{"id":29472,"date":"2021-11-03T16:20:00","date_gmt":"2021-11-03T09:20:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=29472"},"modified":"2022-02-15T09:07:53","modified_gmt":"2022-02-15T02:07:53","slug":"phat-hien-nhanh-gao-va-ca-phe-bi-pha-tron-bang-phuong-phap-pho-hong-ngoai","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-hien-nhanh-gao-va-ca-phe-bi-pha-tron-bang-phuong-phap-pho-hong-ngoai\/","title":{"rendered":"Ph\u00e1t hi\u1ec7n nhanh g\u1ea1o v\u00e0 c\u00e0 ph\u00ea b\u1ecb pha tr\u1ed9n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 h\u1ed3ng ngo\u1ea1i"},"content":{"rendered":"\n<p>Ki\u1ec1u Anh<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p do PGS.TS L\u00ea Nguy\u1ec5n \u0110oan Duy, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u00f4ng nghi\u1ec7p Th\u1ef1c ph\u1ea9m TPHCM v\u00e0 TS Nguy\u1ec5n Qu\u1ed1c C\u01b0\u1eddng, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa TPHCM, nghi\u00ean c\u1ee9u cho ph\u00e9p ph\u00e1t hi\u1ec7n m\u1ed9t s\u1ed1 n\u00f4ng s\u1ea3n gi\u1ea3 m\u1ea1o ho\u1eb7c b\u1ecb tr\u1ed9n l\u1eabn m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng ph\u1ea3i d\u00f9ng \u0111\u1ebfn h\u00f3a ch\u1ea5t.T\u1ea1i H\u1ed9i th\u1ea3o \u201c\u1ee8ng d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 x\u00e1c th\u1ef1c nhanh ch\u1ea5t l\u01b0\u1ee3ng n\u00f4ng s\u1ea3n\u201d do Trung t\u00e2m Th\u00f4ng tin v\u00e0 Th\u1ed1ng k\u00ea KH&amp;CN TPHCM t\u1ed5 ch\u1ee9c ng\u00e0y 29\/10, PGS.TS L\u00ea Nguy\u1ec5n \u0110oan Duy cho bi\u1ebft, Vi\u1ec7t Nam c\u00f3 h\u01a1n 150 loai g\u1ea1o kh\u00e1c nhau v\u00e0 th\u1ef1c t\u1ebf hi\u1ec7n nay c\u00f3 m\u1ed9t s\u1ed1 doanh nghi\u1ec7p ph\u1ed1i tr\u1ed9n g\u1ea1o ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 g\u1ea1o ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p nh\u01b0 Jasmin 85 v\u00e0 \u0110\u00e0i Th\u01a1m ho\u1eb7c OM 6976 v\u1edbi IR50404, nh\u1eb1m gi\u1ea3m gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m.<br>B\u00ean c\u1ea1nh \u0111\u00f3, khi m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u g\u1ea1o n\u00e0o \u0111\u01b0\u1ee3c \u01b0a th\u00edch, c\u00e1c nh\u00e0 b\u00e1n l\u1ebb c\u0169ng s\u1ebd tr\u1ed9n ch\u00fang v\u1edbi lo\u1ea1i g\u1ea1o gi\u00e1 tr\u1ecb th\u1ea5p h\u01a1n \u0111\u1ec3 t\u0103ng l\u1ee3i nhu\u1eadn, \u0111i\u1ec1u \u0111\u00f3 l\u00e0m m\u1ea5t ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng v\u1edbi th\u01b0\u01a1ng hi\u1ec7u. V\u00ec v\u1eady, ng\u01b0\u1eddi ti\u00eau d\u00f9ng kh\u00f3 bi\u1ebft \u0111\u01b0\u1ee3c \u0111\u00e2u l\u00e0 g\u1ea1o ch\u1ea5t l\u01b0\u1ee3ng, c\u00f3 b\u1ecb ph\u1ed1i tr\u1ed9n hay kh\u00f4ng. Doanh nghi\u1ec7p l\u00e0m \u0103n ch\u00e2n ch\u00ednh th\u00ec lo l\u1eafng khi t\u1ea1o ra m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u g\u1ea1o n\u00e0o \u0111\u00f3, th\u01b0\u1eddng b\u1ecb l\u00e0m gi\u1ea3 r\u1ea5t nhanh. T\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e0 ph\u00ea, m\u1ed9t s\u1ed1 doanh nghi\u1ec7p, c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t c\u0169ng pha tr\u1ed9n c\u00e0 ph\u00ea nguy\u00ean ch\u1ea5t v\u1edbi m\u1ed9t s\u1ed1 ch\u1ea5t \u0111\u1ed9n kh\u00e1c nh\u01b0 b\u1eafp, \u0111\u1eadu n\u00e0nh \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m.<br><img decoding=\"async\" width=\"800\" alt=\"G\" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2021\/11\/02\/gao--giajpg1.jpg\">Kh\u00f3 ph\u00e2n bi\u1ec7t g\u1ea1o th\u1eadt, gi\u1ea3 hay b\u1ecb tr\u1ed9n l\u1eabn tr\u00ean th\u1ecb tr\u01b0\u1eddng \u1ea2nh: NNC<br>\u0110\u1ec3 b\u1ea3o ph\u00e1t hi\u1ec7n nhanh t\u00ecnh tr\u1ea1ng gi\u1ea3 m\u1ea1o hay ph\u1ed1i tr\u1ed9n nguy\u00ean li\u1ec7u, theo TS Duy, \u0111\u00e3 c\u00f3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc nh\u01b0 HPLC (s\u1eafc k\u00fd l\u1ecfng hi\u1ec7u n\u0103ng cao), GCMS (s\u1eafc k\u00fd kh\u00ed kh\u1ed1i ph\u1ed5). Tuy nhi\u00ean, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb \u0111\u1eaft ti\u1ec1n, ti\u00eau t\u1ed1n nhi\u1ec1u m\u1eabu, v\u00e0 y\u00eau c\u1ea7u nh\u00e2n l\u1ef1c tr\u00ecnh \u0111\u1ed9 cao v\u00e0 s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<br>Tr\u01b0\u1edbc th\u1ef1c t\u1ebf \u0111\u00f3, nh\u00f3m t\u00e1c gi\u1ea3 th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u ph\u01b0\u01a1ng ph\u00e1p m\u1edbi, \u0111\u00f3 l\u00e0 d\u00f9ng quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i. D\u1ef1a v\u00e0o c\u00e1c rung \u0111\u1ed9ng c\u1ee7a c\u00e1c ph\u00e2n t\u1eed trong th\u1ef1c ph\u1ea9m s\u1ebd t\u1ea1o th\u00e0nh c\u00e1c ph\u1ed5 \u0111\u1eb7c bi\u1ec7t, sau \u0111\u00f3 ph\u00e2n t\u00edch ph\u1ed5 b\u1eb1ng ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng, c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng m\u1eabu gi\u1ea3 m\u1ea1o.<br><img decoding=\"async\" width=\"800\" alt=\"C\" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2021\/11\/02\/ba4Ca-phe--giajpg1.jpg\">C\u00e0 ph\u00ea c\u0169ng th\u01b0\u1eddng b\u1ecb pha tr\u1ed9n v\u1edbi c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c \u1ea2nh: NNC<br>\u0110\u1ea7u ti\u00ean, nh\u00f3m t\u00e1c gi\u1ea3 t\u1ea1o c\u01a1 s\u1edf d\u1eef li\u1ec7u cho m\u1eabu chu\u1ea9n t\u1eeb 216 m\u1eabu g\u1ea1o thu th\u1eadp t\u1ea1i c\u00e1c t\u1ec9nh Long An, C\u1ea7n Th\u01a1, \u0110\u1ed3ng Th\u00e1p, Ki\u00ean Giang v\u00e0 S\u00f3c Tr\u0103ng. Trong \u0111\u00f3, s\u1eed d\u1ee5ng 5 lo\u1ea1i g\u1ea1o \u0111\u01b0\u1ee3c chia l\u00e0m 3 nh\u00f3m gi\u00e1 tr\u1ecb cao (\u0110\u00e0i Th\u01a1m 08, ST24), trung b\u00ecnh (M5451, OM6976), th\u1ea5p (IR50404) \u0111\u1ec3 ph\u1ed1i tr\u1ed9n. Thi\u1ebft b\u1ecb quang ph\u1ed5 c\u1eadn h\u1ed3ng ngo\u1ea1i (NIRS) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u l\u00e0 SCiO.<br>Nh\u00f3m thu th\u1eadp ph\u1ed5 h\u1ed3ng ngo\u1ea1i c\u1ee7a c\u00e1c m\u1eabu g\u1ea1o thu th\u1eadp \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u, v\u00e0 c\u00e1c m\u1eabu g\u1ea1o tr\u1ed9n gi\u00e1 tr\u1ecb cao v\u1edbi gi\u00e1 tr\u1ecb th\u1ea5p \u1edf c\u00e1c t\u1ef7 l\u1ec7 kh\u00e1c nhau. Sau \u0111\u00f3 nh\u00f3m ti\u1ec1n x\u1eed l\u00fd ph\u1ed5 b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p (hi\u1ec7u chu\u1ea9n ph\u00e2n t\u00e1n nhi\u1ec1u l\u1ea7n, bi\u1ebfn \u0111\u1ed5i chu\u1ea9n h\u00f3a k\u1ebft h\u1ee3p \u0111\u1ea1o h\u00e0m b\u1eadc 1). Ngo\u00e0i ra, nh\u00f3m s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m x\u1eed l\u00fd s\u1ed1 li\u1ec7u Stat graphic Centurin XV v\u00e0 SIMCA 16 (ph\u00e2n t\u00edch ph\u1ed5). K\u1ebft qu\u1ea3 cho th\u1ea5y, n\u1ebfu ph\u1ed1i tr\u1ed9n 5% (m\u1eabu gi\u1ea3) th\u00ec ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<br>TS Duy cho bi\u1ebft, qua nghi\u00ean c\u1ee9u cho th\u1ea5y, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 x\u00e1c th\u1ef1c ch\u1ea5t l\u01b0\u1ee3ng g\u1ea1o c\u0169ng nh\u01b0 ph\u00e2n bi\u1ec7t c\u00e1c m\u1eabu tr\u1ed9n g\u1ea1o ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng cao. \u0110\u1ed3ng th\u1eddi, c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn xu\u1ea5t x\u1ee9 \u0111\u1ecba l\u00fd c\u1ee7a c\u00f9ng m\u1ed9t gi\u1ed1ng g\u1ea1o nh\u01b0ng tr\u1ed3ng \u1edf nhi\u1ec1u v\u00f9ng kh\u00e1c nhau. Ngo\u00e0i ra, c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa g\u1ea1o h\u1eefu c\u01a1 v\u00e0 g\u1ea1o th\u01b0\u1eddng c\u1ee7a c\u00f9ng m\u1ed9t gi\u1ed1ng g\u1ea1o.<br><img decoding=\"async\" width=\"800\" alt=\"c\" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2021\/11\/02\/e36Gao--TBB.jpg\">Thi\u1ebft b\u1ecbSCiO (tr\u00e1i) v\u00e0 bi\u1ec3u \u0111\u1ed3 ph\u00e2n t\u00e1n m\u1eabu g\u1ea1o nguy\u00ean, ph\u1ed1i tr\u1ed9n 5% \u1ea2nh: NNC<br>T\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e0 ph\u00ea, nh\u00f3m s\u1eed d\u1ee5ng 11 lo\u1ea1i c\u00e0 ph\u00ea robusta \u1edf l\u00e2m \u0111\u1ed3ng, \u0110\u1eafc L\u1eafc, \u0110\u1eafc N\u00f4ng, Gia Lai, v\u00e0 b\u1eafp rang, nghi\u1ec1n m\u1ecbn. Qua ph\u00e2n t\u00edch ph\u1ed5 h\u1ed3ng ngo\u1ea1i, nh\u00f3m ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c c\u00e1c m\u1eabu c\u00e0 ph\u00ea nguy\u00ean ch\u1ea5t v\u00e0 c\u00e1c m\u1eabu c\u00e0 ph\u00ea tr\u1ed9n b\u1eafp v\u1edbi t\u1ef7 l\u1ec7 tr\u1ed9n 5%, 20%.<br>Theo TS Duy, \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng t\u1ed1n nhi\u1ec1u th\u1eddi gian, d\u1ec5 th\u1ef1c hi\u1ec7n v\u1edbi thi\u1ebft b\u1ecb \u0111\u01a1n gi\u1ea3n. M\u1eabu sau khi th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch ph\u1ed5 kh\u00f4ng b\u1ecb m\u1ea5t, cho hi\u1ec7u qu\u1ea3 cao v\u00e0 kh\u00f4ng ph\u1ea3i s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t. Nh\u00f3m nghi\u00ean c\u1ee9u mong mu\u1ed1n \u0111\u01b0\u1ee3c h\u1ee3p t\u00e1c v\u1edbi c\u00e1c doanh nghi\u1ec7p s\u1ea3n xu\u1ea5t, ch\u1ebf bi\u1ebfn n\u00f4ng s\u1ea3n \u0111\u1ec3 ph\u00e1t tri\u1ec3n, m\u1edf r\u1ed9ng c\u00f4ng ngh\u1ec7 n\u00e0y, kh\u00f4ng ch\u1ec9 \u1edf l\u00faa g\u1ea1o m\u00e0 c\u00f2n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n gi\u1ea3 m\u1ea1o \u1edf c\u00e1c n\u00f4ng s\u1ea3n kh\u00e1c nh\u01b0 c\u00e0 ph\u00ea, y\u1ebfn, n\u01b0\u1edbc m\u1eafm, r\u01b0\u1ee3u vang,\u2026<\/p>\n\n\n\n<p class=\"has-text-align-right\">                                                                                                                 <strong> Th\u1ee5y Minh<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-right\"><a href=\"https:\/\/khoahocphattrien.vn\/cong-nghe\/he-thong-quan-ly-nguyen-lieu-dau-vao-cho-cac-cong-ty-san-xuat-thuc-pham\/20211028054630518p1c859.htm\">https:\/\/khoahocphattrien.vn\/cong-nghe\/he-thong-quan-ly-nguyen-lieu-dau-vao-cho-cac-cong-ty-san-xuat-thuc-pham\/20211028054630518p1c859.htm<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ki\u1ec1u Anh Ph\u01b0\u01a1ng ph\u00e1p do PGS.TS L\u00ea Nguy\u1ec5n \u0110oan Duy, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u00f4ng nghi\u1ec7p Th\u1ef1c ph\u1ea9m TPHCM v\u00e0 TS Nguy\u1ec5n Qu\u1ed1c C\u01b0\u1eddng, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa TPHCM, nghi\u00ean c\u1ee9u cho ph\u00e9p ph\u00e1t hi\u1ec7n m\u1ed9t s\u1ed1 n\u00f4ng s\u1ea3n gi\u1ea3 m\u1ea1o ho\u1eb7c b\u1ecb tr\u1ed9n l\u1eabn m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng ph\u1ea3i d\u00f9ng \u0111\u1ebfn h\u00f3a [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":29473,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-29472","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\/29472","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=29472"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/29472\/revisions"}],"predecessor-version":[{"id":31078,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/29472\/revisions\/31078"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/29473"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=29472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=29472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=29472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}