{"id":12204,"date":"2020-12-03T02:19:08","date_gmt":"2020-12-02T19:19:08","guid":{"rendered":"http:\/\/tanhuuqui.com\/?p=12204"},"modified":"2020-12-03T02:19:08","modified_gmt":"2020-12-02T19:19:08","slug":"len-men-thuc-cho-tom-chan-trang","status":"publish","type":"post","link":"https:\/\/tanhuuqui.com\/ja\/len-men-thuc-cho-tom-chan-trang\/","title":{"rendered":"L\u00caN MEN TH\u1ee8C \u0102N CHO T\u00d4M TH\u1eba CH\u00c2N TR\u1eaeNG"},"content":{"rendered":"

Th\u1ee9c \u0103n l\u00ean men b\u1eb1ng h\u1ed7n h\u1ee3p vi khu\u1ea9n k\u00edch th\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n, t\u0103ng kh\u1ea3 n\u0103ng mi\u1ec5n d\u1ecbch c\u1ee7a t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng.<\/h4>\n
\"T\u00f4m
S\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ed1i v\u1edbi t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng.<\/figcaption><\/figure>\n

Th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p r\u1ea5t gi\u00e0u dinh d\u01b0\u1ee1ng, n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ti\u00eau h\u00f3a v\u00e0 h\u1ea5p thu m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 s\u1ebd r\u1ea5t l\u00e3ng ph\u00ed, ch\u00ednh v\u00ec th\u1ebf th\u1ee9c \u0103n l\u00ean men ch\u1ee9a men vi sinh \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cho v\u1ea5n \u0111\u1ec1 n\u00e0y trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 khi l\u00ean men c\u1ea7n t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh l\u00ean men \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c th\u00e0nh ph\u1ea7n carbohydrate th\u1ef1c v\u1eadt kh\u00f3 ti\u00eau h\u00f3a trong th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p.<\/p>\n

\n

\u0110i\u1ec1u ki\u1ec7n t\u1ed1i \u01b0u c\u1ee7a qu\u00e1 tr\u00ecnh l\u00ean men th\u1ee9c \u0103n<\/h3>\n

Th\u1ee9c \u0103n l\u00ean men tr\u1ea1ng th\u00e1i r\u1eafn th\u01b0\u1eddng l\u1ea5y th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p l\u00e0m nguy\u00ean li\u1ec7u c\u01a1 b\u1ea3n, tr\u1ed9n v\u1edbi men vi sinh v\u00e0 n\u01b0\u1edbc, sau \u0111\u00f3 l\u00ean men trong m\u00f4i tr\u01b0\u1eddng hi\u1ebfu kh\u00ed ho\u1eb7c k\u1ef5 kh\u00ed \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p. Sau khi l\u00ean men, th\u1ee9c \u0103n \u0111\u01b0\u1ee3c s\u1ea5y \u1edf nhi\u1ec7t \u0111\u1ed9 60o<\/sup>C trong 30 ph\u00fat, sau \u0111\u00f3 s\u1ea5y kh\u00f4 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p ch\u1ee7ng vi khu\u1ea9n \u0111\u01b0\u1ee3c coi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi m\u1ed9t d\u00f2ng ri\u00eang l\u1ebb. Do \u0111\u00f3, h\u1ed7n h\u1ee3p men vi sinh bao g\u1ed3m Lactobacillus plantarum <\/i>(STBL1), Saccharomyces cerevisiae <\/i>(STBS1) v\u00e0 Bacillus safensis<\/i> (SQVG18) \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho qu\u00e1 tr\u00ecnh l\u00ean men th\u1ee9c \u0103n t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng v\u1edbi t\u1ef7 l\u1ec7 h\u1ed7n h\u1ee3p vi khu\u1ea9n: STBL1: STBS1: SQVG18 = 1%: 3%: 3%.<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 l\u00ean men, th\u1eddi gian l\u00ean men, t\u1ef7 l\u1ec7 ch\u1ea5t l\u1ecfng – r\u1eafn v\u00e0 l\u01b0\u1ee3ng vi khu\u1ea9n l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00ean men tr\u1ea1ng th\u00e1i r\u1eafn. \u1ede nghi\u00ean c\u1ee9u n\u00e0y, th\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00ean men, ti\u1ebfp theo l\u00e0 th\u1eddi gian l\u00ean men. Theo \u0111\u00f3, \u0111i\u1ec1u ki\u1ec7n l\u00ean men t\u1ed1i \u01b0u c\u1ee7a h\u1ed7n h\u1ee3p ch\u1ee7ng vi khu\u1ea9n n\u00e0y l\u00e0: nhi\u1ec7t \u0111\u1ed9 35o<\/sup>C, th\u1eddi gian 24h, t\u1ef7 l\u1ec7 nguy\u00ean li\u1ec7u v\u00e0 n\u01b0\u1edbc 1:0,6g\/ml. Vi\u1ec7c b\u1ed5 sung n\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh l\u00ean men c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i m\u00e0u v\u00e0 m\u00f9i c\u1ee7a th\u1ee9c \u0103n. M\u00f9i chua ch\u1ee7 y\u1ebfu l\u00e0 do axit lactic do Lactobacillus s\u1ea3n xu\u1ea5t ra, khi\u1ebfn pH th\u1ea5p h\u01a1n v\u00e0 axit cao h\u01a1n, \u0111i\u1ec1u n\u00e0y g\u00f3p ph\u1ea7n kh\u1eafc ph\u1ee5c c\u00e1c m\u1ea7m b\u1ec7nh cho t\u00f4m.<\/p>\n

M\u1ed9t trong nh\u1eefng l\u00fd do l\u00e0m ch\u1ebf ph\u1ea9m sinh h\u1ecdc kh\u00f4ng \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao khi s\u1eed d\u1ee5ng l\u00e0 do t\u1ef7 l\u1ec7 s\u1ed1ng s\u00f3t th\u1ea5p c\u1ee7a vi sinh trong \u0111\u01b0\u1eddng ru\u1ed9t t\u00f4m. Vi\u1ec7c s\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men b\u1eb1ng h\u1ed7n h\u1ee3p vi khu\u1ea9n trong nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 l\u00e0m m\u1eadt \u0111\u1ed9 vi khu\u1ea9n Lactobacillus trong ru\u1ed9t t\u0103ng \u0111\u00e1ng k\u1ec3, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u00f3 l\u1ee3i cho t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng v\u00ec vi khu\u1ea9n axit lactic n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec1u lo\u1ea1i ch\u1ea5t chuy\u1ec3n h\u00f3a nh\u01b0 axit h\u1eefu c\u01a1, hydro peroxide \u2026trong qu\u00e1 tr\u00ecnh l\u00ean men.<\/p>\n

N\u1ed3ng \u0111\u1ed9 men vi sinh 107<\/sup> CFU\/g v\u00e0 108<\/sup> CFU\/g l\u00e0 ph\u00f9 h\u1ee3p cho qu\u00e1 tr\u00ecnh l\u00ean men th\u1ee9c \u0103n \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 \u0111a d\u1ea1ng v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u vi sinh trong \u0111\u01b0\u1eddng ru\u1ed9t t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng vi\u1ec7c cung c\u1ea5p qu\u00e1 nhi\u1ec1u men vi sinh s\u1ebd c\u00f3 h\u1ea1i cho s\u1ef1 c\u00e2n b\u1eb1ng h\u1ec7 vi sinh \u0111\u01b0\u1eddng ru\u1ed9t t\u00f4m. N\u1ed3ng \u0111\u1ed9 men vi sinh cao c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 \u0111a d\u1ea1ng lo\u00e0i c\u1ee7a vi sinh v\u1eadt \u0111\u01b0\u1eddng ru\u1ed9t t\u00f4m.<\/p>\n

T\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c c\u1ee7a th\u1ee9c \u0103n l\u00ean men \u0111\u1ed1i v\u1edbi t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng<\/h3>\n

Hi\u1ec7u su\u1ea5t t\u0103ng tr\u01b0\u1edfng c\u1ee7a nh\u00f3m s\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n trong nghi\u00ean c\u1ee9u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 do gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng c\u1ee7a th\u1ee9c \u0103n l\u00ean men \u0111\u00e3 t\u0103ng l\u00ean, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0m l\u01b0\u1ee3ng protein v\u00e0 axit amin h\u00f2a tan cao h\u01a1n.<\/p>\n

H\u00e0m l\u01b0\u1ee3ng axit amin thi\u1ebft y\u1ebfu b\u1ecb h\u1ea1n ch\u1ebf l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 l\u1edbn c\u1ee7a th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p. Trong nghi\u00ean c\u1ee9u n\u00e0y, t\u1ed5ng s\u1ed1 axit amin v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i axit amin thi\u1ebft y\u1ebfu (EAA) nh\u01b0: methionine v\u00e0 lysine c\u1ee7a th\u1ee9c \u0103n l\u00ean men b\u1eb1ng h\u1ed7n h\u1ee3p vi khu\u1ea9n cao h\u01a1n so v\u1edbi th\u1ee9c \u0103n ch\u01b0a l\u00ean men. Ngo\u00e0i ra, th\u00f4ng qua qu\u00e1 tr\u00ecnh l\u00ean men h\u1ea7u h\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n axit amin nh\u01b0 Asp, Thr, Ser, Gly, Ala, Val, Leu, Lys, His, Arg v\u00e0 Pro c\u1ee7a th\u1ee9c \u0103n \u0111\u1ec1u t\u0103ng \u0111\u00e1ng k\u1ec3.<\/p>\n

S\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men c\u0169ng k\u00edch th\u00edch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c enzyme: protease, amylase v\u00e0 lipase, gi\u00fap chuy\u1ec3n h\u00f3a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn carbohydrate, protein v\u00e0 lipid trong th\u1ee9c \u0103n. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a enzyme ti\u00eau h\u00f3a \u1edf \u0111\u1ed9ng v\u1eadt th\u1ee7y s\u1ea3n c\u00f3 li\u00ean quan m\u1eadt thi\u1ebft \u0111\u1ebfn lo\u1ea1i v\u00e0 l\u01b0\u1ee3ng ch\u1ea5t dinh d\u01b0\u1ee1ng trong th\u1ee9c \u0103n.<\/p>\n

Enzyme ch\u1ed1ng oxy h\u00f3a bao g\u1ed3m: T-AOC, SOD v\u00e0 GSH, gi\u00fap b\u1ea3o v\u1ec7 v\u1eadt ch\u1ee7 kh\u1ecfi c\u00e1c t\u00e1c nh\u00e2n g\u00e2y stress. Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a T-AOC v\u00e0 SOD t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3 trong gan t\u1ee5y \u1edf c\u00e1c nghi\u1ec7m th\u1ee9c s\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng h\u1ec7 th\u1ed1ng ch\u1ed1ng oxy h\u00f3a c\u1ee7a t\u00f4m \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng nh\u1edd s\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men.<\/p>\n

S\u1ef1 ph\u00e1 h\u1ee7y m\u00f4 gan t\u1ee5y \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh b\u1edfi GPT v\u00e0 GOT, nghi\u00ean c\u1ee9u n\u00e0y cho th\u1ea5y t\u1ea5t c\u1ea3 c\u00e1c nh\u00f3m c\u00f3 v\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men \u0111\u1ec1u kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 ho\u1ea1t \u0111\u1ed9ng GPT v\u00e0 GOT, ch\u1ee9ng t\u1ecf th\u1ee9c \u0103n l\u00ean men v\u1edbi c\u00e1c n\u1ed3ng \u0111\u1ed9 men vi sinh kh\u00e1c nhau kh\u00f4ng g\u00e2y h\u1ea1i cho gan t\u1ee5y c\u1ee7a t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng v\u00e0 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong s\u1ea3n xu\u1ea5t th\u1ee9c \u0103n th\u1ee7y s\u1ea3n.<\/p>\n

T\u00f3m l\u1ea1i, vi\u1ec7c s\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men cho t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng \u0111\u00e3 k\u00edch th\u00edch s\u1ef1 t\u0103ng tr\u01b0\u1edfng, t\u0103ng h\u00e0m l\u01b0\u1ee3ng c\u00e1c axit amin thi\u1ebft y\u1ebfu, l\u00e0m gi\u1ea3m h\u1ec7 s\u1ed1 th\u1ee9c \u0103n (FCR), gi\u00fap chuy\u1ec3n h\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n carbohydrate th\u1ef1c v\u1eadt kh\u00f3 ti\u00eau h\u00f3a trong th\u1ee9c \u0103n. B\u00ean c\u1ea1nh \u0111\u00f3, s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c ch\u1ee7ng vi khu\u1ea9n c\u00f9ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00ean men t\u1ed1i \u01b0u \u0111\u00e3 l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng c\u1ee7a th\u1ee9c \u0103n. N\u1ed3ng \u0111\u1ed9 h\u1ed7n h\u1ee3p vi khu\u1ea9n t\u1ed1i \u01b0u cho qu\u00e1 tr\u00ecnh l\u00ean men th\u1ee9c \u0103n tr\u1ea1ng th\u00e1i r\u1eafn l\u00e0 1\u00d7108<\/sup> CFU\/g.<\/p>\n<\/div>\n

S\u01b0\u01a1ng Ph\u1ea1m<\/small><\/div>\n
\u0110\u0103ng ng\u00e0y: 28\/07\/2020<\/div>\n
Ngu\u1ed3n: tepbac.com<\/div>","protected":false},"excerpt":{"rendered":"

Th\u1ee9c \u0103n l\u00ean men b\u1eb1ng h\u1ed7n h\u1ee3p vi khu\u1ea9n k\u00edch th\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n, t\u0103ng kh\u1ea3 n\u0103ng mi\u1ec5n d\u1ecbch c\u1ee7a t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng. S\u1eed d\u1ee5ng th\u1ee9c \u0103n l\u00ean men…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[181],"tags":[],"class_list":["post-12204","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/posts\/12204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/comments?post=12204"}],"version-history":[{"count":0,"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/posts\/12204\/revisions"}],"wp:attachment":[{"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/media?parent=12204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/categories?post=12204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tanhuuqui.com\/ja\/wp-json\/wp\/v2\/tags?post=12204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}