R\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng l\u00e0 m\u1ed9t \u0111\u1eb7c s\u1ea3n c\u1ee7a Trung Qu\u1ed1c, nhi\u1ec1u l\u1ea7n \u0111\u01b0\u1ee3c t\u1eb7ng th\u01b0\u1edfng huy ch\u01b0\u01a1ng v\u00e0ng trong c\u00e1c cu\u1ed9c tri\u1ec3n l\u00e3m th\u1ef1c ph\u1ea9m qu\u1ed1c t\u1ebf: R\u01b0\u1ee3u c\u00f3 m\u00e0u v\u00e0ng n\u00e2u trong su\u1ed1t, m\u00f9i th\u01a1m ng\u00e0o ng\u1ea1t, v\u1ecb \u0111\u1eadm, ng\u1ecdt th\u01a1m, \u0111\u1ec3 l\u00e2u kh\u00f4ng h\u1ecfng, \u0111\u1ec3 c\u00e0ng l\u00e2u c\u00e0ng th\u01a1m.<\/p>\n\n\n\n
Th\u1ebf n\u00e0o l\u00e0 \u0111\u1ec3 c\u00e0ng l\u00e2u c\u00e0ng th\u01a1m?<\/p>\n\n\n\n
M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft, n\u00f3i chung th\u1ef1c ph\u1ea9m v\u00e0 th\u1ee9c u\u1ed1ng, qu\u00e1 th\u1eddi h\u1ea1n b\u1ea3o qu\u1ea3n, s\u1ea3n ph\u1ea9m s\u1ebd d\u1ea7n bi\u1ebfn ch\u1ea5t. Nh\u01b0ng v\u1edbi r\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng \u0111\u1ec3 l\u00e2u kh\u00f4ng h\u1ec1 bi\u1ebfn ch\u1ea5t. Tr\u00e1i l\u1ea1i \u0111\u1ec3 c\u00e0ng l\u00e2u, sau m\u1ed9t n\u0103m hai n\u0103m ho\u1eb7c l\u00e2u h\u01a1n v\u1ecb r\u01b0\u1ee3u s\u1ebd ng\u00e0y c\u00e0ng \u0111\u1eadm, m\u00f9i s\u1ebd c\u00e0ng th\u01a1m v\u00ec v\u1eady r\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng \u0111\u1ec3 c\u00e0ng l\u00e2u s\u1ebd c\u00e0ng qu\u00fd v\u00e0 gi\u00e1 s\u1ebd c\u00e0ng cao. Th\u1ebf t\u1ea1i sao r\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng c\u00e0ng \u0111\u1ec3 l\u00e2u l\u1ea1i c\u00e0ng \u0111\u01b0\u1ee3m, c\u00e0ng th\u01a1m?<\/p>\n\n\n\n
R\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng g\u1ea1o n\u1ebfp (n\u1ea5u th\u00e0nh ch\u00e1o n\u1ebfp) cho l\u00ean men. Men l\u00e0 m\u1ed9t lo\u1ea1i vi sinh v\u1eadt g\u1ecdi l\u00e0 men r\u01b0\u1ee3u. D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a men, h\u1ed3 tinh b\u1ed9t c\u1ee7a g\u1ea1o n\u1ebfp chuy\u1ec3n ho\u00e1 th\u00e0nh r\u01b0\u1ee3u th\u01a1m. C\u1ed3n (r\u01b0\u1ee3u etylic) l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a r\u01b0\u1ee3u nh\u01b0ng c\u00f2n m\u00f9i th\u01a1m kh\u00f4ng ph\u1ea3i ch\u1ec9 ri\u00eang r\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng m\u1edbi c\u00f3. Nguy\u00ean do l\u00e0 trong c\u01a1m n\u1ebfp c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 vi sinh v\u1eadt kh\u00e1c nh\u01b0 men d\u1ea5m, men lactic, ch\u00fang c\u00f3 th\u1ec3 bi\u1ebfn m\u1ed9t ph\u1ea7n nh\u1ecf n\u1ebfp th\u00e0nh axit axetic, axit lactic\u2026<\/p>\n\n\n\n
C\u00e1c lo\u1ea1i men axit l\u1ea1i chuy\u1ec3n ho\u00e1 c\u1ed3n etylic th\u00e0nh m\u1ed9t h\u1ee3p ch\u1ea5t c\u00f3 m\u00f9i th\u01a1m h\u01a1n r\u01b0\u1ee3u etylic nh\u01b0 axetat etyl, este c\u1ee7a axit lactic. C\u00e1c este c\u00f3 m\u00f9i th\u01a1m nh\u1eb9 nh\u01b0 este axetat etyl, lactat etyl. M\u00f9i gi\u1ed1ng m\u00f9i t\u00e1o l\u00e0 c\u1ee7a este axetic, m\u00f9i hoa \u0111\u00e0o l\u00e0 c\u1ee7a este lactic\u2026 B\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i, ng\u01b0\u1eddi ta th\u1ea5y trong r\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng c\u00f3 \u0111\u1ebfn h\u01a1n 100 lo\u1ea1i este (ph\u1ea7n l\u1edbn l\u00e0 este c\u1ee7a axit axetic), ch\u1eb3ng th\u1ebf m\u00e0 khi m\u1edf b\u00ecnh r\u01b0\u1ee3u Thi\u1ec7u<\/p>\n\n\n\n
H\u01b0ng ng\u01b0\u1eddi ta ng\u1eedi th\u1ea5y m\u00f9i th\u01a1m n\u1ee9c m\u0169i.<\/p>\n\n\n\n
C\u1ea7n ph\u1ea3i n\u00eau l\u00ean r\u1eb1ng c\u00e1c lo\u1ea1i bi\u1ebfn \u0111\u1ed5i n\u00e0y (trong ho\u00e1 h\u1ecdc g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh este ho\u00e1), n\u1ebfu ti\u1ebfn h\u00e0nh trong ph\u00f2ng th\u00ed nghi\u1ec7m trong c\u00e1c b\u00ecnh c\u1ea7u, ng\u01b0\u1eddi ta ch\u1ec9 c\u1ea7n th\u00eam \u00edt ch\u1ea5t x\u00fac t\u00e1c th\u00ec ch\u1ec9 sau m\u1ea5y ch\u1ee5c ph\u00fat l\u00e0 ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac. Th\u1ebf nh\u01b0ng \u1edf c\u00e1c x\u01b0\u1edfng r\u01b0\u1ee3u, \u1edf c\u00e1c th\u00f9ng r\u01b0\u1ee3u, r\u01b0\u1ee3u \u0111\u00e3 t\u1eeb t\u1eeb ti\u1ebfn h\u00e0nh qu\u00e1 tr\u00ecnh este ho\u00e1 \u0111\u00e3 n\u00f3i \u1edf tr\u00ean. Ng\u01b0\u1eddi ta g\u1ecdi \u0111\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh \u1ee7 (t\u1ee9c \u0111\u1ec3 l\u00e2u). Lo\u1ea1i r\u01b0\u1ee3u tuy\u1ec7t h\u1ea3o Thi\u1ec7u H\u01b0ng \u0111\u01b0\u1ee3c \u0111\u00f3ng k\u00edn v\u00e0o c\u00e1c b\u00ecnh ch\u1ee9a \u0111\u1ec3 m\u1ed9t n\u0103m, hai n\u0103m cho \u0111\u1ebfn nhi\u1ec1u n\u0103m sau m\u1edbi \u0111\u01b0a \u0111i b\u00e1n ra th\u1ecb tr\u01b0\u1eddng.<\/p>\n\n\n\n
\u0110\u1ebfn \u0111\u00e2y ch\u1eafc c\u00e1c b\u1ea1n \u0111\u00e3 bi\u1ebft nguy\u00ean nh\u00e2n t\u1ea1i sao r\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng c\u00e0ng \u0111\u1ec3 l\u00e2u n\u0103m c\u00e0ng th\u01a1m ngon. Trong qu\u00e1 tr\u00ecnh \u0111\u1ec3 l\u00e2u s\u1ebd ti\u1ebfn h\u00e0nh qu\u00e1 tr\u00ecnh este ho\u00e1 cho nhi\u1ec1u ch\u1ea5t, th\u1eddi gian c\u00e0ng l\u00e2u th\u00ec qu\u00e1 tr\u00ecnh este h\u00f3a m\u1edbi d\u1ea7n d\u1ea7n, ch\u1eadm ch\u1ea1p ho\u00e0n thi\u1ec7n. Qu\u1ea3 l\u00e0 m\u1ed9t vi\u1ec7c ph\u1ee9c t\u1ea1p, v\u00ec th\u1ebf r\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng c\u00f3 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n, \u0111\u1ec3 \u1ee7 c\u00e0ng l\u00e2u c\u00e0ng t\u1ed1t.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Men r\u01b0\u1ee3u; Qu\u00e1 tr\u00ecnh \u1ee7.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
R\u01b0\u1ee3u Thi\u1ec7u H\u01b0ng l\u00e0 m\u1ed9t \u0111\u1eb7c s\u1ea3n c\u1ee7a Trung Qu\u1ed1c, nhi\u1ec1u l\u1ea7n \u0111\u01b0\u1ee3c t\u1eb7ng th\u01b0\u1edfng huy ch\u01b0\u01a1ng v\u00e0ng trong c\u00e1c cu\u1ed9c tri\u1ec3n l\u00e3m th\u1ef1c ph\u1ea9m qu\u1ed1c t\u1ebf: R\u01b0\u1ee3u c\u00f3 m\u00e0u v\u00e0ng n\u00e2u trong su\u1ed1t, m\u00f9i th\u01a1m ng\u00e0o ng\u1ea1t, v\u1ecb \u0111\u1eadm, ng\u1ecdt th\u01a1m, \u0111\u1ec3 l\u00e2u kh\u00f4ng h\u1ecfng, \u0111\u1ec3 c\u00e0ng l\u00e2u c\u00e0ng th\u01a1m. Th\u1ebf n\u00e0o l\u00e0 \u0111\u1ec3 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-8068","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8068"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8068\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}