{"id":6121,"date":"2017-09-11T19:39:40","date_gmt":"2017-09-11T12:39:40","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=6121"},"modified":"2017-10-03T09:13:02","modified_gmt":"2017-10-03T02:13:02","slug":"mang-nhua-bien-doi-ngan-ngua-o-nhiem-trong-cong-nghiep-thuc-pham-va-y-sinh-hoc","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mang-nhua-bien-doi-ngan-ngua-o-nhiem-trong-cong-nghiep-thuc-pham-va-y-sinh-hoc\/","title":{"rendered":"M\u00e0ng nh\u1ef1a bi\u1ebfn \u0111\u1ed5i ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m v\u00e0 y sinh h\u1ecdc"},"content":{"rendered":"

Theo m\u1ed9t nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 g\u1ea7n \u0111\u00e2y, c\u00e1c m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t v\u00e0 t\u00edch h\u1ee3p v\u1edbi “N-halamines”, c\u00e1c nh\u00f3m h\u00f3a ch\u1ea5t \u0111\u1eb7c bi\u1ec7t, tr\u00ean n\u1ec1n nh\u1ef1a polyme c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m vi khu\u1ea9n trong ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 y sinh h\u1ecdc.<\/strong><\/p>\n

\"\"<\/p>\n

C\u00e1c m\u00e0ng nh\u1ef1a gi\u1ebft ch\u1ebft vi khu\u1ea9n tr\u00ean m\u00e0ng sinh h\u1ecdc, v\u00e0 ng\u0103n ng\u1eeba vi khu\u1ea9n h\u00ecnh th\u00e0nh \u1edf m\u00e0ng sinh h\u1ecdc ngay t\u1eeb \u0111\u1ea7u.<\/p>\n

Phim sinh h\u1ecdc l\u00e0 n\u01a1i t\u1ee5 t\u1eadp c\u00e1c vi khu\u1ea9n l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng kh\u00e1ng c\u1ee7a vi khu\u1ea9n \u0111\u1ed1i v\u1edbi thu\u1ed1c t\u1ea9y u\u1ebf c\u0169ng nh\u01b0 c\u00e1c ch\u1ea5t kh\u1eed tr\u00f9ng. Theo b\u00e1o c\u00e1o c\u1ee7a chuy\u00ean gia, “m\u00e0ng sinh h\u1ecdc l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y nhi\u1ec5m ch\u00e9o gi\u1eefa th\u1ef1c ph\u1ea9m v\u00e0 phi th\u1ef1c ph\u1ea9m khi ti\u1ebfp x\u00facb\u1ec1 m\u1eb7t b\u1ecb \u00f4 nhi\u1ec5m\u201d.<\/p>\n

GS Nitin Nitin, \u0110\u1ea1i h\u1ecdc California, cho bi\u1ebft: Ch\u00fang t\u00f4i \u0111\u00e3 th\u1eed nghi\u1ec7m c\u00e1c m\u00e0ng nh\u1ef1a bi\u1ebfn \u0111\u1ed5i n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng hai m\u1ea7m b\u1ec7nh th\u1ef1c ph\u1ea9m c\u00f3 ch\u1ee9a Escherichia coli v\u00e0 Listeria. C\u00e1c th\u00ed nghi\u1ec7m \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 vi\u1ec7c ph\u00f2ng ng\u1eeba h\u00ecnh th\u00e0nh m\u00e0ng sinh h\u1ecdc, c\u0169ng nh\u01b0 ng\u0103n ng\u1eeba tr\u01b0\u1edbc c\u00e1c m\u00e0ng sinh h\u1ecdc h\u00ecnh th\u00e0nh.<\/p>\n

N-halamines g\u1ed3m m\u1ed9t nguy\u00ean t\u1eed nit\u01a1 v\u00e0 m\u1ed9t clo, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u00eam c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c. T\u00f9y thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c, N-halamines c\u00f3 th\u1ec3 gi\u1ebft ch\u1ebft vi khu\u1ea9n khi ti\u1ebfp x\u00fac, ho\u1eb7c b\u1eb1ng c\u00e1ch ph\u00f3ng ra clo \u0111\u1ec3 di\u1ec7t vi khu\u1ea9n. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau, r\u1eeda c\u00e1c m\u00e0ng nh\u1ef1a trong thu\u1ed1c t\u1ea9y c\u00f3 th\u1ec3 h\u1ed3i l\u1ea1i N-halamines b\u1eb1ng clo, nh\u01b0 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong nghi\u00ean c\u1ee9u.<\/p>\n

GS Nitin cho bi\u1ebft: Nhi\u1ec1u b\u1ec7nh b\u00f9ng ph\u00e1t t\u1eeb th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n t\u1eeb s\u1ef1 nhi\u1ec5m b\u1ea9n ch\u00e9o gi\u1eefa th\u1ef1c ph\u1ea9m v\u1edbi vi khu\u1ea9n g\u00e2y b\u1ec7nh. Hi\u1ec7n t\u1ea1i, ch\u00fang ta kh\u00f4ng c\u00f3 c\u00e1ch ti\u1ebfp c\u1eadn t\u00edch c\u1ef1c \u0111\u1ec3 li\u00ean t\u1ee5c ng\u0103n ng\u1eeba s\u1ef1 l\u1eafng \u0111\u1ecdng vi khu\u1ea9n trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t n\u00e0y sau khi ch\u1ebf bi\u1ebfn – trong qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch. Nh\u1eefng r\u1ee7i ro t\u01b0\u01a1ng t\u1ef1 v\u1eabn c\u00f2n t\u1ed3n t\u1ea1i trong m\u00f4i tr\u01b0\u1eddng b\u1ec7nh vi\u1ec7n.
\nC\u00e1c ch\u1ea5t kh\u1eed tr\u00f9ng th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m, b\u1edfi v\u00ec vi\u1ec7c ti\u1ebfp c\u1eadn c\u00e1c khu v\u1ef1c c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb nhi\u1ec5m b\u1ea9n r\u1ea5t h\u1ea1n ch\u1ebf.<\/p>\n

GS Nitin l\u01b0u \u00fd r\u1eb1ng, c\u00e1c m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u n\u00e0y r\u1ea5t \u0111a n\u0103ng, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00fac ho\u1eb7c m\u00f4 ph\u1ecfng th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng kh\u00e1c nhau “nh\u01b0 b\u0103ng truy\u1ec1n, qu\u1ea3 c\u1ea7u t\u1ef1 v\u1ec7 sinh, th\u00f9ng nh\u1ef1a \u0111\u1ec3 v\u1eadn chuy\u1ec3n th\u1ef1c ph\u1ea9m, ho\u1eb7c mi\u1ebfng nh\u1ef1a cho d\u1ee5ng c\u1ee5 y sinh h\u1ecdc. H\u01a1n n\u1eefa, c\u00e1c m\u00e0ng nh\u1ef1a n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c g\u1eafn th\u00eam v\u00e0o c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3 nh\u01b0 m\u1ed9t mi\u1ebfng l\u00f3t\u201d.<\/p>\n

Ngu\u1ed3n Vista<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Theo m\u1ed9t nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 g\u1ea7n \u0111\u00e2y, c\u00e1c m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t v\u00e0 t\u00edch h\u1ee3p v\u1edbi “N-halamines”, c\u00e1c nh\u00f3m h\u00f3a ch\u1ea5t \u0111\u1eb7c bi\u1ec7t, tr\u00ean n\u1ec1n nh\u1ef1a polyme c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m vi khu\u1ea9n trong ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 y sinh h\u1ecdc. C\u00e1c m\u00e0ng nh\u1ef1a gi\u1ebft ch\u1ebft vi khu\u1ea9n […]<\/p>\n","protected":false},"author":17,"featured_media":6303,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-6121","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\/6121","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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=6121"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6121\/revisions"}],"predecessor-version":[{"id":6304,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6121\/revisions\/6304"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6303"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=6121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=6121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=6121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}