ru\u1ed9t. B\u1ee9c tranh h\u00f3a h\u1ecdc n\u00e0y v\u1ed1n \u0111\u00e3 r\u1ea5t v\u1eefng ch\u1eafc, nh\u01b0ng t\u00e1c \u0111\u1ed9ng sinh l\u00fd h\u1ecdc v\u1eabn c\u00f2n nhi\u1ec1u tranh lu\u1eadn v\u00e0 g\u1ea7n nh\u01b0 ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c truy\u1ec1n th\u00f4ng m\u1ed9t c\u00e1ch trung th\u1ef1c t\u1edbi ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Melanoidin L\u00e0 G\u00ec V\u00e0 Ch\u00fang H\u00ecnh Th\u00e0nh Trong C\u00e0 Ph\u00ea Nh\u01b0 Th\u1ebf N\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Melanoidin l\u00e0 nh\u1eefng polymer m\u00e0u n\u00e2u gi\u00e0u nit\u01a1, c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao, \u0111\u01b0\u1ee3c ki\u1ebfn t\u1ea1o ho\u00e0n to\u00e0n th\u00f4ng qua ph\u1ea3n \u1ee9ng Maillard \u2014 qu\u00e1 tr\u00ecnh ng\u01b0ng t\u1ee5 gi\u1eefa \u0111\u01b0\u1eddng kh\u1eed v\u00e0 c\u00e1c axit amin t\u1ef1 do tr\u00ean khung \u0111\u1ee1 polysaccharide, c\u00f9ng s\u1ef1 tham gia c\u1ee7a protein v\u00e0 axit chlorogenic nh\u01b0 nh\u1eefng m\u1eaft x\u00edch c\u1ea5u tr\u00fac. M\u1ed9t c\u00e2u t\u00f3m l\u01b0\u1ee3c duy nh\u1ea5t \u1ea5y \u0111\u00e3 bao h\u00e0m to\u00e0n b\u1ed9 logic h\u00ecnh th\u00e0nh, nh\u01b0ng khi m\u1ed5 x\u1ebb chi ti\u1ebft, ch\u00fang ta s\u1ebd th\u1ea5y v\u00ec sao melanoidin l\u1ea1i \u0111a d\u1ea1ng v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc \u0111\u1ebfn v\u1eady v\u00e0 t\u1ea1i sao ki\u1ebfn tr\u00fac ph\u00e2n t\u1eed c\u1ee7a ch\u00fang l\u1ea1i th\u00e1ch th\u1ee9c gi\u1edbi khoa h\u1ecdc su\u1ed1t nhi\u1ec1u th\u1eadp k\u1ef7 qua.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea3n \u1ee9ng Maillard kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t b\u01b0\u1edbc ph\u1ea3n \u1ee9ng \u0111\u01a1n l\u1ebb. \u0110\u00f3 l\u00e0 m\u1ed9t chu\u1ed7i ph\u00e2n nh\u00e1nh li\u00ean ho\u00e0n g\u1ed3m c\u00e1c b\u01b0\u1edbc ng\u01b0ng t\u1ee5, t\u00e1i s\u1eafp x\u1ebfp v\u00e0 tr\u00f9ng h\u1ee3p, t\u0103ng t\u1ed1c m\u1ea1nh m\u1ebd khi nhi\u1ec7t \u0111\u1ed9 rang v\u01b0\u1ee3t ng\u01b0\u1ee1ng 140\u00b0C. Arabinogalactan \u2014 polysaccharide chi\u1ebfm \u01b0u th\u1ebf nh\u1ea5t trong h\u1ea1t c\u00e0 ph\u00ea \u2014 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ed9 khung x\u01b0\u01a1ng \u0111\u1ec3 c\u00e1c m\u1ea3nh axit amin b\u1ecb ph\u00e2n r\u00e3 v\u00e0 g\u1ed1c axit chlorogenic g\u1eafn k\u1ebft v\u00e0o. K\u1ebft qu\u1ea3 kh\u00f4ng t\u1ea1o ra m\u1ed9t ph\u00e2n t\u1eed \u0111\u1ed3ng nh\u1ea5t, m\u00e0 l\u00e0 m\u1ed9t qu\u1ea7n th\u1ec3 polymer tr\u1ea3i d\u00e0i tr\u00ean ph\u1ed5 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed t\u1eeb 2\u201322 kDa, trong \u0111\u00f3 ph\u00e2n \u0111o\u1ea1n tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao tr\u00ean 100 kDa chi\u1ebfm kho\u1ea3ng 38% t\u1ed5ng l\u01b0\u1ee3ng melanoidin. Nit\u01a1 phi protein (NPN), sinh ra t\u1eeb c\u00e1c axit amin b\u1ecb b\u1ebb g\u00e3y khi rang, \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o m\u1ea1ng l\u01b0\u1edbi polymer \u2014 \u0111\u00e2y l\u00e0 l\u00fd do v\u00ec sao c\u00e1c ph\u00e9p \u0111\u1ecbnh l\u01b0\u1ee3ng protein ti\u00eau chu\u1ea9n th\u01b0\u1eddng \u0111\u1ecdc sai c\u00e1c ph\u00e2n \u0111o\u1ea1n ch\u1ee9a melanoidin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ef7 tr\u1ecdng c\u1ee7a ch\u00fang trong t\u00e1ch c\u00e0 ph\u00ea r\u1ea5t d\u1ec5 b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p. Melanoidin chi\u1ebfm kho\u1ea3ng 23\u201325% tr\u1ecdng l\u01b0\u1ee3ng kh\u00f4 c\u1ee7a h\u1ea1t rang v\u00e0 \u0111\u00f3ng g\u00f3p 29\u201330% t\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan trong ly c\u00e0 ph\u00ea \u2014 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 1\u20132g m\u1ed7i ng\u00e0y cho m\u1ed9t ng\u01b0\u1eddi u\u1ed1ng c\u00e0 ph\u00ea \u0111\u1ec1u \u0111\u1eb7n. L\u01b0\u1ee3ng ti\u00eau th\u1ee5 n\u00e0y ngang ng\u1eeda v\u1edbi l\u01b0\u1ee3ng melanoidin n\u1ea1p t\u1eeb v\u1ecf b\u00e1nh m\u00ec n\u01b0\u1edbng hay bia m\u1ea1ch nha trong ch\u1ebf \u0111\u1ed9 \u0103n ph\u01b0\u01a1ng T\u00e2y \u0111i\u1ec3n h\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[S\u1ed1 li\u1ec7u]: Melanoidin chi\u1ebfm 23\u201325% tr\u1ecdng l\u01b0\u1ee3ng kh\u00f4 c\u1ee7a c\u00e0 ph\u00ea rang v\u00e0 29\u201330% ch\u1ea5t r\u1eafn trong ly n\u01b0\u1edbc, cung c\u1ea5p kho\u1ea3ng 1\u20132g m\u1ed7i ng\u00e0y cho ng\u01b0\u1eddi th\u01b0\u1edfng th\u1ee9c th\u01b0\u1eddng xuy\u00ean \u2014 d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p t\u1eeb <a href=\"https:\/\/jayarr.coffee\/deep-brew\/research\/melanoidins-body-color-health\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>nghi\u00ean c\u1ee9u chuy\u00ean s\u00e2u c\u1ee7a Jayarr Coffee<\/strong><\/u><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 c\u00f3 s\u1ed1 li\u1ec7u \u0111\u1ecbnh l\u01b0\u1ee3ng r\u00f5 r\u00e0ng nh\u01b0 v\u1eady, c\u1ea5u tr\u00fac ph\u00e2n t\u1eed ch\u00ednh x\u00e1c c\u1ee7a melanoidin \u0111\u1ebfn nay v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ecbnh danh tr\u1ecdn v\u1eb9n. Ng\u01b0\u1eddi ta nh\u1eadn bi\u1ebft melanoidin qua con \u0111\u01b0\u1eddng h\u00ecnh th\u00e0nh v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc chung \u2014 m\u00e0u n\u00e2u \u0111\u1eb7c tr\u01b0ng, h\u00e0m l\u01b0\u1ee3ng nit\u01a1, kh\u1ea3 n\u0103ng b\u1eaft gi\u1eef g\u1ed1c t\u1ef1 do v\u00e0 t\u00ednh kh\u00e1ng enzyme ti\u00eau h\u00f3a \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ef1a tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb c\u1ea5u tr\u00fac l\u1eb7p l\u1ea1i c\u1ed1 \u0111\u1ecbnh n\u00e0o. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kho\u1ea3ng tr\u1ed1ng h\u1ecdc thu\u1eadt ch\u01b0a k\u1ecbp l\u1ea5p \u0111\u1ea7y; n\u00f3 ph\u1ea3n \u00e1nh b\u1ea3n ch\u1ea5t ph\u1ee9c t\u1ea1p v\u1ed1n c\u00f3 c\u1ee7a m\u1ed9t nh\u00f3m polymer \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p t\u1eeb h\u00e0ng ch\u1ee5c ti\u1ec1n ch\u1ea5t kh\u00e1c nhau d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t bi\u1ebfn \u0111\u1ed5i li\u00ean t\u1ee5c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.frontiersin.org\/articles\/10.3389\/fnut.2019.00016\/full\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>TS. Maria Dolores del Castillo<\/strong><\/u><\/a>, Nh\u00e0 khoa h\u1ecdc cao c\u1ea5p v\u00e0 Tr\u01b0\u1edfng nh\u00f3m Sinh h\u1ecdc Th\u1ef1c ph\u1ea9m t\u1ea1i H\u1ed9i \u0111\u1ed3ng Nghi\u00ean c\u1ee9u Qu\u1ed1c gia T\u00e2y Ban Nha (CSIC), \u0111\u00e3 m\u00f4 t\u1ea3 melanoidin trong c\u00e0 ph\u00ea l\u00e0 c\u00e1c \u0111\u1ea1i ph\u00e2n t\u1eed s\u1edf h\u1eefu nhi\u1ec1u \u0111\u1eb7c t\u00ednh th\u00fac \u0111\u1ea9y s\u1ee9c kh\u1ecfe \u2014 bao g\u1ed3m kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a, kh\u00e1ng vi\u00eam, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ea5t x\u01a1 h\u00f2a tan v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng prebiotic \u2014 \u0111\u1ed3ng th\u1eddi t\u1ea1o \u1ea3nh h\u01b0\u1edfng s\u00e2u s\u1eafc \u0111\u1ebfn h\u1ed3 s\u01a1 c\u1ea3m quan v\u00e0 m\u1ee9c \u0111\u1ed9 \u0111\u00f3n nh\u1eadn c\u1ee7a ng\u01b0\u1eddi th\u01b0\u1edfng th\u1ee9c. C\u00e1ch nh\u00ecn nh\u1eadn n\u00e0y mang \u0111\u1ebfn th\u00f4ng \u0111i\u1ec7p gi\u00e1 tr\u1ecb cho gi\u1edbi chuy\u00ean m\u00f4n: melanoidin kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng s\u1eafc t\u1ed1 s\u1eabm m\u00e0u th\u1ee5 \u0111\u1ed9ng. Ch\u00fang l\u00e0 nh\u1eefng polymer c\u00f3 c\u1ea5u tr\u00fac linh ho\u1ea1t v\u00e0 t\u01b0\u01a1ng t\u00e1c sinh h\u1ecdc m\u1ea1nh m\u1ebd, v\u1edbi h\u00e0nh vi trong t\u00e1ch n\u01b0\u1edbc l\u1eabn trong c\u01a1 th\u1ec3 ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o vi\u1ec7c ph\u00e2n \u0111o\u1ea1n n\u00e0o \u0111ang chi\u1ebfm \u01b0u th\u1ebf \u2014 m\u1ed9t k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i b\u1edfi m\u1ee9c \u0111\u1ed9 rang.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Trigonelline: Ti\u1ec1n Ch\u1ea5t T\u1ea1o H\u01b0\u01a1ng Th\u01a1m \u1ea8n Gi\u1ea5u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ec5 b\u1ecb ph\u00e2n h\u1ee7y b\u1edfi nhi\u1ec7t \u0111\u1ed9, trigonelline \u2014 m\u1ed9t alkaloid nh\u00f3m pyridine chi\u1ebfm 0,5\u20131% trong h\u1ea1t Arabica xanh v\u00e0 l\u00ean t\u1edbi 2% trong Robusta \u2014 l\u00e0 alkaloid d\u1ed3i d\u00e0o th\u1ee9 hai trong c\u00e0 ph\u00ea sau caffeine. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 h\u1ee3p ch\u1ea5t m\u00e0 s\u1ef1 ph\u00e2n r\u00e3 c\u1ee7a n\u00f3 \u0111\u1ecbnh h\u00ecnh tr\u1ef1c ti\u1ebfp nh\u1ea5t h\u1ed3 s\u01a1 m\u00f9i h\u01b0\u01a1ng rang \u0111\u1eb7c tr\u01b0ng. Trong khi caffeine tr\u01a1 l\u1ef3 v\u01b0\u1ee3t qua l\u00f2 rang g\u1ea7n nh\u01b0 nguy\u00ean v\u1eb9n, trigonelline b\u1eaft \u0111\u1ea7u ph\u00e2n h\u1ee7y nhi\u1ec7t ngay t\u1eeb kho\u1ea3ng 160\u00b0C \u2014 ngh\u0129a l\u00e0 n\u00f3 \u0111\u00e3 b\u1ecb \u0111\u1ed1t ch\u00e1y v\u00e0 bi\u1ebfn \u0111\u1ed5i tr\u01b0\u1edbc c\u1ea3 khi qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p melanoidin \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ec9nh \u0111i\u1ec3m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con \u0111\u01b0\u1eddng ph\u00e2n h\u1ee7y ch\u00ednh c\u1ee7a trigonelline l\u00e0 kh\u1eed methyl \u0111\u1ec3 t\u1ea1o th\u00e0nh axit nicotinic (niacin hay vitamin B3), nh\u01b0ng s\u1ea3n ph\u1ea9m c\u00f3 gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ed1i v\u1edbi t\u1ea7ng h\u01b0\u01a1ng l\u1ea1i l\u00e0 c\u00e1c ch\u1ea5t bay h\u01a1i \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng song song: pyridine, pyrrole v\u00e0 alkyl-pyrazine. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng h\u1ee3p ch\u1ea5t d\u1ea1ng v\u1ebft. C\u00e1c ph\u00e2n t\u1eed pyridine sinh ra t\u1eeb trigonelline l\u00e0 nh\u00e2n t\u1ed1 c\u1ed1t l\u00f5i t\u1ea1o n\u00ean n\u00e9t &#8220;rang th\u01a1m n\u1ed3ng&#8221; ph\u00e2n bi\u1ec7t h\u1ea1t c\u00e0 ph\u00ea ch\u00edn v\u1edbi h\u1ea1t nh\u00e2n xanh nguy\u00ean b\u1ea3n, mang l\u1ea1i c\u00e1c d\u1ea3i c\u1ea3m quan bi\u1ebfn chuy\u1ec3n t\u1eeb m\u00f9i h\u1ea1t d\u1ebb n\u01b0\u1edbng v\u00e0 h\u01b0\u01a1ng \u0111\u1ea5t m\u1ed9c m\u1ea1c \u1edf m\u1ee9c rang v\u1eeba, chuy\u1ec3n sang v\u1ecb ng\u1ecdt caramel, v\u00e0 khi rang t\u1edbi m\u1ee9c r\u1ea5t \u0111\u1eadm, s\u1ebd tho\u00e1i h\u00f3a th\u00e0nh v\u1ecb \u0111\u1eafng kh\u00e9t nh\u01b0 tro do pyridine b\u1ecb bi\u1ebfn \u0111\u1ed5i th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1 h\u1eafc \u00edn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u01b0a trigonelline v\u00e0o m\u1ed9t nh\u00f3m ch\u1ee9c n\u0103ng ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t so v\u1edbi axit chlorogenic. S\u1ef1 ph\u00e2n h\u1ee7y axit chlorogenic t\u1ea1o ra c\u00e1c n\u1ed1t h\u01b0\u01a1ng phenolic, ch\u00e1t nh\u1eb9 v\u00e0 chua g\u1eaft; c\u00f2n s\u1ef1 ph\u00e2n h\u1ee7y c\u1ee7a trigonelline t\u1ea1o n\u00ean chi\u1ec1u s\u00e2u kh\u00f4 r\u00e1o, m\u00f9i h\u1ea1t rang v\u00e0 n\u1ed1t h\u01b0\u01a1ng \u0111\u1ea5t. C\u1ea3 hai qu\u00e1 tr\u00ecnh di\u1ec5n ra \u0111\u1ed3ng th\u1eddi nh\u01b0ng kh\u00f4ng h\u1ec1 tri\u1ec7t ti\u00eau l\u1eabn nhau \u2014 ch\u00fang \u0111an xen v\u00e0 b\u1ed3i \u0111\u1eafp th\u00e0nh nhi\u1ec1u t\u1ea7ng h\u01b0\u01a1ng ph\u1ee9c h\u1ee3p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0308814600002260\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>GS. Isabel M. P. L. V. O. Ferreira<\/strong><\/u><\/a> thu\u1ed9c \u0110\u1ea1i h\u1ecdc Porto \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng s\u1ef1 hao h\u1ee5t trigonelline ph\u1ee5 thu\u1ed9c ch\u1eb7t ch\u1ebd v\u00e0o c\u1ea5p \u0111\u1ed9 rang v\u00e0 li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi s\u1ef1 h\u00ecnh th\u00e0nh axit nicotinic. \u0110\u00e1ng ch\u00fa \u00fd, nghi\u00ean c\u1ee9u c\u1ee7a b\u00e0 nh\u1ea5n m\u1ea1nh c\u00e1c h\u1ee3p ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau khi n\u1eb1m trong ma tr\u1eadn c\u00e0 ph\u00ea t\u1ef1 nhi\u00ean so v\u1edbi khi th\u1eed nghi\u1ec7m trong c\u00e1c h\u1ed7n h\u1ee3p nh\u00e2n t\u1ea1o, l\u00e0m n\u1ed5i b\u1eadt \u1ea3nh h\u01b0\u1edfng t\u01b0\u01a1ng h\u1ed7 c\u1ee7a m\u00f4i tr\u01b0\u1eddng h\u00f3a h\u1ecdc trong to\u00e0n b\u1ed9 h\u1ea1t c\u00e0 ph\u00ea. Ph\u00e1t hi\u1ec7n n\u00e0y mang l\u1ea1i b\u00e0i h\u1ecdc th\u1ef1c ti\u1ec5n: vi\u1ec7c d\u1ef1 \u0111o\u00e1n h\u01b0\u01a1ng th\u01a1m t\u1eeb c\u00e1c m\u00f4 h\u00ecnh \u0111\u01a1n ch\u1ea5t s\u1ebd lu\u00f4n \u0111\u00e1nh gi\u00e1 th\u1ea5p c\u00e1c hi\u1ec7u \u1ee9ng t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p di\u1ec5n ra trong m\u1ed9t m\u1ebb rang th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi thu mua c\u00e0 ph\u00ea nh\u00e2n xanh, bi\u1ebfn s\u1ed1 Robusta r\u1ea5t \u0111\u00e1ng l\u01b0u t\u00e2m. C\u00e1c m\u1ebb pha tr\u1ed9n (blend) c\u00f3 t\u1ef7 l\u1ec7 Robusta cao, ho\u1eb7c c\u00e1c gi\u1ed1ng Arabica \u0111\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn c\u00f3 h\u00e0m l\u01b0\u1ee3ng trigonelline d\u1ed3i d\u00e0o, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng c\u00f3 ch\u1ee7 \u0111\u00edch \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i n\u1ed1t h\u01b0\u01a1ng h\u1ea1t rang v\u00e0 m\u00f9i \u0111\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n \u00e9p nhi\u1ec7t \u0111\u1ed9 rang l\u00ean qu\u00e1 cao \u2014 n\u01a1i c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ee7y ti\u00eau c\u1ef1c b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n. Ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t m\u1eabu Arabica \u00edt trigonelline khi rang \u1edf m\u1ee9c s\u00e1ng \u0111\u1ebfn v\u1eeba s\u1ebd ph\u00f4 di\u1ec5n c\u00e1c ester h\u01b0\u01a1ng hoa v\u00e0 tr\u00e1i c\u00e2y m\u1ed9t c\u00e1ch trong tr\u1ebbo h\u01a1n \u2014 kh\u00f4ng ph\u1ea3i v\u00ec c\u00e1c ester \u0111\u00f3 nhi\u1ec1u h\u01a1n, m\u00e0 v\u00ec m\u00f9i pyridine \u0111\u1ed1i kh\u00e1ng \u00edt l\u1ea5n \u00e1t h\u01a1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">D\u1ea5u \u1ea4n C\u1ea3m Quan C\u1ee7a Melanoidin: M\u00e0u S\u1eafc, Th\u1ec3 Ch\u1ea5t, L\u1edbp Crema V\u00e0 Kh\u1ea3 N\u0103ng L\u01b0u H\u01b0\u01a1ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1edd \u0111\u1eb7c t\u00ednh ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t v\u00e0 khung s\u01b0\u1eddn polysaccharide tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao, melanoidin ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho b\u1ed1n thu\u1ed9c t\u00ednh c\u1ea3m quan quan tr\u1ecdng nh\u1ea5t v\u1ec1 m\u1eb7t th\u01b0\u01a1ng m\u1ea1i trong t\u00e1ch c\u00e0 ph\u00ea: m\u00e0u s\u1eafc m\u1ebb rang, th\u1ec3 ch\u1ea5t c\u00f9ng \u0111\u1ed9 d\u00e0y v\u00f2m h\u1ecdng (body &#038; mouthfeel), \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a l\u1edbp crema espresso, v\u00e0 nh\u1ecbp \u0111i\u1ec7u gi\u1ea3i ph\u00f3ng h\u01b0\u01a1ng th\u01a1m bay h\u01a1i theo th\u1eddi gian. B\u1ed1n y\u1ebfu t\u1ed1 n\u00e0y kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng ri\u00eang r\u1ebd \u2014 ch\u00fang b\u1eaft ngu\u1ed3n t\u1eeb c\u00f9ng m\u1ed9t \u0111\u1eb7c t\u00ednh c\u1ea5u tr\u00fac v\u1eadn h\u00e0nh \u1edf c\u00e1c quy m\u00f4 v\u1eadt l\u00fd kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e0u S\u1eafc M\u1ebb Rang V\u00e0 S\u1ef1 T\u00edch T\u1ee5 Theo Chi\u1ec1u D\u00e0i Ph\u1ea3n \u1ee8ng Maillard<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e0u s\u1eafc h\u1ea1t rang ph\u1ea3n \u00e1nh tr\u1ef1c ti\u1ebfp s\u1ef1 t\u00edch l\u0169y melanoidin. Khi ph\u1ea3n \u1ee9ng Maillard ti\u1ebfn tri\u1ec3n qua c\u00e1c c\u1ea5p \u0111\u1ed9 rang s\u00e1ng, v\u1eeba v\u00e0 \u0111\u1eadm, n\u1ed3ng \u0111\u1ed9 ng\u00e0y c\u00e0ng cao v\u00e0 tr\u1ea1ng th\u00e1i tr\u00f9ng h\u1ee3p ph\u1ee9c t\u1ea1p c\u1ee7a melanoidin t\u1ea1o n\u00ean d\u1ea3i m\u00e0u quen thu\u1ed9c t\u1eeb v\u00e0ng h\u1ed5 ph\u00e1ch nh\u1ea1t cho \u0111\u1ebfn n\u00e2u \u0111en tuy\u1ec1n. M\u1ed1i li\u00ean h\u1ec7 n\u00e0y kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 th\u1ecb gi\u00e1c \u2014 m\u00e0u s\u1eafc ch\u00ednh l\u00e0 \u0111\u1ea1i di\u1ec7n cho m\u1eadt \u0111\u1ed9 melanoidin, v\u00e0 m\u1eadt \u0111\u1ed9 melanoidin s\u1ebd d\u1ef1 b\u00e1o c\u1ea3 c\u01b0\u1eddng \u0111\u1ed9 c\u1ea3m quan l\u1eabn ho\u1ea1t t\u00ednh sinh h\u1ecdc c\u1ee7a t\u00e1ch c\u00e0 ph\u00ea.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch Khung Polysaccharide X\u00e2y D\u1ef1ng Th\u1ec3 Ch\u1ea5t (Body)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khung s\u01b0\u1eddn polysaccharide c\u1ee7a melanoidin ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t l\u00e0m d\u00e0y t\u1ef1 nhi\u00ean h\u00f2a tan trong t\u00e1ch c\u00e0 ph\u00ea, l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt v\u00e0 t\u1ea1o n\u00ean c\u1ea3m gi\u00e1c \u0111\u1ea7m tay, s\u00e1nh m\u1ecbn bao b\u1ecdc l\u1ea5y v\u00f2m mi\u1ec7ng \u2014 \u0111i\u1ec1u m\u00e0 gi\u1edbi chuy\u00ean m\u00f4n g\u1ecdi l\u00e0 body hay mouthfeel. C\u01a1 ch\u1ebf n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ea5t x\u01a1 h\u00f2a tan: c\u00e1c chu\u1ed7i polymer d\u00e0i trong dung d\u1ecbch c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y v\u00e0 t\u1ea1o ra \u1ea5n t\u01b0\u1ee3ng v\u1eadt l\u00fd v\u1ec1 \u0111\u1ed9 \u0111\u1eadm \u0111\u1eb7c m\u00e0 n\u01b0\u1edbc tinh khi\u1ebft kh\u00f4ng th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c. Melanoidin tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c m\u1ebb rang \u0111\u1eadm s\u1edf h\u1eefu chu\u1ed7i polysaccharide d\u00e0i h\u01a1n v\u00e0 nhi\u1ec1u m\u1ea3nh protein li\u00ean k\u1ebft ch\u00e9o h\u01a1n, gi\u00fap ch\u00fang t\u1ea1o th\u1ec3 ch\u1ea5t d\u00e0y d\u1eb7n h\u01a1n h\u1eb3n c\u00e1c ph\u1ee9c h\u1ee3p melano-chlorogenic ph\u00e2n t\u1eed nh\u1ecf \u1edf m\u1ebb rang nh\u1ea1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ed4n \u0110\u1ecbnh L\u1edbp Crema Espresso Nh\u1edd L\u1edbp M\u00e0ng Nh\u1edbt-\u0110\u00e0n H\u1ed3i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Melanoidin gi\u1eef cho l\u1edbp crema espresso \u0111\u1ee9ng v\u1eefng b\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 nh\u01b0 c\u00e1c polymer ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t t\u1ea1i ranh gi\u1edbi ti\u1ebfp x\u00fac gi\u1eefa pha kh\u00ed v\u00e0 pha l\u1ecfng. Trong qu\u00e1 tr\u00ecnh chi\u1ebft xu\u1ea5t d\u01b0\u1edbi \u00e1p su\u1ea5t cao, kh\u00ed CO2 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng \u1ed3 \u1ea1t t\u1eeb b\u1ed9t c\u00e0 ph\u00ea; c\u00e1c ph\u00e2n t\u1eed melanoidin nhanh ch\u00f3ng di chuy\u1ec3n \u0111\u1ebfn b\u1ec1 m\u1eb7t c\u00e1c b\u1ecdt kh\u00ed n\u00e0y v\u00e0 d\u1ec7t n\u00ean m\u1ed9t l\u1edbp m\u00e0ng nh\u1edbt-\u0111\u00e0n h\u1ed3i (viscoelastic film) ng\u0103n kh\u00f4ng cho c\u00e1c b\u1ecdt kh\u00ed h\u1ee3p nh\u1ea5t l\u1ea1i v\u00e0 v\u1ee1 ra. N\u1ebfu thi\u1ebfu h\u1ee5t l\u01b0\u1ee3ng melanoidin c\u1ea7n thi\u1ebft \u2014 nh\u01b0 trong c\u00e1c m\u1ebb rang qu\u00e1 nh\u1ea1t ho\u1eb7c nh\u1eefng shot chi\u1ebft xu\u1ea5t non (under-extracted) \u2014 l\u1edbp crema s\u1ebd r\u1ea5t m\u1ecfng manh, tan bi\u1ebfn nhanh ch\u00f3ng v\u00e0 kh\u00f4ng duy tr\u00ec \u0111\u01b0\u1ee3c k\u1ebft c\u1ea5u b\u1ecdt d\u1ebbo dai \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u1ed9t shot espresso chu\u1ea9n m\u1ef1c. \u0110\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng h\u00f3a l\u00fd b\u1ec1 m\u1eb7t, kh\u00f4ng ph\u1ea3i do k\u1ef9 thu\u1eadt n\u00e9n hay chi\u1ebft xu\u1ea5t th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u00ecnh \u1ea3nh tr\u1ef1c quan minh h\u1ecda c\u1ea5u tr\u00fac melanoidin h\u1ed7 tr\u1ee3 gi\u1eef v\u1eefng l\u1edbp crema t\u1ea1i ranh gi\u1edbi pha kh\u00ed-l\u1ecfng:<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/espresso-crema-melanoidin-structure.webp\" alt=\"Macro view of espresso crema showing viscoelastic melanoidin film\" class=\"wp-image-51162\" title=\"\" srcset=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/espresso-crema-melanoidin-structure.webp 1280w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/espresso-crema-melanoidin-structure-300x169.webp 300w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/espresso-crema-melanoidin-structure-1024x576.webp 1024w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/espresso-crema-melanoidin-structure-768x432.webp 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ee9c N\u0103ng Gi\u1eef H\u01b0\u01a1ng V\u00e0 Nh\u1ecbp \u0110i\u1ec7u Gi\u1ea3i Ph\u00f3ng M\u00f9i Th\u01a1m<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Melanoidin gi\u1eef ch\u1eb7t c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng th\u01a1m bay h\u01a1i \u2014 bao g\u1ed3m c\u1ea3 c\u00e1c ph\u00e2n t\u1eed pyridine sinh ra t\u1eeb trigonelline \u2014 ngay trong qu\u00e1 tr\u00ecnh rang v\u00e0 b\u00ean trong dung d\u1ecbch c\u00e0 ph\u00ea, sau \u0111\u00f3 gi\u1ea3i ph\u00f3ng ch\u00fang t\u1eeb t\u1eeb theo n\u1ed3ng \u0111\u1ed9 v\u00e0 nhi\u1ec7t \u0111\u1ed9. \u0110i\u1ec1u n\u00e0y bi\u1ebfn melanoidin t\u1eeb m\u1ed9t khung \u0111\u1ee1 th\u1ee5 \u0111\u1ed9ng th\u00e0nh b\u1ed9 \u0111i\u1ec1u ph\u1ed1i ch\u00ednh, quy\u1ebft \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 m\u00e0 ng\u01b0\u1eddi u\u1ed1ng c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c m\u00f9i h\u01b0\u01a1ng, t\u1eeb l\u00e0n h\u01b0\u01a1ng th\u01a1m ban \u0111\u1ea7u b\u1ed1c l\u00ean t\u1eeb mi\u1ec7ng t\u00e1ch cho \u0111\u1ebfn d\u01b0 v\u1ecb ng\u00e0o ng\u1ea1t n\u01a1i cu\u1ed1ng h\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.mdpi.com\/2304-8158\/10\/9\/2153\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>GS. Thomas Hofmann<\/strong><\/u><\/a>, Gi\u00e1o s\u01b0 H\u00f3a h\u1ecdc Th\u1ef1c ph\u1ea9m &#038; Khoa h\u1ecdc C\u1ea3m quan Ph\u00e2n t\u1eed, \u0111\u1ed3ng th\u1eddi l\u00e0 Ch\u1ee7 t\u1ecbch \u0110\u1ea1i h\u1ecdc K\u1ef9 thu\u1eadt Munich, \u0111\u00e3 ch\u1ee9ng minh qua ph\u00e2n t\u00edch \u0111\u1ed3ng v\u1ecb b\u1ec1n r\u1eb1ng c\u00e1c h\u1ee3p ch\u1ea5t thiol bay h\u01a1i \u2014 bao g\u1ed3m c\u1ea3 2-furfurylthiol, d\u1ea5u \u1ea5n m\u00f9i h\u01b0\u01a1ng rang \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e0 ph\u00ea \u2014 suy gi\u1ea3m r\u00f5 r\u1ec7t khi ch\u00fang li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb v\u1edbi melanoidin d\u01b0\u1edbi s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c g\u1ed1c cation pyrazinium. Li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb n\u00e0y kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 s\u1ef1 h\u1ea5p ph\u1ee5 b\u1ec1 m\u1eb7t; \u0111\u00f3 l\u00e0 m\u1ed9t bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc v\u0129nh vi\u1ec5n lo\u1ea1i b\u1ecf m\u1ed9t s\u1ed1 ch\u1ea5t bay h\u01a1i kh\u1ecfi kho\u1ea3ng kh\u00f4ng tr\u00ean b\u1ec1 m\u1eb7t c\u1ed1c. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 tho\u00e1i h\u00f3a m\u00f9i h\u01b0\u01a1ng v\u00e0 l\u00fd gi\u1ea3i v\u00ec sao h\u1ed3 s\u01a1 h\u01b0\u01a1ng th\u01a1m c\u1ee7a m\u1ed9t ly espresso rang \u0111\u1eadm l\u1ea1i bi\u1ebfn chuy\u1ec3n theo th\u1eddi gian kh\u00e1c bi\u1ec7t ho\u00e0n to\u00e0n so v\u1edbi m\u1ed9t b\u00ecnh pour-over rang nh\u1ea1t. Ph\u00e2n bi\u1ec7t trigonelline l\u00e0 ngu\u1ed3n sinh h\u01b0\u01a1ng v\u00e0 melanoidin l\u00e0 c\u1ed7 xe l\u01b0u gi\u1eef, \u0111i\u1ec1u ti\u1ebft l\u00e0n h\u01b0\u01a1ng ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a gi\u00fap ch\u00fang ta hi\u1ec3u r\u00f5 \u00fd ngh\u0129a c\u1ee7a t\u1eebng quy\u1ebft \u0111\u1ecbnh c\u1ea5p \u0111\u1ed9 rang.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">M\u1ed5 X\u1ebb C\u00e1c Tuy\u00ean B\u1ed1 S\u1ee9c Kh\u1ecfe: Kh\u1ea3 N\u0103ng Ch\u1ed1ng Oxy H\u00f3a, Kh\u00e1ng Khu\u1ea9n V\u00e0 Prebiotic<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Melanoidin ho\u1ea1t t\u00ednh sinh h\u1ecdc \u0111\u00e3 t\u00edch l\u0169y m\u1ed9t danh s\u00e1ch d\u00e0i c\u00e1c l\u1ee3i \u00edch s\u1ee9c kh\u1ecfe \u0111\u01b0\u1ee3c ghi nh\u1eadn trong y v\u0103n \u2014 ch\u1ed1ng oxy h\u00f3a (qu\u00e9t g\u1ed1c t\u1ef1 do, \u1ee9c ch\u1ebf peroxy h\u00f3a lipid), kh\u00e1ng khu\u1ea9n (\u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi vi khu\u1ea9n li\u00ean c\u1ea7u khoang mi\u1ec7ng Gram d\u01b0\u01a1ng v\u00e0 m\u1ea7m b\u1ec7nh Gram \u00e2m), ng\u1eeba s\u00e2u r\u0103ng, kh\u00e1ng vi\u00eam, h\u1ea1 huy\u1ebft \u00e1p th\u00f4ng qua \u1ee9c ch\u1ebf men chuy\u1ec3n ACE, v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 prebiotic th\u00f4ng qua qu\u00e1 tr\u00ecnh l\u00ean men t\u1ea1i \u0111\u1ea1i tr\u00e0ng th\u00e0nh c\u00e1c axit b\u00e9o chu\u1ed7i ng\u1eafn (SCFA). Danh s\u00e1ch n\u00e0y ho\u00e0n to\u00e0n c\u00f3 th\u1eadt. Nh\u01b0ng c\u1ea5p \u0111\u1ed9 b\u1eb1ng ch\u1ee9ng \u0111\u1eb1ng sau ph\u1ea7n l\u1edbn c\u00e1c tuy\u00ean b\u1ed1 \u0111\u00f3 l\u1ea1i ch\u01b0a \u0111\u1ee7 \u0111\u1ed9 ch\u00edn mu\u1ed3i nh\u01b0 nh\u1eefng g\u00ec qu\u1ea3ng c\u00e1o th\u01b0\u1eddng th\u1ed5i ph\u1ed3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1eb1ng Ch\u1ee9ng \u1ed0ng Nghi\u1ec7m (In-Vitro) \u0110ang D\u1eebng L\u1ea1i \u1ede \u0110\u00e2u?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00e1c d\u1ee5ng ch\u1ed1ng oxy h\u00f3a v\u00e0 kh\u00e1ng khu\u1ea9n ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp trong c\u00e1c th\u00ed nghi\u1ec7m kh\u00f4ng c\u00f3 t\u1ebf b\u00e0o (cell-free) v\u00e0 m\u00f4 h\u00ecnh ti\u00eau h\u00f3a d\u1ea1 d\u00e0y nh\u00e2n t\u1ea1o, s\u1eed d\u1ee5ng n\u1ed3ng \u0111\u1ed9 melanoidin t\u1eeb 1,5\u20133 mg\/mL cho ho\u1ea1t t\u00ednh qu\u00e9t g\u1ed1c t\u1ef1 do v\u00e0 2\u20134 mg\/mL cho t\u00e1c d\u1ee5ng kh\u00e1ng khu\u1ea9n. Nh\u1eefng n\u1ed3ng \u0111\u1ed9 n\u00e0y n\u1eb1m trong ph\u1ea1m vi c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c trong \u0111\u01b0\u1eddng ru\u1ed9t sau khi u\u1ed1ng c\u00e0 ph\u00ea \u0111\u1ec1u \u0111\u1eb7n, \u0111\u00f3 l\u00e0 l\u00fd do ng\u01b0\u1eddi ta r\u1ea5t d\u1ec5 suy di\u1ec5n th\u00e0nh l\u1ee3i \u00edch tr\u1ef1c ti\u1ebfp tr\u00ean c\u01a1 th\u1ec3 ng\u01b0\u1eddi \u2014 th\u1ebf nh\u01b0ng \u0111\u01b0\u1eddng ru\u1ed9t kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t \u0111\u0129a petri, v\u00e0 h\u1ec7 vi sinh \u0111\u01b0\u1eddng ru\u1ed9t s\u1ebd chuy\u1ec3n h\u00f3a melanoidin th\u00e0nh c\u00e1c ch\u1ea5t chuy\u1ec3n h\u00f3a th\u1ee9 c\u1ea5p m\u00e0 ho\u1ea1t t\u00ednh sinh h\u1ecdc c\u1ee7a ch\u00fang \u0111\u1ebfn nay v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ecbnh danh \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.frontiersin.org\/articles\/10.3389\/fnut.2021.671924\/full\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>GS. Fernando M. Nunes<\/strong><\/u><\/a> thu\u1ed9c \u0110\u1ea1i h\u1ecdc Tr\u00e1s-os-Montes v\u00e0 Alto Douro \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng n\u1ed3ng \u0111\u1ed9 th\u1ea5p c\u1ee7a melanoidin h\u00f2a tan trong ethanol \u2014 \u1edf m\u1ee9c 100 \u03bcg\/mL \u2014 mang l\u1ea1i hi\u1ec7u qu\u1ea3 kh\u00e1ng vi\u00eam r\u00f5 r\u1ec7t b\u1eb1ng c\u00e1ch l\u00e0m gi\u1ea3m s\u1ef1 gi\u1ea3i ph\u00f3ng oxit nitric do k\u00edch th\u00edch LPS, song song v\u1edbi vi\u1ec7c d\u1eadp t\u1eaft c\u00e1c g\u1ed1c oxy v\u00e0 nit\u01a1 ph\u1ea3n \u1ee9ng. \u0110\u1ed9 nh\u1ea1y v\u1ec1 n\u1ed3ng \u0111\u1ed9 \u1edf \u0111\u00e2y r\u1ea5t \u0111\u00e1ng l\u01b0u t\u00e2m: t\u00edn hi\u1ec7u kh\u00e1ng vi\u00eam xu\u1ea5t hi\u1ec7n \u1edf li\u1ec1u l\u01b0\u1ee3ng th\u1ea5p, m\u1edf ra c\u01a1 ch\u1ebf th\u00fa v\u1ecb, nh\u01b0ng n\u00f3 ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c nh\u00e2n b\u1ea3n trong m\u1ed9t m\u00f4 h\u00ecnh can thi\u1ec7p l\u00e2m s\u00e0ng tr\u00ean ng\u01b0\u1eddi \u2014 n\u01a1i c\u00e1c y\u1ebfu t\u1ed1 li\u1ec1u l\u01b0\u1ee3ng, sinh kh\u1ea3 d\u1ee5ng v\u00e0 bi\u1ebfn \u0111\u1ed5i chuy\u1ec3n h\u00f3a c\u00f9ng l\u00fac v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u Chuy\u1ec7n L\u00ean Men Prebiotic: C\u01a1 Ch\u1ebf V\u1eefng Ch\u1eafc Nh\u1ea5t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eadn \u0111\u1ecbnh c\u00f3 n\u1ec1n t\u1ea3ng c\u01a1 ch\u1ebf v\u1eefng ch\u1eafc nh\u1ea5t v\u1ec1 melanoidin l\u00e0 h\u00e0nh vi l\u00ean men c\u1ee7a ch\u00fang t\u1ea1i \u0111\u1ea1i tr\u00e0ng. Ph\u00e2n \u0111o\u1ea1n tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao \u2014 chi\u1ebfm 61\u201387% t\u1ed5ng l\u01b0\u1ee3ng melanoidin \u2014 \u0111\u1ec1 kh\u00e1ng ho\u00e0n to\u00e0n v\u1edbi qu\u00e1 tr\u00ecnh ti\u00eau h\u00f3a \u1edf ru\u1ed9t non v\u00e0 \u0111i v\u00e0o \u0111\u1ea1i tr\u00e0ng v\u1edbi c\u1ea5u tr\u00fac nguy\u00ean v\u1eb9n. T\u1ea1i \u0111\u00e2y, ch\u00fang \u0111\u01b0\u1ee3c h\u1ec7 vi sinh v\u1eadt \u0111\u01b0\u1eddng ru\u1ed9t l\u00ean men \u0111\u1ec3 t\u1ea1o ra c\u00e1c axit b\u00e9o chu\u1ed7i ng\u1eafn (SCFA). Trong khi \u0111\u00f3, ph\u00e2n \u0111o\u1ea1n tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed th\u1ea5p (~30%) c\u00f3 th\u1ec3 th\u1ea9m th\u1ea5u qua th\u00e0nh ru\u1ed9t \u0111\u1ec3 \u0111i v\u00e0o tu\u1ea7n ho\u00e0n to\u00e0n th\u00e2n, n\u01a1i ch\u00fang c\u00f3 th\u1ec3 ph\u00e1t huy t\u00e1c d\u1ee5ng ch\u1ed1ng oxy h\u00f3a v\u00e0 kh\u00e1ng vi\u00eam t\u1eebng quan s\u00e1t th\u1ea5y trong \u1ed1ng nghi\u1ec7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t nghi\u00ean c\u1ee9u l\u00ean men in-vitro \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t c\u00f4ng b\u1ed1 tr\u00ean <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38986986\/\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>PubMed<\/strong><\/u><\/a> \u0111\u00e3 kh\u1ea3o s\u00e1t qu\u00e1 tr\u00ecnh l\u00ean men t\u1ea1i \u0111\u1ea1i tr\u00e0ng c\u1ee7a ph\u00e2n \u0111o\u1ea1n c\u00e0 ph\u00ea gi\u00e0u melanoidin b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng vi sinh v\u1eadt ph\u00e2n ng\u01b0\u1eddi trong su\u1ed1t 48 gi\u1edd. Ph\u00e2n \u0111o\u1ea1n melanoidin \u0111\u00e3 t\u1ea1o ra 22 mM SCFA, bao g\u1ed3m acetate, propionate v\u00e0 butyrate, c\u00f9ng v\u1edbi s\u1ef1 s\u1ee5t gi\u1ea3m t\u1ef7 l\u1ec7 acetate:propionate ch\u1ee9ng minh vi sinh v\u1eadt \u0111ang chuy\u1ec3n h\u00f3a t\u00edch c\u1ef1c. \u0110\u1ec3 so s\u00e1nh, ph\u00e2n \u0111o\u1ea1n arabinogalactan nguy\u00ean b\u1ea3n trong c\u00f9ng nghi\u00ean c\u1ee9u t\u1ea1o ra 63 mM \u2014 melanoidin c\u00f3 l\u00ean men, nh\u01b0ng hi\u1ec7u su\u1ea5t th\u1ea5p h\u01a1n polysaccharide th\u00f4 ban \u0111\u1ea7u. K\u1ebft qu\u1ea3 n\u00e0y x\u00e1c nh\u1eadn m\u1ed9t c\u01a1 ch\u1ebf then ch\u1ed1t: melanoidin \u0111i v\u00e0o ru\u1ed9t gi\u00e0 m\u00e0 kh\u00f4ng b\u1ecb ti\u00eau h\u00f3a v\u00e0 \u0111\u01b0\u1ee3c vi sinh l\u00ean men, s\u1ea3n sinh ra butyrate \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n nhi\u00ean li\u1ec7u cho t\u1ebf b\u00e0o bi\u1ec3u m\u00f4 \u0111\u1ea1i tr\u00e0ng v\u00e0 l\u00e0 ch\u1ea5t \u0111i\u1ec1u h\u00f2a kh\u00e1ng vi\u00eam t\u1ef1 nhi\u00ean. \u0110\u00e2y l\u00e0 tuy\u00ean b\u1ed1 s\u1ee9c kh\u1ecfe duy nh\u1ea5t c\u00f3 b\u1eb1ng ch\u1ee9ng th\u1ef1c nghi\u1ec7m tr\u1ef1c ti\u1ebfp h\u1eadu thu\u1eabn, d\u00f9 m\u1ed1i t\u01b0\u01a1ng quan li\u1ec1u l\u01b0\u1ee3ng-\u0111\u00e1p \u1ee9ng tr\u00ean ng\u01b0\u1eddi v\u1eabn c\u1ea7n th\u00eam th\u1eddi gian nghi\u00ean c\u1ee9u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, c\u01a1 ch\u1ebf h\u1ea1 huy\u1ebft \u00e1p nh\u1edd \u1ee9c ch\u1ebf men chuy\u1ec3n ACE l\u00e0 nh\u1eadn \u0111\u1ecbnh thi\u1ebfu b\u1eb1ng ch\u1ee9ng nh\u1ea5t. Gi\u1ea3 thuy\u1ebft cho r\u1eb1ng melanoidin t\u1ea1o ph\u1ee9c chelate v\u1edbi k\u1ebdm l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a men ACE \u2014 m\u1ed9t c\u01a1 ch\u1ebf nghe c\u00f3 v\u1ebb h\u1ee3p l\u00fd tr\u00ean l\u00fd thuy\u1ebft, nh\u01b0ng ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u1edf c\u1ea5p \u0111\u1ed9 th\u1ee5 th\u1ec3 trong m\u00f4 ng\u01b0\u1eddi. \u0110\u00e2y ch\u1ec9 l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf ti\u1ec1m n\u0103ng \u0111ang n\u1eb1m trong di\u1ec7n theo d\u00f5i, ch\u1ee9 ch\u01b0a ph\u1ea3i l\u00e0 s\u1ef1 th\u1eadt khoa h\u1ecdc \u0111\u01b0\u1ee3c ch\u1ee9ng minh.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">B\u00e0i To\u00e1n Rang \u0110\u1eadm: Ti\u1ec1m N\u0103ng Prebiotic \u0110\u00e1nh \u0110\u1ed5i B\u1eb1ng Kh\u1ea3 N\u0103ng Ti\u00eau H\u00f3a \u0110\u1ea1m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Melanoidin trong c\u00e1c m\u1ebb rang \u0111\u1eadm chi\u1ebfm gi\u1eef m\u1ed9t v\u1ecb th\u1ebf ngh\u1ecbch l\u00fd k\u1ef3 l\u1ea1 trong c\u00e2u chuy\u1ec7n s\u1ee9c kh\u1ecfe: ch\u00ednh nh\u1eefng \u0111\u1eb7c t\u00ednh c\u1ea5u tr\u00fac bi\u1ebfn ch\u00fang th\u00e0nh ngu\u1ed3n ch\u1ea5t x\u01a1 prebiotic ti\u1ec1m n\u0103ng l\u1ea1i bi\u1ebfn ch\u00fang th\u00e0nh ch\u1ea5t \u1ee9c ch\u1ebf m\u1ea1nh m\u1ebd \u0111\u1ed1i v\u1edbi trypsin \u2014 enzyme protease ch\u00ednh c\u1ee7a tuy\u1ebfn t\u1ee5y ch\u1ecbu tr\u00e1ch nhi\u1ec7m ph\u00e2n gi\u1ea3i protein trong th\u1ee9c \u0103n. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 xung \u0111\u1ed9t tr\u00ean l\u00fd thuy\u1ebft. C\u1ea3 hai t\u00e1c \u0111\u1ed9ng n\u00e0y \u0111\u1ec1u di\u1ec5n ra \u1edf n\u1ed3ng \u0111\u1ed9 melanoidin ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c khi u\u1ed1ng c\u00e0 ph\u00ea th\u00f4ng th\u01b0\u1eddng, v\u00e0 kh\u00f4ng t\u00e1c \u0111\u1ed9ng n\u00e0o tri\u1ec7t ti\u00eau t\u00e1c \u0111\u1ed9ng n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c qu\u1ea7n th\u1ec3 h\u1ea1t rang b\u1eaft \u0111\u1ea7u ngay t\u1eeb c\u1ea5p \u0111\u1ed9 c\u1ea5u tr\u00fac. M\u1ee9c rang s\u00e1ng \u0111\u1ebfn v\u1eeba t\u1ed1i \u0111a h\u00f3a c\u00e1c ph\u1ee9c h\u1ee3p melano-chlorogenic \u2014 nh\u1eefng ph\u00e2n t\u1eed c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed th\u1ea5p h\u01a1n mang c\u00e1c g\u1ed1c axit chlorogenic nguy\u00ean v\u1eb9n, t\u01b0\u01a1ng \u1ee9ng v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a tr\u1ef1c ti\u1ebfp cao h\u01a1n v\u00e0 t\u1ea1o n\u00ean n\u1ed1t v\u1ecb s\u1eafc s\u1ea3o, gi\u00e0u t\u00ednh phenolic. Trong khi \u0111\u00f3, c\u00e1c m\u1ebb rang \u0111\u1eadm l\u1ea1i s\u1ea3n sinh ch\u1ee7 y\u1ebfu l\u00e0 melanoidin tr\u00f9ng h\u1ee3p cao, tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u1edbn v\u1edbi c\u00e1c chu\u1ed7i polysaccharide d\u00e0i h\u01a1n, s\u1ed1ng s\u00f3t qua qu\u00e1 tr\u00ecnh ti\u00eau h\u00f3a d\u1ea1 d\u00e0y \u0111\u1ec3 \u0111\u1ebfn \u0111\u1ea1i tr\u00e0ng l\u00e0m th\u1ee9c \u0103n cho l\u1ee3i khu\u1ea9n. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f9ng m\u1ed9t ch\u1ea5t \u1edf hai n\u1ed3ng \u0111\u1ed9 kh\u00e1c nhau; ch\u00fang l\u00e0 hai qu\u1ea7n th\u1ec3 c\u1ea5u tr\u00fac ho\u00e0n to\u00e0n ri\u00eang bi\u1ec7t v\u1edbi s\u1ed1 ph\u1eadn sinh h\u1ecdc kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y ph\u00e1c h\u1ecda s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i ch\u1ee9c n\u0103ng gi\u1eefa c\u00e1c c\u1ea5p \u0111\u1ed9 rang:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0110\u1eb7c T\u00ednh<\/th><th>Rang S\u00e1ng \u0110\u1ebfn V\u1eeba (Ph\u1ee9c H\u1ee3p Melano-Chlorogenic)<\/th><th>Rang \u0110\u1eadm (Melanoidin Tr\u1ecdng L\u01b0\u1ee3ng Cao)<\/th><\/tr><\/thead><tbody><tr><td>C\u1ea5u tr\u00fac ch\u1ee7 \u0111\u1ea1o<\/td><td>Tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed th\u1ea5p, g\u1ed1c axit chlorogenic c\u00f2n nguy\u00ean<\/td><td>Tr\u00f9ng h\u1ee3p cao, ph\u00e2n \u0111o\u1ea1n >100 kDa chi\u1ebfm \u01b0u th\u1ebf<\/td><\/tr><tr><td>Ho\u1ea1t t\u00ednh ch\u1ed1ng oxy h\u00f3a<\/td><td>Cao h\u01a1n (qu\u00e9t g\u1ed1c t\u1ef1 do tr\u1ef1c ti\u1ebfp)<\/td><td>Ho\u1ea1t t\u00ednh tr\u1ef1c ti\u1ebfp th\u1ea5p h\u01a1n<\/td><\/tr><tr><td>\u0110\u00f3ng g\u00f3p c\u1ea3m quan<\/td><td>N\u1ed1t v\u1ecb s\u1eafc n\u00e9t, phenolic, \u0111\u1eafng thanh<\/td><td>Th\u1ec3 ch\u1ea5t d\u00e0y, crema b\u1ec1n v\u1eefng<\/td><\/tr><tr><td>L\u00ean men t\u1ea1i \u0111\u1ea1i tr\u00e0ng<\/td><td>T\u1ea1o l\u01b0\u1ee3ng SCFA v\u1eeba ph\u1ea3i<\/td><td>T\u1ea1o l\u01b0\u1ee3ng SCFA cao h\u01a1n (hi\u1ec7u \u1ee9ng ch\u1ea5t x\u01a1 prebiotic)<\/td><\/tr><tr><td>\u1ee8c ch\u1ebf enzyme Trypsin<\/td><td>Th\u1ea5p h\u01a1n<\/td><td>\u0110\u00e1ng k\u1ec3 \u2014 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ti\u00eau h\u00f3a protein<\/td><\/tr><tr><td>T\u00e1c \u0111\u1ed9ng l\u00ean dinh d\u01b0\u1ee1ng \u0111\u1ea1m<\/td><td>T\u1ed1i thi\u1ec3u<\/td><td>L\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng h\u1ea5p thu protein \u0103n k\u00e8m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u v\u1ec1 vi\u1ec7c \u1ee9c ch\u1ebf enzyme trypsin x\u1ee9ng \u0111\u00e1ng nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u s\u1ef1 quan t\u00e2m chuy\u00ean m\u00f4n h\u01a1n hi\u1ec7n t\u1ea1i. C\u00e1c ph\u00e2n t\u1eed melanoidin c\u00e0 ph\u00ea h\u00f2a tan trong n\u01b0\u1edbc \u1edf n\u1ed3ng \u0111\u1ed9 th\u00f4ng th\u01b0\u1eddng l\u00e0m suy gi\u1ea3m ho\u1ea1t t\u00ednh trypsin m\u1ed9t c\u00e1ch r\u00f5 r\u1ec7t, c\u1ea3n tr\u1edf s\u1ef1 ti\u00eau h\u00f3a t\u1ea1i ru\u1ed9t c\u1ee7a c\u00e1c protein d\u00f9ng k\u00e8m nh\u01b0 casein trong s\u1eefa. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111\u1ea1i trong ph\u00f2ng th\u00ed nghi\u1ec7m \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t t\u00e1c \u0111\u1ed9ng sinh l\u00fd h\u1ecdc \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp h\u1ed3 s\u01a1 \u1edf li\u1ec1u d\u00f9ng th\u1ef1c t\u1ebf. \u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ng\u01b0\u1eddi chu\u1ed9ng c\u00e0 ph\u00ea rang \u0111\u1eadm u\u1ed1ng c\u00f9ng b\u1eefa s\u00e1ng gi\u00e0u \u0111\u1ea1m s\u1ebd kh\u00f4ng h\u1ea5p thu tr\u1ecdn v\u1eb9n gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng t\u1eeb b\u1eefa \u0103n \u0111\u00f3 nh\u01b0 khi kh\u00f4ng u\u1ed1ng c\u00e0 ph\u00ea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1756464621004679\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>GS. Vincenzo Fogliano<\/strong><\/u><\/a> thu\u1ed9c Nh\u00f3m Thi\u1ebft k\u1ebf &#038; Ch\u1ea5t l\u01b0\u1ee3ng Th\u1ef1c ph\u1ea9m \u0110\u1ea1i h\u1ecdc Wageningen nh\u1eadn \u0111\u1ecbnh r\u1eb1ng melanoidin trong c\u00e0 ph\u00ea t\u1ea1o ra c\u00e1c t\u00e1c \u0111\u1ed9ng chuy\u1ec3n h\u00f3a t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ea5t x\u01a1 li\u00ean k\u1ebft polyphenol trong ng\u0169 c\u1ed1c \u2014 \u0111i\u1ec1u h\u00f2a ho\u1ea1t t\u00ednh enzyme ti\u00eau h\u00f3a, can thi\u1ec7p v\u00e0o qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 vi\u00eam nhi\u1ec5m t\u1ea1i \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, \u0111\u1ed3ng th\u1eddi \u0111\u1ecbnh h\u00ecnh th\u00e0nh ph\u1ea7n h\u1ec7 vi sinh v\u1eadt \u0111\u01b0\u1eddng ru\u1ed9t. C\u1ee5m t\u1eeb &#8220;\u0111i\u1ec1u h\u00f2a enzyme ti\u00eau h\u00f3a&#8221; mang t\u00ednh ch\u00ednh x\u00e1c r\u1ea5t cao: \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 t\u00e1c d\u1ee5ng ph\u1ee5 ng\u1eabu nhi\u00ean, m\u00e0 l\u00e0 h\u1ec7 qu\u1ea3 c\u1ea5u tr\u00fac t\u1ea5t y\u1ebfu t\u1eeb c\u00e1ch c\u00e1c polymer n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1eddng ru\u1ed9t. B\u00e0i h\u1ecdc cho gi\u1edbi l\u00e0m ngh\u1ec1 l\u00e0: m\u1ee9c rang &#8220;t\u1ed1t nh\u1ea5t&#8221; cho s\u1ee9c kh\u1ecfe kh\u00f4ng th\u1ec3 quy v\u1ec1 m\u1ed9t thang m\u00e0u s\u1eafc \u0111\u01a1n gi\u1ea3n. N\u00f3 ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o m\u1ee5c ti\u00eau c\u1ee7a ng\u01b0\u1eddi u\u1ed1ng \u2014 n\u1ea1p ch\u1ea5t ch\u1ed1ng oxy h\u00f3a, nu\u00f4i d\u01b0\u1ee1ng h\u1ec7 vi sinh \u0111\u01b0\u1eddng ru\u1ed9t hay t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng h\u1ea5p thu \u0111\u1ea1m \u2014 v\u00e0 ba m\u1ee5c ti\u00eau n\u00e0y kh\u00f4ng bao gi\u1edd c\u00f9ng ch\u1ec9 v\u1ec1 m\u1ed9t c\u1ea5p \u0111\u1ed9 rang duy nh\u1ea5t.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec1u Gi\u1edbi L\u00e0m C\u00e0 Ph\u00ea C\u1ea7n N\u1eafm R\u00f5: Kho\u1ea3ng Tr\u1ed1ng D\u1eef Li\u1ec7u V\u00e0 H\u01b0\u1edbng Ti\u1ebfp C\u1eadn \u0110\u00fang \u0110\u1eafn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ec1n t\u1ea3ng khoa h\u1ecdc v\u1ec1 trigonelline v\u00e0 melanoidin \u0111\u00e3 \u0111\u1ee7 v\u1eefng \u0111\u1ec3 l\u00e0m \u0111i\u1ec3m t\u1ef1a cho nh\u1eefng c\u00e2u chuy\u1ec7n chuy\u00ean m\u00f4n nghi\u00eam t\u00fac, nh\u01b0ng c\u0169ng c\u00f2n \u0111\u1ee7 nhi\u1ec1u l\u1ed7 h\u1ed5ng \u0111\u1ec3 bi\u1ebfn m\u1ecdi l\u1eddi n\u00f3i qu\u00e1 th\u00e0nh s\u1ef1 m\u1ea1o hi\u1ec3m v\u1ec1 m\u1eb7t uy t\u00edn. C\u1ea3 hai m\u1eb7t n\u00e0y c\u00f9ng t\u1ed3n t\u1ea1i song song, v\u00e0 chu\u1ea9n m\u1ef1c truy\u1ec1n th\u00f4ng \u0111\u00fang \u0111\u1eafn \u0111\u00f2i h\u1ecfi ch\u00fang ta ph\u1ea3i nh\u00ecn nh\u1eadn ranh gi\u1edbi \u0111\u00f3 m\u1ed9t c\u00e1ch trung th\u1ef1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng S\u1ef1 Th\u1eadt \u0110\u00e3 X\u00e1c Minh V\u00e0 L\u1ed7 H\u1ed5ng B\u1eb1ng Ch\u1ee9ng Trong Khoa H\u1ecdc Melanoidin C\u00e0 Ph\u00ea<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ec1n t\u1ea3ng \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf r\u1ea5t phong ph\u00fa. <a href=\"https:\/\/coffeefactz.com\/vi\/cac-nhom-hop-chat-hoat-tinh-sinh-hoc-trong-ca-phe\/\"><b><u>S\u1ef1 ph\u00e2n h\u1ee7y nhi\u1ec7t c\u1ee7a trigonelline<\/u><\/b><\/a> t\u1eeb kho\u1ea3ng 160\u00b0C sinh ra c\u00e1c h\u1ee3p ch\u1ea5t bay h\u01a1i pyridine, pyrrole v\u00e0 alkyl-pyrazine ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u1ea1o n\u00ean n\u1ed1t h\u01b0\u01a1ng h\u1ea1t rang v\u00e0 m\u00f9i \u0111\u1ea5t m\u1ed9c m\u1ea1c \u2014 \u0111\u00e2y l\u00e0 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ch\u1eafc ch\u1eafn. Melanoidin l\u00e0 nh\u00e2n t\u1ed1 ch\u00ednh \u0111\u1ecbnh \u0111o\u1ea1t m\u00e0u s\u1eafc m\u1ebb rang, \u0111\u1ed9 d\u00e0y th\u1ec3 ch\u1ea5t, \u0111\u1ed9 b\u1ec1n c\u1ee7a crema v\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ti\u1ebft h\u01b0\u01a1ng th\u01a1m \u2014 c\u00e1c c\u01a1 ch\u1ebf v\u1eadt l\u00fd \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh. Con \u0111\u01b0\u1eddng l\u00ean men prebiotic \u0111\u01b0\u1ee3c h\u1eadu thu\u1eabn b\u1edfi b\u1eb1ng ch\u1ee9ng in-vitro tr\u1ef1c ti\u1ebfp tr\u00ean vi sinh v\u1eadt ph\u00e2n ng\u01b0\u1eddi. V\u00e0 t\u00e1c \u0111\u1ed9ng \u1ee9c ch\u1ebf enzyme trypsin \u1edf li\u1ec1u d\u00f9ng th\u1ef1c t\u1ebf l\u00e0 m\u1ed9t trong nh\u1eefng ho\u1ea1t t\u00ednh sinh h\u1ecdc \u0111\u01b0\u1ee3c ghi nh\u1eadn \u0111\u00e1ng tin c\u1eady nh\u1ea5t trong y v\u0103n \u2014 m\u1ed9t s\u1ef1 th\u1eadt h\u1ea7u nh\u01b0 v\u1eafng b\u00f3ng tr\u00ean c\u00e1c \u1ea5n ph\u1ea9m ti\u1ebfp th\u1ecb ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, nh\u1eefng l\u1ed7 h\u1ed5ng b\u1eb1ng ch\u1ee9ng c\u0169ng ch\u00e2n th\u1ef1c kh\u00f4ng k\u00e9m v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c n\u00eau r\u00f5 trong m\u1ecdi b\u1ed1i c\u1ea3nh chuy\u00ean m\u00f4n. Ch\u01b0a t\u1eebng c\u00f3 th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng n\u00e0o tr\u00ean ng\u01b0\u1eddi theo d\u00f5i m\u1ed9t ch\u1ec9 s\u1ed1 s\u1ee9c kh\u1ecfe c\u1ee5 th\u1ec3 \u2014 nh\u01b0 n\u1ed3ng \u0111\u1ed9 ch\u1ed1ng oxy h\u00f3a trong huy\u1ebft thanh, huy\u1ebft \u00e1p, th\u00e0nh ph\u1ea7n h\u1ec7 vi sinh ru\u1ed9t hay c\u00e1c d\u1ea5u \u1ea5n sinh h\u1ecdc kh\u00e1ng vi\u00eam \u2014 \u0111\u01b0\u1ee3c quy k\u1ebft tr\u1ef1c ti\u1ebfp cho vi\u1ec7c n\u1ea1p melanoidin c\u00e0 ph\u00ea. Nguy c\u01a1 t\u1ea1o ph\u1ee9c chelate l\u00e0m c\u1ea3n tr\u1edf h\u1ea5p thu c\u00e1c kho\u00e1ng ch\u1ea5t nh\u01b0 s\u1eaft (Fe\u00b3\u207a), \u0111\u1ed3ng (Cu\u00b2\u207a) v\u00e0 k\u1ebdm (Zn\u00b2\u207a) \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn di\u1ec7n v\u1ec1 m\u1eb7t c\u01a1 ch\u1ebf nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng h\u00f3a v\u1ec1 m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng l\u00e2m s\u00e0ng \u1edf li\u1ec1u ti\u00eau th\u1ee5 th\u00f4ng th\u01b0\u1eddng. V\u00e0 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng c\u00e0 ph\u00ea l\u00e0 ngu\u1ed3n cung c\u1ea5p melanoidin \u00e1p \u0111\u1ea3o trong ch\u1ebf \u0111\u1ed9 \u0103n g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn \u0111\u00e3 b\u1ecb ph\u00f3ng \u0111\u1ea1i \u2014 b\u00e1nh m\u00ec n\u01b0\u1edbng, bia m\u1ea1ch nha, m\u1eadt ong v\u00e0 th\u1ecbt n\u01b0\u1edbng ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 cung c\u1ea5p l\u01b0\u1ee3ng melanoidin ngang b\u1eb1ng ho\u1eb7c v\u01b0\u1ee3t xa m\u1ee9c 1\u20132g m\u1ed7i ng\u00e0y t\u1eeb c\u00e0 ph\u00ea trong kh\u1ea9u ph\u1ea7n \u0103n ph\u01b0\u01a1ng T\u00e2y. B\u1ed1i c\u1ea3nh \u0111\u00f3 kh\u00f4ng h\u1ec1 ph\u1ee7 nh\u1eadn gi\u00e1 tr\u1ecb c\u1ee7a c\u00e0 ph\u00ea, nh\u01b0ng n\u00f3 b\u00e1c b\u1ecf ho\u00e0n to\u00e0n lu\u1eadn \u0111i\u1ec3m coi melanoidin c\u00e0 ph\u00ea l\u00e0 m\u1ed9t ho\u1ea1t ch\u1ea5t th\u1ea7n k\u1ef3 \u0111\u1ed9c nh\u1ea5t v\u00f4 nh\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u hi\u1ec7n t\u1ea1i \u0111\u00f2i h\u1ecfi s\u1ef1 th\u1eb3ng th\u1eafn ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1ef1 n\u00e9 tr\u00e1nh. M\u1ecdi tuy\u00ean b\u1ed1 v\u1ec1 kh\u1ea3 n\u0103ng <a href=\"https:\/\/coffeefactz.com\/vi\/axit-chlorogenic-trong-ca-phe-chat-chong-oxy-hoa\/\"><b><u>ch\u1ed1ng oxy h\u00f3a, ng\u1eeba s\u00e2u r\u0103ng<\/u><\/b><\/a> v\u00e0 h\u1ea1 huy\u1ebft \u00e1p c\u1ee7a melanoidin c\u00e0 ph\u00ea \u0111\u1ec1u m\u1edbi d\u1eebng l\u1ea1i \u1edf m\u00f4 h\u00ecnh \u1ed1ng nghi\u1ec7m ho\u1eb7c \u0111\u1ed9ng v\u1eadt. Trong khi \u0111\u00f3, r\u1ee7i ro duy nh\u1ea5t li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn con ng\u01b0\u1eddi \u2014 s\u1ef1 \u1ee9c ch\u1ebf enzyme trypsin \u2014 l\u1ea1i l\u00e0 ho\u1ea1t t\u00ednh sinh h\u1ecdc \u0111\u01b0\u1ee3c ghi nh\u1eadn v\u1eefng ch\u1eafc nh\u1ea5t. S\u1ef1 b\u1ea5t c\u00e2n x\u1ee9ng \u0111\u00f3 r\u1ea5t \u0111\u00e1ng \u0111\u1ec3 ch\u00fang ta chia s\u1ebb m\u1ed9t c\u00e1ch minh b\u1ea1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Khung Truy\u1ec1n Th\u00f4ng Chu\u1ea9n M\u1ef1c V\u00e0 \u0110\u1ecbnh H\u01b0\u1edbng Quy\u1ebft \u0110\u1ecbnh Rang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch \u0111\u1ecbnh h\u00ecnh l\u1ea1i th\u00f4ng \u0111i\u1ec7p ti\u1ebfp th\u1ecb tr\u1edf n\u00ean r\u1ea5t m\u1ea1ch l\u1ea1c m\u1ed9t khi c\u01a1 ch\u1ebf \u0111\u00e3 r\u00f5 r\u00e0ng. Thay v\u00ec kh\u1eb3ng \u0111\u1ecbnh t\u00e1c d\u1ee5ng ch\u1ed1ng oxy h\u00f3a hay b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng ru\u1ed9t m\u1ed9t c\u00e1ch chung chung, c\u00e1c chuy\u00ean gia c\u00f3 th\u1ec3 di\u1ec5n \u0111\u1ea1t chu\u1ea9n x\u00e1c r\u1eb1ng: melanoidin l\u00ean men t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ea5t x\u01a1 h\u00f2a tan trong \u0111\u1ea1i tr\u00e0ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c axit b\u00e9o chu\u1ed7i ng\u1eafn, v\u00e0 trigonelline t\u1ea1o ra c\u00e1c h\u1ee3p ch\u1ea5t h\u01b0\u01a1ng th\u01a1m h\u1ea1t rang \u0111\u1eb7c tr\u01b0ng l\u00e0m n\u00ean b\u1ea3n s\u1eafc c\u1ea3m quan c\u1ee7a c\u00e0 ph\u00ea \u0111\u1eb7c s\u1ea3n. C\u1ea3 hai kh\u1eb3ng \u0111\u1ecbnh n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c b\u1ea3o ch\u1ee9ng b\u1edfi c\u00e1c b\u1eb1ng ch\u1ee9ng th\u1ef1c nghi\u1ec7m tr\u1ef1c ti\u1ebfp. Kh\u00f4ng c\u00e2u n\u00e0o \u0111\u01b0a ra l\u1eddi h\u1ee9a h\u1eb9n qu\u00e1 \u0111\u00e0 v\u1ec1 k\u1ebft qu\u1ea3 s\u1ee9c kh\u1ecfe, v\u00e0 c\u1ea3 hai \u0111\u1ec1u th\u00fa v\u1ecb h\u01a1n \u0111\u1ed1i v\u1edbi m\u1ed9t kh\u00e1ch h\u00e0ng hi\u1ec3u bi\u1ebft so v\u1edbi m\u1ed9t chi\u1ebfc nh\u00e3n &#8220;ch\u1ed1ng oxy h\u00f3a&#8221; s\u00e1o r\u1ed7ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khung quy\u1ebft \u0111\u1ecbnh m\u1ebb rang c\u0169ng tu\u00e2n theo c\u00f9ng m\u1ed9t logic. N\u1ebfu m\u1ee5c ti\u00eau l\u00e0 s\u1ef1 ph\u1ee9c h\u1ee3p v\u00e0 trong tr\u1ebbo c\u1ee7a h\u01b0\u01a1ng th\u01a1m \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u1ed1t h\u01b0\u01a1ng h\u1ea1t d\u1ebb v\u00e0 m\u00f9i \u0111\u1ea5t sinh ra t\u1eeb trigonelline \u2014 m\u1ec7nh l\u1ec7nh ti\u00ean quy\u1ebft l\u00e0 b\u1ea3o v\u1ec7 trigonelline kh\u1ecfi s\u1ef1 ph\u00e2n h\u1ee7y qu\u00e1 m\u1ee9c b\u1eb1ng c\u00e1ch tr\u00e1nh \u0111\u1ea9y m\u1ebb rang v\u00e0o v\u00f9ng pyridine kh\u00e9t \u0111\u1eafng. N\u1ebfu m\u1ee5c ti\u00eau l\u00e0 th\u1ec3 ch\u1ea5t d\u00e0y d\u1eb7n v\u00e0 l\u1edbp crema b\u1ec1n b\u1ec9, m\u1ebb rang \u0111\u1eadm nh\u1eb1m t\u1ed1i \u0111a h\u00f3a n\u1ed3ng \u0111\u1ed9 melanoidin tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao ch\u00ednh l\u00e0 \u0111\u00f2n b\u1ea9y ph\u00f9 h\u1ee3p \u2014 nh\u01b0ng l\u1ef1a ch\u1ecdn \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c l\u01b0u \u00fd cho nh\u1eefng kh\u00e1ch h\u00e0ng th\u01b0\u1eddng xuy\u00ean u\u1ed1ng c\u00e0 ph\u00ea c\u00f9ng b\u1eefa \u0103n gi\u00e0u \u0111\u1ea1m, v\u00ec s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i t\u1eeb vi\u1ec7c \u1ee9c ch\u1ebf trypsin l\u00e0 c\u00f3 th\u1eadt v\u00e0 hi\u1ec7n \u0111ang v\u00f4 h\u00ecnh tr\u01b0\u1edbc m\u1eaft h\u1ecd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Infographic d\u01b0\u1edbi \u0111\u00e2y h\u1ec7 th\u1ed1ng h\u00f3a c\u00e1c bi\u1ebfn s\u1ed1 trong quy\u1ebft \u0111\u1ecbnh m\u1ebb rang t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u01a1 ch\u1ebf c\u1ed1t l\u00f5i v\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i c\u1ee7a t\u1eebng c\u1ea5p \u0111\u1ed9:<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1536\" src=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-roast-decision-infographic-guide.webp\" alt=\"An infographic mapping coffee roast levels to sensory profiles and health benefits\" class=\"wp-image-51164\" title=\"\" srcset=\"https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-roast-decision-infographic-guide.webp 1024w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-roast-decision-infographic-guide-200x300.webp 200w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-roast-decision-infographic-guide-683x1024.webp 683w, https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-roast-decision-infographic-guide-768x1152.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.efsa.europa.eu\/en\/efsajournal\/pub\/3282\" rel=\"nofollow noopener\" target=\"_blank\"><u><strong>C\u01a1 quan An to\u00e0n Th\u1ef1c ph\u1ea9m Ch\u00e2u \u00c2u (EFSA)<\/strong><\/u><\/a>, trong c\u00e1c b\u00e1o c\u00e1o \u0111\u00e1nh gi\u00e1 t\u1ed5ng th\u1ec3 v\u1ec1 c\u00e1c h\u1ee3p ch\u1ea5t phenolic v\u00e0 con \u0111\u01b0\u1eddng chuy\u1ec3n h\u00f3a trong ch\u1ebf \u0111\u1ed9 \u0103n, \u0111\u00e3 l\u01b0u \u00fd r\u1eb1ng d\u00f9 m\u00f4 h\u00ecnh ti\u00eau h\u00f3a d\u1ea1 d\u00e0y m\u00f4 ph\u1ecfng k\u1ebft h\u1ee3p l\u00ean men ru\u1ed9t l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf ph\u1ed5 bi\u1ebfn cho nghi\u00ean c\u1ee9u l\u00e2m s\u00e0ng, nh\u01b0ng \u0111\u1ebfn nay v\u1eabn ch\u01b0a c\u00f3 nghi\u00ean c\u1ee9u in-vivo t\u1eebng b\u01b0\u1edbc n\u00e0o v\u1ec1 qu\u00e1 tr\u00ecnh ti\u00eau h\u00f3a v\u00e0 l\u00ean men melanoidin t\u1ed3n t\u1ea1i trong y v\u0103n. L\u1eddi kh\u1eb3ng \u0111\u1ecbnh t\u1eeb m\u1ed9t trong nh\u1eefng c\u01a1 quan an to\u00e0n th\u1ef1c ph\u1ea9m kh\u1eaft khe nh\u1ea5t th\u1ebf gi\u1edbi ch\u00ednh l\u00e0 c\u1ed9t m\u1ed1c \u0111\u00e1ng tin c\u1eady nh\u1ea5t v\u1ec1 v\u1ecb tr\u00ed th\u1ef1c t\u1ebf c\u1ee7a khoa h\u1ecdc hi\u1ec7n nay. \u0110\u1ed1i v\u1edbi gi\u1edbi chuy\u00ean m\u00f4n, \u0111\u00f3 c\u0169ng l\u00e0 l\u1eddi nh\u1eafc nh\u1edf h\u1eefu \u00edch nh\u1ea5t: n\u00f3 ch\u1ec9 r\u00f5 ranh gi\u1edbi m\u00e0 th\u00f4ng \u0111i\u1ec7p truy\u1ec1n th\u00f4ng c\u1ee7a b\u1ea1n n\u00ean d\u1eebng l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khoa h\u1ecdc v\u1ec1 melanoidin \u0111\u00e3 tr\u01b0\u1edfng th\u00e0nh v\u1ec1 ph\u01b0\u01a1ng di\u1ec7n h\u00f3a h\u1ecdc nh\u01b0ng v\u1eabn \u0111ang \u1edf giai \u0111o\u1ea1n s\u01a1 khai \u0111\u1ed1i v\u1edbi sinh l\u00fd h\u1ecdc con ng\u01b0\u1eddi. Nh\u1eefng chuy\u00ean gia theo s\u00e1t b\u1eb1ng ch\u1ee9ng c\u01a1 ch\u1ebf, c\u01b0\u1ee1ng l\u1ea1i s\u1ee9c h\u00fat c\u1ee7a nh\u1eefng tuy\u00ean b\u1ed1 ch\u1eefa b\u1ec7nh th\u1ed5i ph\u1ed3ng, v\u00e0 gi\u1ea3i th\u00edch con \u0111\u01b0\u1eddng ph\u00e2n t\u1eed thay v\u00ec \u0111\u01b0a ra nh\u1eefng l\u1eddi h\u1ee9a h\u1eb9n vi\u1ec3n v\u00f4ng s\u1ebd x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c ni\u1ec1m tin b\u1ec1n v\u1eefng v\u01b0\u1ee3t qua m\u1ecdi chu k\u1ef3 xu h\u01b0\u1edbng s\u1ee9c kh\u1ecfe \u2014 b\u1edfi h\u1ecd s\u1ebd kh\u00f4ng bao gi\u1edd ph\u1ea3i r\u00fat l\u1ea1i nh\u1eefng l\u1eddi qu\u1ea3ng c\u00e1o m\u00e0 b\u1eb1ng ch\u1ee9ng khoa h\u1ecdc sau n\u00e0y kh\u00f4ng th\u1ec3 b\u1ea3o ch\u1ee9ng.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng \u0110i\u1ec3m C\u1ed1t L\u00f5i V\u1ec1 Trigonelline V\u00e0 Melanoidin<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Melanoidin h\u00ecnh th\u00e0nh ho\u00e0n to\u00e0n th\u00f4ng qua ph\u1ea3n \u1ee9ng Maillard, chi\u1ebfm 23\u201325% tr\u1ecdng l\u01b0\u1ee3ng kh\u00f4 c\u1ee7a h\u1ea1t c\u00e0 ph\u00ea rang v\u00e0 \u0111\u00f3ng g\u00f3p 29\u201330% ch\u1ea5t r\u1eafn h\u00f2a tan trong ly n\u01b0\u1edbc.<\/li>\n\n\n<li>Trigonelline ph\u00e2n h\u1ee7y nhi\u1ec7t t\u1eeb kho\u1ea3ng 160\u00b0C th\u00e0nh c\u00e1c ph\u00e2n t\u1eed pyridine v\u00e0 alkyl-pyrazine bay h\u01a1i \u2014 ngu\u1ed3n g\u1ed1c h\u00f3a h\u1ecdc ch\u00ednh t\u1ea1o n\u00ean n\u1ed1t h\u01b0\u01a1ng h\u1ea1t rang v\u00e0 m\u00f9i \u0111\u1ea5t m\u1ed9c m\u1ea1c.<\/li>\n\n\n<li>Melanoidin tr\u1ef1c ti\u1ebfp ki\u1ebfn t\u1ea1o \u0111\u1ed9 d\u00e0y th\u1ec3 ch\u1ea5t, \u1ed5n \u0111\u1ecbnh l\u1edbp crema nh\u1edd m\u00e0ng nh\u1edbt-\u0111\u00e0n h\u1ed3i v\u00e0 \u0111i\u1ec1u h\u00f2a t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng h\u01b0\u01a1ng th\u01a1m \u2014 \u0111\u00e2y l\u00e0 c\u00e1c c\u01a1 ch\u1ebf v\u1eadt l\u00fd c\u1ea5u tr\u00fac, kh\u00f4ng ph\u1ea3i \u0111\u1eb7c t\u00ednh dinh d\u01b0\u1ee1ng.<\/li>\n\n\n<li>C\u01a1 ch\u1ebf s\u1ee9c kh\u1ecfe \u0111\u01b0\u1ee3c khoa h\u1ecdc h\u1eadu thu\u1eabn v\u1eefng ch\u1eafc nh\u1ea5t c\u1ee7a melanoidin l\u00e0 kh\u1ea3 n\u0103ng l\u00ean men t\u1ea1i \u0111\u1ea1i tr\u00e0ng th\u00e0nh c\u00e1c axit b\u00e9o chu\u1ed7i ng\u1eafn bao g\u1ed3m butyrate; m\u1ecdi tuy\u00ean b\u1ed1 ch\u1ed1ng oxy h\u00f3a v\u00e0 h\u1ea1 huy\u1ebft \u00e1p \u0111\u1ec1u m\u1edbi d\u1eebng l\u1ea1i \u1edf m\u00f4 h\u00ecnh \u1ed1ng nghi\u1ec7m.<\/li>\n\n\n<li>Melanoidin trong c\u00e0 ph\u00ea rang \u0111\u1eadm \u1ee9c ch\u1ebf enzyme trypsin \u1edf li\u1ec1u d\u00f9ng th\u1ef1c t\u1ebf, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ti\u00eau h\u00f3a protein d\u00f9ng k\u00e8m \u2014 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i h\u1ea7u nh\u01b0 v\u1eafng b\u00f3ng tr\u00ean m\u1ecdi ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng ti\u1ebfp th\u1ecb.<\/li>\n\n\n<li>Ch\u01b0a t\u1eebng c\u00f3 th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng n\u00e0o tr\u00ean ng\u01b0\u1eddi theo d\u00f5i m\u1ed9t ch\u1ec9 s\u1ed1 s\u1ee9c kh\u1ecfe c\u1ee5 th\u1ec3 xu\u1ea5t ph\u00e1t ri\u00eang t\u1eeb melanoidin c\u00e0 ph\u00ea; gi\u1edbi l\u00e0m ngh\u1ec1 n\u00ean t\u1eadp trung truy\u1ec1n th\u00f4ng v\u1ec1 c\u01a1 ch\u1ebf thay v\u00ec h\u1ee9a h\u1eb9n k\u1ebft qu\u1ea3 \u0111i\u1ec1u tr\u1ecb.<\/li>\n\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p V\u1ec1 Trigonelline V\u00e0 Melanoidin<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Melanoidin trong c\u00e0 ph\u00ea c\u00f3 th\u1ef1c s\u1ef1 t\u1ed1t cho s\u1ee9c kh\u1ecfe hay ch\u1ec9 l\u00e0 chi\u00eau tr\u00f2 ti\u1ebfp th\u1ecb?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u tr\u1ea3 l\u1eddi th\u1eb3ng th\u1eafn l\u00e0: ch\u00fang c\u00f3 th\u1ec3 mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch c\u1ee5 th\u1ec3, nh\u01b0ng b\u1eb1ng ch\u1ee9ng hi\u1ec7n t\u1ea1i ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c tuy\u00ean b\u1ed1 ch\u1eefa b\u1ec7nh d\u1ee9t kho\u00e1t. Con \u0111\u01b0\u1eddng l\u00ean men prebiotic \u2014 melanoidin \u0111i t\u1edbi \u0111\u1ea1i tr\u00e0ng v\u00e0 s\u1ea3n sinh axit b\u00e9o chu\u1ed7i ng\u1eafn \u2014 \u0111\u01b0\u1ee3c b\u1ea3o ch\u1ee9ng b\u1edfi d\u1eef li\u1ec7u in-vitro tr\u1ef1c ti\u1ebfp v\u1edbi h\u1ec7 vi sinh ng\u01b0\u1eddi; trong khi t\u00e1c d\u1ee5ng ch\u1ed1ng oxy h\u00f3a v\u00e0 kh\u00e1ng vi\u00eam m\u1edbi ch\u1ec9 xu\u1ea5t hi\u1ec7n tr\u00ean m\u00f4 h\u00ecnh t\u1ebf b\u00e0o v\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn qua th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ngo\u00e0i c\u00e0 ph\u00ea, nh\u1eefng th\u1ef1c ph\u1ea9m n\u00e0o kh\u00e1c c\u0169ng ch\u1ee9a melanoidin?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ecf b\u00e1nh m\u00ec n\u01b0\u1edbng, bia m\u1ea1ch nha, m\u1eadt ong, th\u1ecbt n\u01b0\u1edbng v\u00e0 b\u1ed9t cacao rang \u0111\u1ec1u ch\u1ee9a melanoidin sinh ra t\u1eeb ph\u1ea3n \u1ee9ng Maillard. Trong ch\u1ebf \u0111\u1ed9 \u0103n ph\u01b0\u01a1ng T\u00e2y \u0111i\u1ec3n h\u00ecnh, c\u00e1c ngu\u1ed3n n\u00e0y c\u1ed9ng l\u1ea1i c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c v\u01b0\u1ee3t qua m\u1ee9c 1\u20132g m\u1ed7i ng\u00e0y t\u1eeb c\u00e0 ph\u00ea, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y vi\u1ec7c th\u1ea7n th\u00e1nh h\u00f3a melanoidin ri\u00eang trong c\u00e0 ph\u00ea c\u00f3 ph\u1ea7n b\u1ecb ph\u00f3ng \u0111\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u00e0m l\u01b0\u1ee3ng trigonelline trong c\u00e0 ph\u00ea c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng niacin (vitamin B3) m\u00e0 c\u01a1 th\u1ec3 h\u1ea5p thu kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 \u2014 trigonelline b\u1ecb kh\u1eed methyl th\u00e0nh axit nicotinic trong qu\u00e1 tr\u00ecnh rang, do \u0111\u00f3 m\u1ebb rang c\u00e0ng \u0111\u1eadm s\u1ebd chuy\u1ec3n h\u00f3a nhi\u1ec1u trigonelline th\u00e0nh niacin h\u01a1n, l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng vitamin B3 trong ly c\u00e0 ph\u00ea. Tuy nhi\u00ean, l\u01b0\u1ee3ng vitamin n\u00e0y kh\u00e1 khi\u00eam t\u1ed1n so v\u1edbi nhu c\u1ea7u dinh d\u01b0\u1ee1ng h\u00e0ng ng\u00e0y v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 ngu\u1ed3n b\u1ed5 sung \u0111\u00e1ng k\u1ec3 cho h\u1ea7u h\u1ebft ng\u01b0\u1eddi u\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u00f3a h\u1ecdc c\u1ee7a melanoidin trong c\u00e0 ph\u00ea c\u00f3 li\u00ean quan g\u00ec \u0111\u1ebfn s\u1eafc t\u1ed1 melanin tr\u00ean da ng\u01b0\u1eddi kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ho\u00e0n to\u00e0n kh\u00f4ng \u2014 melanoidin trong c\u00e0 ph\u00ea v\u00e0 s\u1eafc t\u1ed1 melanin c\u1ee7a con ng\u01b0\u1eddi l\u00e0 hai ph\u00e2n t\u1eed ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t. Melanoidin l\u00e0 polymer c\u1ee7a ph\u1ea3n \u1ee9ng Maillard t\u1ea1o th\u00e0nh t\u1eeb \u0111\u01b0\u1eddng v\u00e0 axit amin d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng nhi\u1ec7t; c\u00f2n melanin l\u00e0 s\u1eafc t\u1ed1 sinh h\u1ecdc ph\u00e1i sinh t\u1eeb tyrosine do c\u00e1c t\u1ebf b\u00e0o melanocyte t\u1ed5ng h\u1ee3p n\u00ean. S\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 t\u00ean g\u1ecdi ch\u1ec9 b\u1eaft ngu\u1ed3n t\u1eeb g\u1ed1c t\u1eeb v\u1ef1ng, kh\u00f4ng h\u1ec1 c\u00f3 m\u1ed1i li\u00ean h\u1ec7 h\u00f3a sinh n\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00ec sao l\u1edbp crema espresso l\u1ea1i tan nhanh h\u01a1n khi d\u00f9ng c\u00e0 ph\u00ea rang nh\u1ea1t?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e0 ph\u00ea rang nh\u1ea1t s\u1ea3n sinh n\u1ed3ng \u0111\u1ed9 melanoidin tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao th\u1ea5p h\u01a1n \u2014 \u0111\u00e2y v\u1ed1n l\u00e0 nh\u1eefng polymer ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t t\u1ea1o ra l\u1edbp m\u00e0ng nh\u1edbt-\u0111\u00e0n h\u1ed3i gi\u1eef c\u00e1c b\u1ecdt kh\u00ed CO2 trong crema. Khi thi\u1ebfu h\u1ee5t l\u01b0\u1ee3ng melanoidin c\u1ea7n thi\u1ebft t\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac kh\u00ed-l\u1ecfng, k\u1ebft c\u1ea5u b\u1ecdt s\u1ebd m\u1ecfng manh v\u00e0 tho\u00e1t kh\u00ed nhanh ch\u00f3ng \u2014 \u0111\u00e2y l\u00e0 gi\u1edbi h\u1ea1n v\u1ec1 m\u1eb7t h\u00f3a l\u00fd, kh\u00f4ng ph\u1ea3i do thao t\u00e1c chi\u1ebft xu\u1ea5t c\u1ee7a barista.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f4i c\u00f3 n\u00ean tr\u00e1nh u\u1ed1ng c\u00e0 ph\u00ea c\u00f9ng b\u1eefa \u0103n gi\u00e0u \u0111\u1ea1m kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eef li\u1ec7u \u1ee9c ch\u1ebf enzyme trypsin cho th\u1ea5y c\u00e0 ph\u00ea rang \u0111\u1eadm u\u1ed1ng c\u00f9ng th\u1ef1c ph\u1ea9m gi\u00e0u \u0111\u1ea1m c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ti\u00eau h\u00f3a l\u01b0\u1ee3ng protein \u0111\u00f3, nh\u01b0ng m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng trong \u0111i\u1ec1u ki\u1ec7n \u0103n u\u1ed1ng th\u1ef1c t\u1ebf v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng tr\u00ean ng\u01b0\u1eddi. \u0110\u00e2y l\u00e0 th\u00f4ng tin \u0111\u00e1ng l\u01b0u \u00fd cho nh\u1eefng ai \u0111ang ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd l\u01b0\u1ee3ng \u0111\u1ea1m n\u1ea1p v\u00e0o \u2014 nh\u01b0 v\u1eadn \u0111\u1ed9ng vi\u00ean th\u1ec3 h\u00ecnh hay ng\u01b0\u1eddi cao tu\u1ed5i \u2014 thay v\u00ec coi \u0111\u00f3 l\u00e0 m\u1ed1i lo ng\u1ea1i chung cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00ec sao h\u01b0\u01a1ng th\u01a1m c\u1ee7a c\u00e0 ph\u00ea rang \u0111\u1eadm bi\u1ebfn \u0111\u1ed5i nhanh h\u01a1n sau khi xay so v\u1edbi rang nh\u1ea1t?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Melanoidin trong m\u1ebb rang \u0111\u1eadm li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb v\u1edbi c\u00e1c thiol bay h\u01a1i nh\u01b0 2-furfurylthiol khi rang, nh\u01b0ng li\u00ean k\u1ebft n\u00e0y c\u00f3 t\u00ednh \u0111\u1ed9ng \u2014 vi\u1ec7c xay h\u1ea1t l\u00e0m t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t, th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh gi\u1ea3i ph\u00f3ng v\u00e0 oxy h\u00f3a ti\u1ebfp theo. C\u00e0 ph\u00ea rang nh\u1ea1t gi\u1eef l\u1ea1i nhi\u1ec1u ch\u1ea5t bay h\u01a1i t\u1ef1 do d\u1ec5 ph\u00e2n t\u00e1n nhanh; c\u00f2n c\u00e0 ph\u00ea rang \u0111\u1eadm nh\u1ea3 c\u00e1c ch\u1ea5t bay h\u01a1i li\u00ean k\u1ebft ch\u1eadm h\u01a1n nh\u01b0ng l\u1ea1i m\u1ea5t \u0111i c\u00e1c h\u1ee3p ch\u1ea5t thiol t\u1ea1o n\u00ean m\u00f9i th\u01a1m rang t\u01b0\u01a1i m\u1edbi v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n m\u1ed9t khi c\u1ea5u tr\u00fac t\u1ebf b\u00e0o b\u1ecb ph\u00e1 v\u1ee1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ede giai \u0111o\u1ea1n rang n\u00e0o s\u1ef1 ph\u00e2n h\u1ee7y trigonelline b\u1eaft \u0111\u1ea7u \u1ea3nh h\u01b0\u1edfng r\u00f5 r\u1ec7t \u0111\u1ebfn h\u01b0\u01a1ng th\u01a1m t\u00e1ch c\u00e0 ph\u00ea?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ph\u00e2n h\u1ee7y trigonelline b\u1eaft \u0111\u1ea7u di\u1ec5n ra r\u00f5 r\u1ec7t t\u1eeb kho\u1ea3ng 160\u00b0C v\u00e0 t\u0103ng t\u1ed1c m\u1ea1nh m\u1ebd qua c\u00e1c c\u1ea5p \u0111\u1ed9 rang v\u1eeba \u0111\u1ebfn \u0111\u1eadm. Khi h\u1ea1t c\u00e0 ph\u00ea ch\u1ea1m \u0111\u1ebfn ti\u1ebfng n\u1ed5 l\u1ea7n hai (second crack), m\u1ed9t ph\u1ea7n l\u1edbn trigonelline ban \u0111\u1ea7u \u0111\u00e3 chuy\u1ec3n h\u00f3a th\u00e0nh axit nicotinic v\u00e0 c\u00e1c ph\u00e2n t\u1eed pyridine bay h\u01a1i. S\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ea3m quan \u2014 t\u1eeb c\u00e1c ester h\u01b0\u01a1ng hoa tr\u00e1i c\u00e2y sang c\u00e1c n\u1ed1t pyridine m\u00f9i h\u1ea1t rang v\u00e0 \u0111\u1ea5t m\u1ed9c m\u1ea1c \u2014 b\u00e1m r\u1ea5t s\u00e1t \u0111\u01b0\u1eddng cong ph\u00e2n h\u1ee7y n\u00e0y, \u0111\u00f3 l\u00e0 l\u00fd do v\u00ec sao c\u1ea5p \u0111\u1ed9 rang l\u00e0 bi\u1ebfn s\u1ed1 d\u1ec5 ki\u1ec3m so\u00e1t nh\u1ea5t \u0111\u1ec3 \u0111i\u1ec1u ti\u1ebft n\u1ed1t h\u01b0\u01a1ng sinh ra t\u1eeb trigonelline.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u01b0\u01a1ng t\u1ef1, s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a t\u1eebng c\u00e1 nh\u00e2n trong <a href=\"https:\/\/coffeefactz.com\/vi\/chuyen-hoa-caffeine-thoi-gian-ban-thai-gen-cyp1a2\/\"><b><u>chuy\u1ec3n h\u00f3a caffeine<\/u><\/b><\/a>, \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi ho\u1ea1t t\u00ednh c\u1ee7a enzyme gan CYP1A2 v\u00e0 c\u00e1c bi\u1ebfn th\u1ec3 di truy\u1ec1n, s\u1ebd quy\u1ebft \u0111\u1ecbnh t\u00e1c d\u1ee5ng k\u00edch th\u00edch c\u1ee7a c\u00e0 ph\u00ea k\u00e9o d\u00e0i trong bao l\u00e2u.<\/p>\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\n<li>Melanoidins: Body, Color &#038; Health &#8211; Nghi\u00ean c\u1ee9u chuy\u00ean s\u00e2u Deep Brew c\u1ee7a Jayarr Coffee &#8211; jayarr.coffee<\/li>\n\n\n<li>Coffee Melanoidins and Health &#8211; T\u1ea1p ch\u00ed Frontiers in Nutrition (del Castillo) &#8211; frontiersin.org<\/li>\n\n\n<li>\u1ee8ng d\u1ee5ng HPLC\/Diode-Array trong nghi\u00ean c\u1ee9u ph\u00e2n h\u1ee7y nhi\u1ec7t Trigonelline c\u00e0 ph\u00ea &#8211; T\u1ea1p ch\u00ed Food Chemistry (Ferreira) &#8211; sciencedirect.com<\/li>\n\n\n<li>Nghi\u00ean c\u1ee9u l\u00ean men in-vitro t\u1ea1i \u0111\u1ea1i tr\u00e0ng ng\u01b0\u1eddi c\u1ee7a ph\u00e2n \u0111o\u1ea1n Arabinogalactan v\u00e0 Melanoidin c\u00e0 ph\u00ea &#8211; PubMed &#8211; pubmed.ncbi.nlm.nih.gov<\/li>\n\n\n<li>S\u1ea3n ph\u1ea9m ph\u1ea3n \u1ee9ng Maillard: Ho\u1ea1t t\u00ednh sinh h\u1ecdc v\u00e0 \u0111\u1eb7c t\u00ednh ch\u1ed1ng oxy h\u00f3a &#8211; T\u1ea1p ch\u00ed Frontiers in Nutrition (Nunes) &#8211; frontiersin.org<\/li>\n\n\n<li>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh h\u01b0\u01a1ng th\u01a1m v\u00e0 li\u00ean k\u1ebft Thiol trong Melanoidin c\u00e0 ph\u00ea &#8211; T\u1ea1p ch\u00ed H\u00f3a h\u1ecdc N\u00f4ng nghi\u1ec7p &#038; Th\u1ef1c ph\u1ea9m \/ MDPI (Hofmann) &#8211; mdpi.com<\/li>\n\n\n<li>Melanoidin c\u00e0 ph\u00ea nh\u01b0 ch\u1ea5t x\u01a1 h\u00f2a tan v\u00e0 ch\u1ea5t \u0111i\u1ec1u h\u00f2a enzyme ti\u00eau h\u00f3a &#8211; T\u1ea1p ch\u00ed Th\u1ef1c ph\u1ea9m Ch\u1ee9c n\u0103ng \/ Frontiers in Nutrition (Fogliano) &#8211; sciencedirect.com<\/li>\n\n\n<li>B\u00e1o c\u00e1o t\u1ed5ng quan c\u1ee7a EFSA v\u1ec1 c\u00e1c h\u1ee3p ch\u1ea5t phenolic trong ch\u1ebf \u0111\u1ed9 \u0103n v\u00e0 chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng ti\u00eau h\u00f3a &#8211; C\u01a1 quan An to\u00e0n Th\u1ef1c ph\u1ea9m Ch\u00e2u \u00c2u &#8211; efsa.europa.eu<\/li>\n\n<\/ul>\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Melanoidin trong c\u00e0 ph\u00ea c\u00f3 th\u1ef1c s\u1ef1 t\u1ed1t cho s\u1ee9c kh\u1ecfe hay ch\u1ec9 l\u00e0 chi\u00eau tr\u00f2 ti\u1ebfp th\u1ecb?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C\u00e2u tr\u1ea3 l\u1eddi th\u1eb3ng th\u1eafn l\u00e0: ch\u00fang c\u00f3 th\u1ec3 mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch c\u1ee5 th\u1ec3, nh\u01b0ng b\u1eb1ng ch\u1ee9ng hi\u1ec7n t\u1ea1i ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c tuy\u00ean b\u1ed1 ch\u1eefa b\u1ec7nh d\u1ee9t kho\u00e1t. Con \u0111\u01b0\u1eddng l\u00ean men prebiotic \u2014 melanoidin \u0111i t\u1edbi \u0111\u1ea1i tr\u00e0ng v\u00e0 s\u1ea3n sinh axit b\u00e9o chu\u1ed7i ng\u1eafn \u2014 \u0111\u01b0\u1ee3c b\u1ea3o ch\u1ee9ng b\u1edfi d\u1eef li\u1ec7u in-vitro tr\u1ef1c ti\u1ebfp v\u1edbi h\u1ec7 vi sinh ng\u01b0\u1eddi; trong khi t\u00e1c d\u1ee5ng ch\u1ed1ng oxy h\u00f3a v\u00e0 kh\u00e1ng vi\u00eam m\u1edbi ch\u1ec9 xu\u1ea5t hi\u1ec7n tr\u00ean m\u00f4 h\u00ecnh t\u1ebf b\u00e0o v\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn qua th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng.\"}},{\"@type\":\"Question\",\"name\":\"Ngo\u00e0i c\u00e0 ph\u00ea, nh\u1eefng th\u1ef1c ph\u1ea9m n\u00e0o kh\u00e1c c\u0169ng ch\u1ee9a melanoidin?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"V\u1ecf b\u00e1nh m\u00ec n\u01b0\u1edbng, bia m\u1ea1ch nha, m\u1eadt ong, th\u1ecbt n\u01b0\u1edbng v\u00e0 b\u1ed9t cacao rang \u0111\u1ec1u ch\u1ee9a melanoidin sinh ra t\u1eeb ph\u1ea3n \u1ee9ng Maillard. Trong ch\u1ebf \u0111\u1ed9 \u0103n ph\u01b0\u01a1ng T\u00e2y \u0111i\u1ec3n h\u00ecnh, c\u00e1c ngu\u1ed3n n\u00e0y c\u1ed9ng l\u1ea1i c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c v\u01b0\u1ee3t qua m\u1ee9c 1\u20132g m\u1ed7i ng\u00e0y t\u1eeb c\u00e0 ph\u00ea, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y vi\u1ec7c th\u1ea7n th\u00e1nh h\u00f3a melanoidin ri\u00eang trong c\u00e0 ph\u00ea c\u00f3 ph\u1ea7n b\u1ecb ph\u00f3ng \u0111\u1ea1i.\"}},{\"@type\":\"Question\",\"name\":\"H\u00e0m l\u01b0\u1ee3ng trigonelline trong c\u00e0 ph\u00ea c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng niacin (vitamin B3) m\u00e0 c\u01a1 th\u1ec3 h\u1ea5p thu kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C\u00f3 \u2014 trigonelline b\u1ecb kh\u1eed methyl th\u00e0nh axit nicotinic trong qu\u00e1 tr\u00ecnh rang, do \u0111\u00f3 m\u1ebb rang c\u00e0ng \u0111\u1eadm s\u1ebd chuy\u1ec3n h\u00f3a nhi\u1ec1u trigonelline th\u00e0nh niacin h\u01a1n, l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng vitamin B3 trong ly c\u00e0 ph\u00ea. Tuy nhi\u00ean, l\u01b0\u1ee3ng vitamin n\u00e0y kh\u00e1 khi\u00eam t\u1ed1n so v\u1edbi nhu c\u1ea7u dinh d\u01b0\u1ee1ng h\u00e0ng ng\u00e0y v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 ngu\u1ed3n b\u1ed5 sung \u0111\u00e1ng k\u1ec3 cho h\u1ea7u h\u1ebft ng\u01b0\u1eddi u\u1ed1ng.\"}},{\"@type\":\"Question\",\"name\":\"H\u00f3a h\u1ecdc c\u1ee7a melanoidin trong c\u00e0 ph\u00ea c\u00f3 li\u00ean quan g\u00ec \u0111\u1ebfn s\u1eafc t\u1ed1 melanin tr\u00ean da ng\u01b0\u1eddi kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ho\u00e0n to\u00e0n kh\u00f4ng \u2014 melanoidin trong c\u00e0 ph\u00ea v\u00e0 s\u1eafc t\u1ed1 melanin c\u1ee7a con ng\u01b0\u1eddi l\u00e0 hai ph\u00e2n t\u1eed ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t. Melanoidin l\u00e0 polymer c\u1ee7a ph\u1ea3n \u1ee9ng Maillard t\u1ea1o th\u00e0nh t\u1eeb \u0111\u01b0\u1eddng v\u00e0 axit amin d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng nhi\u1ec7t; c\u00f2n melanin l\u00e0 s\u1eafc t\u1ed1 sinh h\u1ecdc ph\u00e1i sinh t\u1eeb tyrosine do c\u00e1c t\u1ebf b\u00e0o melanocyte t\u1ed5ng h\u1ee3p n\u00ean. S\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 t\u00ean g\u1ecdi ch\u1ec9 b\u1eaft ngu\u1ed3n t\u1eeb g\u1ed1c t\u1eeb v\u1ef1ng, kh\u00f4ng h\u1ec1 c\u00f3 m\u1ed1i li\u00ean h\u1ec7 h\u00f3a sinh n\u00e0o.\"}},{\"@type\":\"Question\",\"name\":\"V\u00ec sao l\u1edbp crema espresso l\u1ea1i tan nhanh h\u01a1n khi d\u00f9ng c\u00e0 ph\u00ea rang nh\u1ea1t?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C\u00e0 ph\u00ea rang nh\u1ea1t s\u1ea3n sinh n\u1ed3ng \u0111\u1ed9 melanoidin tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao th\u1ea5p h\u01a1n \u2014 \u0111\u00e2y v\u1ed1n l\u00e0 nh\u1eefng polymer ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t t\u1ea1o ra l\u1edbp m\u00e0ng nh\u1edbt-\u0111\u00e0n h\u1ed3i gi\u1eef c\u00e1c b\u1ecdt kh\u00ed CO2 trong crema. Khi thi\u1ebfu h\u1ee5t l\u01b0\u1ee3ng melanoidin c\u1ea7n thi\u1ebft t\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac kh\u00ed-l\u1ecfng, k\u1ebft c\u1ea5u b\u1ecdt s\u1ebd m\u1ecfng manh v\u00e0 tho\u00e1t kh\u00ed nhanh ch\u00f3ng \u2014 \u0111\u00e2y l\u00e0 gi\u1edbi h\u1ea1n v\u1ec1 m\u1eb7t h\u00f3a l\u00fd, kh\u00f4ng ph\u1ea3i do thao t\u00e1c chi\u1ebft xu\u1ea5t c\u1ee7a barista.\"}},{\"@type\":\"Question\",\"name\":\"T\u00f4i c\u00f3 n\u00ean tr\u00e1nh u\u1ed1ng c\u00e0 ph\u00ea c\u00f9ng b\u1eefa \u0103n gi\u00e0u \u0111\u1ea1m kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"D\u1eef li\u1ec7u \u1ee9c ch\u1ebf enzyme trypsin cho th\u1ea5y c\u00e0 ph\u00ea rang \u0111\u1eadm u\u1ed1ng c\u00f9ng th\u1ef1c ph\u1ea9m gi\u00e0u \u0111\u1ea1m c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ti\u00eau h\u00f3a l\u01b0\u1ee3ng protein \u0111\u00f3, nh\u01b0ng m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng trong \u0111i\u1ec1u ki\u1ec7n \u0103n u\u1ed1ng th\u1ef1c t\u1ebf v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng tr\u00ean ng\u01b0\u1eddi. \u0110\u00e2y l\u00e0 th\u00f4ng tin \u0111\u00e1ng l\u01b0u \u00fd cho nh\u1eefng ai \u0111ang ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd l\u01b0\u1ee3ng \u0111\u1ea1m n\u1ea1p v\u00e0o \u2014 nh\u01b0 v\u1eadn \u0111\u1ed9ng vi\u00ean th\u1ec3 h\u00ecnh hay ng\u01b0\u1eddi cao tu\u1ed5i \u2014 thay v\u00ec coi \u0111\u00f3 l\u00e0 m\u1ed1i lo ng\u1ea1i chung cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi.\"}},{\"@type\":\"Question\",\"name\":\"V\u00ec sao h\u01b0\u01a1ng th\u01a1m c\u1ee7a c\u00e0 ph\u00ea rang \u0111\u1eadm bi\u1ebfn \u0111\u1ed5i nhanh h\u01a1n sau khi xay so v\u1edbi rang nh\u1ea1t?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Melanoidin trong m\u1ebb rang \u0111\u1eadm li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb v\u1edbi c\u00e1c thiol bay h\u01a1i nh\u01b0 2-furfurylthiol khi rang, nh\u01b0ng li\u00ean k\u1ebft n\u00e0y c\u00f3 t\u00ednh \u0111\u1ed9ng \u2014 vi\u1ec7c xay h\u1ea1t l\u00e0m t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t, th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh gi\u1ea3i ph\u00f3ng v\u00e0 oxy h\u00f3a ti\u1ebfp theo. C\u00e0 ph\u00ea rang nh\u1ea1t gi\u1eef l\u1ea1i nhi\u1ec1u ch\u1ea5t bay h\u01a1i t\u1ef1 do d\u1ec5 ph\u00e2n t\u00e1n nhanh; c\u00f2n c\u00e0 ph\u00ea rang \u0111\u1eadm nh\u1ea3 c\u00e1c ch\u1ea5t bay h\u01a1i li\u00ean k\u1ebft ch\u1eadm h\u01a1n nh\u01b0ng l\u1ea1i m\u1ea5t \u0111i c\u00e1c h\u1ee3p ch\u1ea5t thiol t\u1ea1o n\u00ean m\u00f9i th\u01a1m rang t\u01b0\u01a1i m\u1edbi v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n m\u1ed9t khi c\u1ea5u tr\u00fac t\u1ebf b\u00e0o b\u1ecb ph\u00e1 v\u1ee1.\"}},{\"@type\":\"Question\",\"name\":\"\u1ede giai \u0111o\u1ea1n rang n\u00e0o s\u1ef1 ph\u00e2n h\u1ee7y trigonelline b\u1eaft \u0111\u1ea7u \u1ea3nh h\u01b0\u1edfng r\u00f5 r\u1ec7t \u0111\u1ebfn h\u01b0\u01a1ng th\u01a1m t\u00e1ch c\u00e0 ph\u00ea?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"S\u1ef1 ph\u00e2n h\u1ee7y trigonelline b\u1eaft \u0111\u1ea7u di\u1ec5n ra r\u00f5 r\u1ec7t t\u1eeb kho\u1ea3ng 160\u00b0C v\u00e0 t\u0103ng t\u1ed1c m\u1ea1nh m\u1ebd qua c\u00e1c c\u1ea5p \u0111\u1ed9 rang v\u1eeba \u0111\u1ebfn \u0111\u1eadm. Khi h\u1ea1t c\u00e0 ph\u00ea ch\u1ea1m \u0111\u1ebfn ti\u1ebfng n\u1ed5 l\u1ea7n hai (second crack), m\u1ed9t ph\u1ea7n l\u1edbn trigonelline ban \u0111\u1ea7u \u0111\u00e3 chuy\u1ec3n h\u00f3a th\u00e0nh axit nicotinic v\u00e0 c\u00e1c ph\u00e2n t\u1eed pyridine bay h\u01a1i. S\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ea3m quan \u2014 t\u1eeb c\u00e1c ester h\u01b0\u01a1ng hoa tr\u00e1i c\u00e2y sang c\u00e1c n\u1ed1t pyridine m\u00f9i h\u1ea1t rang v\u00e0 \u0111\u1ea5t m\u1ed9c m\u1ea1c \u2014 b\u00e1m r\u1ea5t s\u00e1t \u0111\u01b0\u1eddng cong ph\u00e2n h\u1ee7y n\u00e0y, \u0111\u00f3 l\u00e0 l\u00fd do v\u00ec sao c\u1ea5p \u0111\u1ed9 rang l\u00e0 bi\u1ebfn s\u1ed1 d\u1ec5 ki\u1ec3m so\u00e1t nh\u1ea5t \u0111\u1ec3 \u0111i\u1ec1u ti\u1ebft n\u1ed1t h\u01b0\u01a1ng sinh ra t\u1eeb trigonelline.\"}}]}<\/script>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\/\/coffeefactz.com\/trigonelline-melanoidins-coffee-chemistry\/#richSnippet\",\"about\":{\"name\":\"coffee melanoidins\"},\"mentions\":[{\"name\":\"Maillard reaction\",\"sameAs\":\"https:\/\/www.google.com\/search?kgmid=\/m\/01p57z\"},{\"name\":\"Trigonelline\",\"sameAs\":\"https:\/\/www.google.com\/search?kgmid=\/m\/05z0y_\"},{\"name\":\"pyridine alkaloid\",\"sameAs\":\"https:\/\/www.google.com\/search?kgmid=\/g\/11dftby5tc\"},{\"name\":\"Robusta\",\"sameAs\":\"https:\/\/www.google.com\/search?kgmid=\/m\/012ngdh9\"},{\"name\":\"Arabica\",\"sameAs\":\"https:\/\/www.google.com\/search?kgmid=\/m\/045bg8\"},{\"name\":\"Melanoidins\"}]}]}<\/script>","protected":false},"excerpt":{"rendered":"<p>Trigonelline v\u00e0 melanoidin l\u00e0 hai h\u1ee3p ch\u1ea5t \u00edt \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch c\u1eb7n k\u1ebd nh\u1ea5t trong c\u00e0 ph\u00ea rang \u2014 m\u1ed9t ch\u1ea5t ki\u1ebfn t\u1ea1o n\u00ean t\u1ea7ng h\u01b0\u01a1ng th\u01a1m phong ph\u00fa, ch\u1ea5t c\u00f2n l\u1ea1i tr\u1ef1c ti\u1ebfp x\u00e2y d\u1ef1ng th\u1ec3 ch\u1ea5t, m\u00e0u s\u1eafc v\u00e0 l\u1edbp crema, \u0111\u1ed3ng th\u1eddi l\u00ean men nh\u01b0 ch\u1ea5t x\u01a1 h\u00f2a tan trong \u0111\u1ea1i tr\u00e0ng. N\u1eafm v\u1eefng c\u01a1 ch\u1ebf h\u00ecnh th\u00e0nh v\u00e0 s\u1ed1 ph\u1eadn sinh h\u1ecdc c\u1ee7a c\u1ea3 hai h\u1ee3p ch\u1ea5t gi\u00fap gi\u1edbi l\u00e0m c\u00e0 ph\u00ea c\u00f3 m\u1ed9t l\u0103ng k\u00ednh v\u1eefng ch\u1eafc \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ecdi nh\u1eadn \u0111\u1ecbnh s\u1ee9c kh\u1ecfe v\u00e0 quy\u1ebft \u0111\u1ecbnh rang m\u1ebb h\u1ea1t.<\/p>\n","protected":false},"author":1,"featured_media":51187,"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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C\u1ed1t L\u00f5i C\u1ee7a C\u00e0 Ph\u00ea","rank_math_description":"Melanoidin chi\u1ebfm t\u1edbi 23\u201325% tr\u1ecdng l\u01b0\u1ee3ng kh\u00f4 c\u1ee7a h\u1ea1t c\u00e0 ph\u00ea rang \u2014 kh\u00e1m ph\u00e1 con \u0111\u01b0\u1eddng h\u00ecnh th\u00e0nh, c\u01a1 ch\u1ebf c\u1ea3m quan v\u00e0 b\u1eb1ng ch\u1ee9ng khoa h\u1ecdc th\u1ef1c t\u1ebf v\u1ec1 s\u1ee9c kh\u1ecfe.","rank_math_canonical_url":"","rank_math_focus_keyword":"Trigonelline v\u00e0 melanoidin","_wpscp_schedule_draft_date":"","_wpscp_schedule_republish_date":"","_wpscppro_advance_schedule":false,"_wpscppro_advance_schedule_date":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_bluesky_share_type":"","_mastodon_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[768],"tags":[],"class_list":["post-54060","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-suc-khoe"],"uagb_featured_image_src":{"full":["https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-melanoidins-aroma-health-compounds.webp",1280,720,false],"thumbnail":["https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-melanoidins-aroma-health-compounds-150x150.webp",150,150,true],"medium":["https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-melanoidins-aroma-health-compounds-300x169.webp",300,169,true],"medium_large":["https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-melanoidins-aroma-health-compounds-768x432.webp",768,432,true],"large":["https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-melanoidins-aroma-health-compounds-1024x576.webp",1024,576,true],"1536x1536":["https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-melanoidins-aroma-health-compounds.webp",1280,720,false],"2048x2048":["https:\/\/coffeefactz.com\/wp-content\/uploads\/2026\/06\/coffee-melanoidins-aroma-health-compounds.webp",1280,720,false]},"uagb_author_info":{"display_name":"Pham Toan","author_link":"https:\/\/coffeefactz.com\/vi\/author\/pham-toan\/"},"uagb_comment_info":0,"uagb_excerpt":"Trigonelline v\u00e0 melanoidin l\u00e0 hai h\u1ee3p ch\u1ea5t \u00edt \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch c\u1eb7n k\u1ebd nh\u1ea5t trong c\u00e0 ph\u00ea rang \u2014 m\u1ed9t ch\u1ea5t ki\u1ebfn t\u1ea1o n\u00ean t\u1ea7ng h\u01b0\u01a1ng th\u01a1m phong ph\u00fa, ch\u1ea5t c\u00f2n l\u1ea1i tr\u1ef1c ti\u1ebfp x\u00e2y d\u1ef1ng th\u1ec3 ch\u1ea5t, m\u00e0u s\u1eafc v\u00e0 l\u1edbp crema, \u0111\u1ed3ng th\u1eddi l\u00ean men nh\u01b0 ch\u1ea5t x\u01a1 h\u00f2a tan trong \u0111\u1ea1i tr\u00e0ng.&hellip;","_links":{"self":[{"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/posts\/54060","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=54060"}],"version-history":[{"count":1,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/posts\/54060\/revisions"}],"predecessor-version":[{"id":54065,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/posts\/54060\/revisions\/54065"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/media\/51187"}],"wp:attachment":[{"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/media?parent=54060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/categories?post=54060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coffeefactz.com\/vi\/wp-json\/wp\/v2\/tags?post=54060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}