{"id":34178,"date":"2024-06-19T08:27:57","date_gmt":"2024-06-19T01:27:57","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=34178"},"modified":"2024-11-01T14:03:34","modified_gmt":"2024-11-01T07:03:34","slug":"tcvn-138752023-giup-danh-gia-su-an-toan-kiem-soat-vi-khuan-e-coli-va-coliform-trong-chuoi-thuc-pham","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/tcvn-138752023-giup-danh-gia-su-an-toan-kiem-soat-vi-khuan-e-coli-va-coliform-trong-chuoi-thuc-pham\/","title":{"rendered":"TCVN 13875:2023 gi\u00fap \u0111\u00e1nh gi\u00e1 s\u1ef1 an to\u00e0n, ki\u1ec3m so\u00e1t vi khu\u1ea9n E.coli v\u00e0 Coliform trong chu\u1ed7i th\u1ef1c ph\u1ea9m"},"content":{"rendered":"\n

Trong th\u1ef1c ph\u1ea9m \u0103n h\u00e0ng ng\u00e0y lu\u00f4n ti\u1ec1m \u1ea9n nh\u1eefng vi sinh v\u1eadt c\u00f3 h\u1ea1i g\u00e2y ng\u1ed9 \u0111\u1ed9c, \u0111\u1eb7c bi\u1ec7t l\u00e0 2 ch\u1ee7ng E.coli v\u00e0 coliform. Do \u0111\u00f3 vi\u1ec7c ban h\u00e0nh TCVN 13875:2023 gi\u00fap \u0111\u00e1nh gi\u00e1 s\u1ef1 an to\u00e0n, ki\u1ec3m so\u00e1t vi khu\u1ea9n E.coli v\u00e0 Coliform trong chu\u1ed7i th\u1ef1c ph\u1ea9m.<\/p>\n\n\n\n

Vi sinh v\u1eadt c\u00f3 th\u1ec3 c\u00f3 \u00edch ho\u1eb7c c\u00f3 h\u1ea1i cho con ng\u01b0\u1eddi, vi\u1ec7c x\u00e1c \u0111\u1ecbnh vai tr\u00f2 v\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u00fang trong th\u1ef1c ph\u1ea9m s\u1eed d\u1ee5ng h\u1eb1ng ng\u00e0y l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. \u0110\u1ebfn nay th\u1ebf gi\u1edbi ghi nh\u1eadn 250 lo\u1ea1i b\u1ec7nh th\u1ef1c ph\u1ea9m h\u1ea7u h\u1ebft l\u00e0 do vi tr\u00f9ng, virus, hay k\u00fd sinh tr\u00f9ng\u2026<\/p>\n\n\n\n

C\u00e1c b\u1ec7nh do th\u1ef1c ph\u1ea9m b\u1ecb nhi\u1ec5m khu\u1ea9n v\u00e0 nhi\u1ec5m \u0111\u1ed9c l\u00e0 g\u00e1nh n\u1eb7ng v\u1ec1 kinh t\u1ebf x\u00e3 h\u1ed9i t\u1ea1i nhi\u1ec1u qu\u1ed1c gia v\u00e0 c\u1ea3 h\u1ec7 th\u1ed1ng y t\u1ebf t\u1ea1i m\u1ed7i n\u01b0\u1edbc.\u00a0\u0110\u1ea7u ti\u00ean, x\u00e9t \u0111\u1ebfn c\u00e1c nguy\u00ean nh\u00e2n g\u00e2y ng\u1ed9 \u0111\u1ed9c th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 l\u00e0 do ch\u00ednh b\u1ea3n th\u00e2n nguy\u00ean li\u1ec7u \u0111\u1ea7u \u0111\u00e3 b\u1ecb nhi\u1ec5m vi sinh v\u1eadt t\u1eeb \u0111\u1ea5t, n\u01b0\u1edbc, kh\u00f4ng kh\u00ed, d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ho\u1eb7c trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n. Ho\u1eb7c qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o thi\u1ebfu v\u1ec7 sinh, v\u1ec7 sinh c\u00e1 nh\u00e2n c\u1ee7a c\u00f4ng nh\u00e2n kh\u00f4ng \u0111\u1ea3m b\u1ea3o. Ho\u1eb7c qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn kh\u00f4ng k\u1ef9, \u0103n th\u1ee9c \u0103n s\u1ed1ng c\u0169ng b\u1ecb nhi\u1ec5m vi sinh v\u1eadt, g\u00e2y ng\u1ed9 \u0111\u1ed9c.<\/p>\n\n\n\n

\"\"<\/p>\n\n\n\n

Vi sinh v\u1eadt ti\u1ec1m \u1ea9n trong th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 g\u00e2y ng\u1ed9 \u0111\u1ed9c cho con ng\u01b0\u1eddi.<\/p>\n\n\n\n

C\u0169ng c\u00f3 th\u1ec3 do b\u1ea3o qu\u1ea3n th\u00e0nh ph\u1ea9m th\u1ef1c ph\u1ea9m kh\u00f4ng b\u1ea3o \u0111\u1ea3m v\u1ec7 sinh l\u00e0m l\u00e2y nhi\u1ec5m vi sinh g\u00e2y b\u1ec7nh. Trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n, c\u1ea5t gi\u1eef th\u1ef1c ph\u1ea9m, n\u1ebfu kh\u00f4ng \u0111\u1ea3m b\u1ea3o quy tr\u00ecnh v\u1ec7 sinh, ch\u1ea5t dinh d\u01b0\u1ee1ng trong th\u1ef1c ph\u1ea9m s\u1ebd b\u1ecb c\u00e1c vi sinh v\u1eadt, men ph\u00e2n gi\u1ea3i l\u00e0m cho th\u1ee9c \u0103n b\u1ecb bi\u1ebfn ch\u1ea5t, ch\u1ee9a ch\u1ea5t g\u00e2y ng\u1ed9 \u0111\u1ed9c. Trong s\u1ed1 \u0111\u00f3 ph\u1ea3i k\u1ec3 t\u1edbi hai vi khu\u1ea9n ph\u1ed5 bi\u1ebfn hay g\u00e2y ra nh\u1eefng v\u1ee5 ng\u1ed9 \u0111\u1ed9c cho con ng\u01b0\u1eddi ch\u00ednh l\u00e0 vi khu\u1ea9n Escherichia coli v\u00e0 Coliform. <\/p>\n\n\n\n

Do \u0111\u00f3, \u0111\u1ec3 chu\u1ed7i th\u1ef1c ph\u1ea9m \u0111\u1ea3m b\u1ea3o an to\u00e0n h\u01a1n, ng\u00e0y 13\/11\/2023, B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 \u0111\u00e3 c\u00f3 Quy\u1ebft \u0111\u1ecbnh s\u1ed1 2567\/Q\u0110-BKHCN ban h\u00e0nh Ti\u00eau chu\u1ea9n qu\u1ed1c gia TCVN 13875:2023, Vi sinh v\u1eadt trong chu\u1ed7i th\u1ef1c ph\u1ea9m – \u0110\u1ecbnh l\u01b0\u1ee3ng nhanh Escherichia coli v\u00e0 Coliform b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng \u0111\u0129a Compact Dry EC. <\/p>\n\n\n\n

Theo \u0111\u00f3, \u0111\u0129a Compact Dry EC g\u1ed3m h\u1ed7n h\u1ee3p c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng (pepton, kali nitrat, natri clorua v\u00e0 natri pyruvat), \u0111\u1ec7m phosphat, c\u00e1c ch\u1ea5t ch\u1ecdn l\u1ecdc \u0111\u1ed1i v\u1edbi vi khu\u1ea9n Gram d\u01b0\u01a1ng, ch\u1ea5t t\u1ea1o gel (polysaccharid c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb th\u1ea1ch), hai c\u01a1 ch\u1ea5t enzym t\u1ea1o m\u00e0u l\u00e0 5-bromo-6-chloro-3-indoxyl-beta-D galactopyranoside (Magenta-GAL) v\u00e0 mu\u1ed1i cyclohexylamoni c\u1ee7a axit 5-bromo-4-chloro-3-indoxyl-beta-D-glucuronic (X-Gluc). K\u00edch th\u01b0\u1edbc \u0111\u0129a l\u00e0 20 cm2, m\u1eb7t sau c\u1ee7a \u0111\u0129a c\u00f3 l\u01b0\u1edbi \u00f4 vu\u00f4ng 1 cm \u00d7 1 cm v\u00e0 0,5 cm \u00d7 0,5 cm \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c \u0111\u1ebfm khu\u1ea9n l\u1ea1c Coliform. Trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n \u0111\u0129a \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 1 \u00baC \u0111\u1ebfn 30 \u00baC.<\/p>\n\n\n\n

Ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng \u0111\u0129a Compact Dry EC \u0111\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng nhanh Escherichia coli (ngo\u1ea1i tr\u1eeb ch\u1ee7ng E. coli O157) v\u00e0 t\u1ed5ng s\u1ed1 Coliform trong th\u1ef1c ph\u1ea9m. Trong \u0111\u00f3 E. coli l\u00e0 vi khu\u1ea9n \u1edf nhi\u1ec7t \u0111\u1ed9 37 \u00baC h\u00ecnh th\u00e0nh c\u00e1c khu\u1ea9n l\u1ea1c \u0111i\u1ec3n h\u00ecnh c\u00f3 m\u00e0u xanh lam ho\u1eb7c xanh t\u00edm tr\u00ean m\u00f4i tr\u01b0\u1eddng v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n n\u00e0y. <\/p>\n\n\n\n

V\u1ec1 Coliform th\u00ec c\u1ee5m sinh kh\u1ed1i vi sinh v\u1eadt t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y, ph\u00e1t tri\u1ec3n tr\u00ean ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng dinh d\u01b0\u1ee1ng \u0111\u1eb7c t\u1eeb m\u1ed9t ph\u1ea7n t\u1eed s\u1ed1ng.<\/p>\n\n\n\n

V\u1ec1 nguy\u00ean t\u1eafc s\u1eed d\u1ee5ng \u0111\u0129a m\u00f4i tr\u01b0\u1eddng chu\u1ea9n b\u1ecb s\u1eb5n bao g\u1ed3m m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y, ch\u1ea5t t\u1ea1o gel v\u00e0 hai c\u01a1 ch\u1ea5t enzym t\u1ea1o m\u00e0u. \u0110\u0129a ch\u1ee9a m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m \u1ea9m b\u1eb1ng ph\u1ea7n m\u1eabu th\u1eed \u0111\u00e3 chu\u1ea9n b\u1ecb, sau \u0111\u00f3 ch\u1ea5t t\u1ea1o gel s\u1ebd l\u00e0m m\u00f4i tr\u01b0\u1eddng h\u00f3a r\u1eafn. \u1ee6 m\u00f4i tr\u01b0\u1eddng ch\u1ee9a ph\u1ea7n m\u1eabu th\u1eed \u1edf nhi\u1ec7t \u0111\u1ed9 37 \u00baC \u00b1 1 \u00baC trong th\u1eddi gian 24 h \u00b1 2 h. E. coli h\u00ecnh th\u00e0nh c\u00e1c khu\u1ea9n l\u1ea1c m\u00e0u xanh lam ho\u1eb7c xanh t\u00edm v\u00e0 vi khu\u1ea9n coliform kh\u00e1c v\u1edbi E. coli h\u00ecnh th\u00e0nh c\u00e1c khu\u1ea9n l\u1ea1c m\u00e0u \u0111\u1ecf ho\u1eb7c h\u1ed3ng.<\/p>\n\n\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m nghi\u1ec7m vi sinh v\u1eadt trong th\u1ef1c ph\u1ea9m<\/strong>C\u00e0ng ng\u00e0y ng\u1ed9 \u0111\u1ed9c th\u1ef1c ph\u1ea9m, b\u1ec7nh truy\u1ec1n qua th\u1ef1c ph\u1ea9m c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, vi\u1ec7c ph\u00f2ng ng\u1eeba v\u00e0 x\u1eed l\u00fd ng\u00e0y c\u00e0ng kh\u00f3 kh\u0103n v\u00e0 tr\u1edf th\u00e0nh th\u00e1ch th\u1ee9c l\u1edbn. Ph\u00e2n t\u00edch vi sinh v\u1eadt gi\u00fap \u0111\u00e1nh gi\u00e1 s\u1ef1 an to\u00e0n, ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m th\u1ef1c ph\u1ea9m \u0111\u1ec3 ph\u00f2ng ng\u1eeba ng\u1ed9 \u0111\u1ed9c th\u1ef1c ph\u1ea9m v\u00e0 b\u1ec7nh truy\u1ec1n qua th\u1ef1c ph\u1ea9m.\u0110\u1ec3 l\u1ef1a ch\u1ecdn ch\u1ec9 ti\u00eau ki\u1ec3m nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 ch\u1ec9 ti\u00eau ph\u00e2n t\u00edch, B\u1ed9 Y t\u1ebf Vi\u1ec7t Nam quy \u0111\u1ecbnh r\u00f5 gi\u1edbi h\u1ea1n vi sinh v\u1eadt trong th\u1ef1c ph\u1ea9m theo quy\u1ebft \u0111\u1ecbnh s\u1ed1 46\/2007\/Q\u0110-BYT.Theo ph\u00e1p lu\u1eadt ch\u00e2u \u00c2u, quy chu\u1ea9n EC 2073\/2005 c\u1ee7a EU \u0111\u01b0a ra c\u00e1c ti\u00eau ch\u00ed an to\u00e0n cho th\u1ef1c ph\u1ea9m \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 vi khu\u1ea9n trong th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c \u0111\u1ed9c t\u1ed1. T\u1ea1i th\u1ecb tr\u01b0\u1eddng M\u1ef9 c\u0169ng \u0111\u01b0a ra nh\u1eefng quy chu\u1ea9n ri\u00eang cho c\u00e1c vi sinh v\u1eadt trong th\u1ef1c ph\u1ea9m theo chu\u1ea9n USDA FSIS, FDA…Do \u0111\u00f3, vi\u1ec7c ki\u1ec3m nghi\u1ec7m vi sinh th\u1ef1c ph\u1ea9m \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u1ea7m b\u1ec7nh truy\u1ec1n qua th\u1ef1c ph\u1ea9m v\u00e0 vi sinh v\u1eadt h\u01b0 h\u1ecfng g\u00f3p ph\u1ea7n \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u1ec7 sinh th\u1ef1c ph\u1ea9m. C\u00e1c vi khu\u1ea9n ch\u1ee9c n\u0103ng (v\u00ed d\u1ee5 nh\u01b0 probiotic) c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c theo d\u00f5i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 trong s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

An D\u01b0\u01a1ng<\/strong><\/p>\n\n\n\n

https:\/\/vietq.vn\/tcvn-138752023-vi-sinh-vat-trong-chuoi-thuc-pham-d218828.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Trong th\u1ef1c ph\u1ea9m \u0103n h\u00e0ng ng\u00e0y lu\u00f4n ti\u1ec1m \u1ea9n nh\u1eefng vi sinh v\u1eadt c\u00f3 h\u1ea1i g\u00e2y ng\u1ed9 \u0111\u1ed9c, \u0111\u1eb7c bi\u1ec7t l\u00e0 2 ch\u1ee7ng E.coli v\u00e0 coliform. Do \u0111\u00f3 vi\u1ec7c ban h\u00e0nh TCVN 13875:2023 gi\u00fap \u0111\u00e1nh gi\u00e1 s\u1ef1 an to\u00e0n, ki\u1ec3m so\u00e1t vi khu\u1ea9n E.coli v\u00e0 Coliform trong chu\u1ed7i th\u1ef1c ph\u1ea9m. Vi sinh v\u1eadt c\u00f3 th\u1ec3 […]<\/p>\n","protected":false},"author":26,"featured_media":34179,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-34178","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/34178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=34178"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/34178\/revisions"}],"predecessor-version":[{"id":34180,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/34178\/revisions\/34180"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/34179"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=34178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=34178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=34178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}