{"id":1320,"date":"2018-05-16T09:42:56","date_gmt":"2018-05-16T02:42:56","guid":{"rendered":"http:\/\/vinatom.gov.vn\/?p=1320"},"modified":"2023-11-28T08:31:17","modified_gmt":"2023-11-28T01:31:17","slug":"nghien-cuu-chieu-xa-polyme-lam-che-pham-co-hoat-tinh-sinh-hoc-dung-trong-nong-nghiep","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/nghien-cuu-chieu-xa-polyme-lam-che-pham-co-hoat-tinh-sinh-hoc-dung-trong-nong-nghiep\/","title":{"rendered":"Nghi\u00ean c\u1ee9u chi\u1ebfu x\u1ea1 polyme l\u00e0m ch\u1ebf ph\u1ea9m c\u00f3 ho\u1ea1t t\u00ednh sinh h\u1ecdc d\u00f9ng trong n\u00f4ng nghi\u1ec7p"},"content":{"rendered":"

C\u00f9ng v\u1edbi c\u00e1c nghi\u00ean c\u1ee9u \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 b\u1ee9c x\u1ea1 trong chi\u1ebfu x\u1ea1 th\u1ef1c ph\u1ea9m v\u00e0 kh\u1eed tr\u00f9ng y t\u1ebf, x\u1eed l\u00fd chi\u1ebfu x\u1ea1 bi\u1ebfn \u0111\u1ed5i \u0111\u1eb7c t\u00ednh polyme t\u1ea1o c\u00e1c v\u1eadt li\u1ec7u, s\u1ea3n ph\u1ea9m c\u00f3 ho\u1ea1t t\u00ednh sinh h\u1ecdc cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb cu\u1ed1i th\u1eadp ni\u00ean 1980. Trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng nhi\u1ec1u lo\u1ea1i polyme t\u1ef1 nhi\u00ean c\u00f3 ho\u1ea1t t\u00ednh sinh h\u1ecdc \u0111\u1eb7c bi\u1ec7t, c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng nh\u01b0 t\u00e1c nh\u00e2n k\u00edch th\u00edch, \u0111i\u1ec1u h\u00f2a sinh tr\u01b0\u1edfng, hay c\u00e1c ch\u1ebf ph\u1ea9m b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt, v\u00e0 ho\u1ea1t t\u00ednh sinh h\u1ecdc c\u1ee7a ch\u00fang gia t\u0103ng b\u1edfi chi\u1ebfu x\u1ea1 c\u1eaft m\u1ea1ch. \u1ede Vi\u1ec7t Nam, nghi\u00ean c\u1ee9u chi\u1ebfu x\u1ea1 c\u1eaft m\u1ea1ch polysaccharide t\u1ea1o c\u00e1c ch\u1ebf ph\u1ea9m c\u00f3 ho\u1ea1t t\u00ednh sinh h\u1ecdc d\u00f9ng trong n\u00f4ng nghi\u1ec7p b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c quan t\u00e2m nghi\u00ean c\u1ee9u t\u1eeb nh\u1eefng n\u0103m 2000, sau khi Ch\u01b0\u01a1ng tr\u00ecnh h\u1ee3p t\u00e1c song ph\u01b0\u01a1ng gi\u1eefa Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed Vi\u1ec7t nam (VINATOM) v\u00e0 Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed Nh\u1eadt B\u1ea3n (JAEA) v\u1ec1 \u201cX\u1eed l\u00fd chi\u1ebfu x\u1ea1 polysaccharide bi\u1ec3n\u201d \u0111\u01b0\u1ee3c k\u00fd k\u1ebft. M\u1eb7c d\u00f9 v\u1eady, th\u1eddi gian qua, h\u01b0\u1edbng nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 thu \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 kh\u1ea3 quan, g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 b\u1ee9c x\u1ea1 cho m\u1ee5c ti\u00eau ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng.<\/p>\n

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H\u00ecnh 1. Nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng chitosan v\u00e0 chitosan chi\u1ebfu x\u1ea1 l\u00e0m m\u00e0ng b\u1ecdc kh\u00e1ng khu\u1ea9n b\u1ea3o qu\u1ea3n hoa qu\u1ea3 t\u01b0\u01a1i<\/em><\/p>\n

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Nghi\u00ean c\u1ee9u v\u1ec1 chi\u1ebfu x\u1ea1 chitosan v\u00e0 d\u1eabn xu\u1ea5t, nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a TS. Nguy\u1ec5n Duy L\u00e2m v\u00e0 CS \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng, hi\u1ec7u \u1ee9ng ph\u00e2n h\u1ee7y b\u1ee9c x\u1ea1 gi\u00fap l\u00e0m t\u0103ng ho\u1ea1t t\u00ednh kh\u00e1ng khu\u1ea9n, kh\u00e1ng n\u1ea5m c\u1ee7a chitosan. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 do c\u00e1c ph\u00e2n \u0111o\u1ea1n ch\u1ec9tosan c\u1eaft m\u1ea1ch c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n d\u1ec5 d\u00e0ng li\u00ean k\u1ebft v\u1edbi m\u00e0ng t\u1ebf b\u00e0o vi sinh v\u1eadt v\u00e0 \u1ee9c ch\u1ebf s\u1ef1 sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n c\u1ee7a ch\u00fang. K\u1ebft qu\u1ea3 \u0111\u00e3 t\u1ea1o \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 ch\u1ebf ph\u1ea9m t\u1ea1o m\u00e0ng b\u1ecdc b\u1ea3o qu\u1ea3n hoa qu\u1ea3 t\u01b0\u01a1i v\u00e0 h\u1ea1t gi\u1ed1ng. C\u00e1c nghi\u00ean c\u1ee9u t\u1ea1i Trung t\u00e2m Chi\u1ebfu x\u1ea1 H\u00e0 N\u1ed9i sau \u0111\u00f3 cho th\u1ea5y m\u1eb7c d\u00f9 chi\u1ebfu x\u1ea1 \u0111\u00e3 l\u00e0m gi\u1ea3m k\u00edch th\u01b0\u1edbc ph\u00e2n t\u1eed v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a dung d\u1ecbch polyme, song \u0111\u1ed9 nh\u1edbt c\u1ee7a chitosan chi\u1ebfu x\u1ea1 v\u1eabn cao v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u01b0 ch\u1ea5t k\u1ebft d\u00ednh an to\u00e0n trong s\u1ea3n xu\u1ea5t th\u1ee9c \u0103n nu\u00f4i t\u00f4m<\/p>\n

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H\u00ecnh 2. Ch\u1ebf ph\u1ea9m h\u1ed7 tr\u1ee3 hi\u1ec7u qu\u1ea3 ph\u00e2n b\u00f3n l\u00e1 ngu\u1ed3n g\u1ed1c xanthan chi\u1ebfu x\u1ea1<\/em><\/p>\n

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T\u1eeb n\u0103m 2015, v\u1edbi ch\u1ec9 \u0111\u1ea1o c\u1ee7a Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed trong vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c nh\u00f3m nghi\u00ean c\u1ee9u m\u1ea1nh v\u1ec1 \u201c\u1ee8ng d\u1ee5ng c\u00f4ng ngh\u1ec7 b\u1ee9c x\u1ea1 trong l\u0129nh v\u1ef1c Sinh h\u1ecdc v\u00e0 N\u00f4ng nghi\u1ec7p\u201d, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i Trung t\u00e2m Chi\u1ebfu x\u1ea1 H\u00e0 N\u1ed9i \u0111\u00e3 ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c Vi\u1ec7n Nghi\u00ean c\u1ee9u trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc \u0111\u1ec3 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 b\u1ee9c x\u1ea1 trong ch\u1ebf t\u1ea1o ch\u1ebf ph\u1ea9m c\u00f3 ho\u1ea1t t\u00ednh sinh h\u1ecdc. Nghi\u00ean c\u1ee9u chi\u1ebfu x\u1ea1 xanthan, m\u1ed9t polysaccharide t\u1ef1 nhi\u00ean \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, Nguy\u1ec5n V\u0103n B\u00ednh v\u00e0 CS cho th\u1ea5y xanthan c\u1eaft m\u1ea1ch c\u00f3 th\u1ec3 d\u00f9ng nh\u01b0 t\u00e1c nh\u00e2n h\u1ed7 tr\u1ee3 gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 ph\u00e2n b\u00f3n l\u00e1. Kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh v\u00e0 t\u01b0\u01a1ng h\u1ee3p t\u1ed1t c\u1ee7a xanthan gi\u00fap cho n\u00f3 kh\u00f4ng b\u1ecb r\u1eeda tr\u00f4i nhanh sau khi phun tr\u00ean l\u00e1, nh\u1edd \u0111\u00f3 k\u00e9o d\u00e0i th\u1eddi gian ti\u1ebfp x\u00fac c\u1ee7a c\u00e1c h\u00f3a ch\u1ea5t n\u00f4ng nghi\u1ec7p v\u1edbi th\u00e2n, l\u00e1 v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 h\u1ea5p th\u1ee5 ph\u00e2n b\u00f3n c\u1ee7a c\u00e2y tr\u1ed3ng. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t kho\u1ea3ng 1000 l\u00edt ch\u1ebf ph\u1ea9m cung c\u1ea5p cho c\u00f4ng ty c\u1ed5 ph\u1ea7n th\u01b0\u01a1ng m\u1ea1i Th\u00e1i D\u01b0\u01a1ng, Ho\u00e0ng Mai, H\u00e0 N\u1ed9i.<\/p>\n

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B\u00ean c\u1ea1nh vi\u1ec7c t\u1eadp trung nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng chitosan, xanthan c\u1eaft m\u1ea1ch b\u1ee9c x\u1ea1, chi\u1ebfu x\u1ea1 ph\u00e2n h\u1ee7y m\u1ed9t s\u1ed1 polyme kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m t\u00e1c nh\u00e2n k\u00edch kh\u00e1ng b\u1ec7nh th\u1ef1c v\u1eadt. Tr\u00ean c\u01a1 s\u1edf c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ea1t \u0111\u01b0\u1ee3c, Trung t\u00e2m Chi\u1ebfu x\u1ea1 \u0111ang ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m ph\u00e2n b\u00f3n l\u00e1 m\u1edbi s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 ph\u00e2n \u0111o\u1ea1n polysaccharide c\u1eaft m\u1ea1ch b\u1ee9c x\u1ea1 \u0111\u1ec3 t\u1ea1o ra c\u00e1c hi\u1ec7u \u1ee9ng sinh h\u1ecdc cho c\u00e2y nh\u1eb1m h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng c\u00e1c h\u00f3a ch\u1ea5t n\u00f4ng nghi\u1ec7p nh\u01b0 ph\u00e2n b\u00f3n h\u00f3a h\u1ecdc v\u00e0 thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m n\u00f4ng nghi\u1ec7p. K\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t b\u01b0\u1edbc \u0111\u1ea7u \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i rau tr\u1ed3ng trong nh\u00e0 l\u01b0\u1edbi ch\u1ec9 ra r\u1eb1ng, ph\u00e2n b\u00f3n l\u00e1 th\u00e2n thi\u1ec7n n\u00e0y gi\u00fap gi\u1ea3m \u0111\u01b0\u1ee3c tr\u00ean 10% ph\u00e2n b\u00f3n v\u00f4 c\u01a1 v\u00e0 c\u00f3 th\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu\u00a0d\u1ecbch b\u1ec7nh c\u1ee7a c\u00e2y tr\u1ed3ng.<\/p>\n

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H\u00ecnh 3. Kh\u1ea3o nghi\u1ec7m di\u1ec7n h\u1eb9p \u0111\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng ph\u00e2n b\u00f3n l\u00e1 m\u1edbi\u00a0<\/em>\u0111\u1ed1i v\u1edbi c\u00e2y rau t\u1ea1i Trung t\u00e2m Chi\u1ebfu x\u1ea1 H\u00e0 N\u1ed9i<\/em><\/p>\n

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V\u1edbi \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u00fang \u0111\u1eafn v\u00e0 s\u1ef1 khuy\u1ebfn kh\u00edch c\u1ee7a l\u00e3nh \u0111\u1ea1o Trung t\u00e2m Chi\u1ebfu x\u1ea1 H\u00e0 N\u1ed9i, Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed Vi\u1ec7t Nam, c\u0169ng nh\u01b0 s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 cho \u0111\u1ec1 t\u00e0i \u0111\u1ed9c l\u1eadp c\u1ea5p qu\u1ed1c gia b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n t\u1eeb n\u0103m 2016, ch\u1eafc ch\u1eafn r\u1eb1ng s\u1ea3n ph\u1ea9m n\u00e0y s\u1ebd s\u1edbm \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n v\u00e0 kh\u1ea3o nghi\u1ec7m tr\u00ean quy m\u00f4 l\u1edbn cho m\u1ee5c ti\u00eau s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n th\u00e2n thi\u1ec7n m\u1edbi g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng \u1edf Vi\u1ec7t Nam trong th\u1eddi gian t\u1edbi.<\/p>\n

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Tr\u1ea7n Minh Qu\u1ef3nh – Trung t\u00e2m Chi\u1ebfu x\u1ea1 H\u00e0 N\u1ed9i<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f9ng v\u1edbi c\u00e1c nghi\u00ean c\u1ee9u \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 b\u1ee9c x\u1ea1 trong chi\u1ebfu x\u1ea1 th\u1ef1c ph\u1ea9m v\u00e0 kh\u1eed tr\u00f9ng y t\u1ebf, x\u1eed l\u00fd chi\u1ebfu x\u1ea1 bi\u1ebfn \u0111\u1ed5i \u0111\u1eb7c t\u00ednh polyme t\u1ea1o c\u00e1c v\u1eadt li\u1ec7u, s\u1ea3n ph\u1ea9m c\u00f3 ho\u1ea1t t\u00ednh sinh h\u1ecdc cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb cu\u1ed1i th\u1eadp ni\u00ean […]<\/p>\n","protected":false},"author":1,"featured_media":12778,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,10,11,26],"tags":[],"class_list":["post-1320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoat-dong-nghien-cuu-trien-khai","category-hoat-dong-nghien-cuu-dich-vu","category-san-pham","category-tin-tong-hop"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/1320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=1320"}],"version-history":[{"count":2,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/1320\/revisions"}],"predecessor-version":[{"id":12780,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/1320\/revisions\/12780"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media\/12778"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=1320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=1320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=1320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}