{"id":4370,"date":"2025-06-12T13:43:13","date_gmt":"2025-06-12T13:43:13","guid":{"rendered":"https:\/\/chuyendoiso.haiphong.gov.vn\/?p=4370"},"modified":"2025-06-27T07:18:44","modified_gmt":"2025-06-27T07:18:44","slug":"baiviet01","status":"publish","type":"post","link":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/2025\/06\/12\/baiviet01\/","title":{"rendered":"Nghi\u00ean c\u1ee9u quy tri\u0300nh CNSX ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 t\u01b0\u0300 vi sinh v\u00e2\u0323t b\u00f4\u0309 sung va\u0300o th\u01b0\u0301c \u0103n ch\u0103n nu\u00f4i phu\u0323c vu\u0323 nu\u00f4i tr\u00f4\u0300ng thu\u0309y sa\u0309n"},"content":{"rendered":"<div style=\"width: 696px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-4370-1\" width=\"696\" height=\"392\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/chuyendoiso.haiphong.gov.vn\/wp-content\/uploads\/2025\/06\/video-so-14.mp4?_=1\" \/><a href=\"https:\/\/chuyendoiso.haiphong.gov.vn\/wp-content\/uploads\/2025\/06\/video-so-14.mp4\">https:\/\/chuyendoiso.haiphong.gov.vn\/wp-content\/uploads\/2025\/06\/video-so-14.mp4<\/a><\/video><\/div>\n<p><em>S\u00e1ng 07\/6, S\u1edf Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 t\u1ed5 ch\u1ee9c H\u1ed9i ngh\u1ecb t\u01b0 v\u1ea5n \u0111\u00e1nh gi\u00e1, nghi\u1ec7m thu k\u1ebft qu\u1ea3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ea5p th\u00e0nh ph\u1ed1 Nghi\u00ean c\u1ee9u quy tri\u0300nh c\u00f4ng ngh\u00ea\u0323 sa\u0309n xu\u00e2\u0301t ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 t\u01b0\u0300 vi sinh v\u00e2\u0323t b\u00f4\u0309 sung va\u0300o th\u01b0\u0301c \u0103n ch\u0103n nu\u00f4i phu\u0323c vu\u0323 nu\u00f4i tr\u00f4\u0300ng thu\u0309y sa\u0309n. \u0110\u1ec1 t\u00e0i do Vi\u1ec7n Nghi\u00ean c\u01b0\u0301u Ha\u0309i sa\u0309n ch\u1ee7 tr\u00ec th\u1ef1c hi\u1ec7n, ThS. Bu\u0300i Tro\u0323ng T\u00e2m l\u00e0m ch\u1ee7 nhi\u1ec7m. Pho\u0301 Gia\u0301m \u0111\u00f4\u0301c S\u01a1\u0309 N\u00f4ng nghi\u00ea\u0323p va\u0300 M\u00f4i tr\u01b0\u01a1\u0300ng TS. Bu\u0300i Thanh Tu\u0300ng la\u0300m Chu\u0309 ti\u0323ch H\u00f4\u0323i \u0111\u00f4\u0300ng.<\/em><\/p>\n<p>Nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00f4\u0309ng h\u01a1\u0323p \u0111\u01b0\u01a1\u0323c ca\u0301c ta\u0300i li\u00ea\u0323u trong va\u0300 ngoa\u0300i n\u01b0\u01a1\u0301c co\u0301 li\u00ean quan \u0111\u00ea\u0301n chu\u0309ng gi\u00f4\u0301ng vi sinh v\u00e2\u0323t, c\u00f4ng ngh\u00ea\u0323 nu\u00f4i l\u00ean men sinh kh\u00f4\u0301i vi n\u00e2\u0301m, thu sa\u0309n xu\u00e2\u0301t va\u0300 ba\u0309o qua\u0309n ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1, ti\u0300nh hi\u0300nh \u01b0\u0301ng du\u0323ng ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 trong nu\u00f4i tr\u00f4\u0300ng thu\u0309y sa\u0309n. Nho\u0301m nghi\u00ean c\u01b0\u0301u \u0111a\u0303 thu th\u00e2\u0323p \u0111\u01b0\u01a1\u0323c 04 chu\u0309ng vi n\u00e2\u0301m\u00a0<em>Rhizopus\u00a0<\/em>(RL va\u0300 RL1),\u00a0<em>Aspergillus<\/em>\u00a0(AC va\u0300 AC1) la\u0300m chu\u0309ng gi\u00f4\u0301ng nghi\u00ean c\u01b0\u0301u. Sa\u0300ng lo\u0323c, ki\u00ea\u0309m ch\u01b0\u0301ng ph\u00e2n loa\u0323i, l\u01b0\u0323a cho\u0323n \u0111\u01b0\u01a1\u0323c 02 chu\u0309ng vi n\u00e2\u0301m\u00a0<em>Rhizopus oryzae<\/em>\u00a0RL va\u0300\u00a0<em>Aspergillus niger<\/em>\u00a0AC la\u0300m nguy\u00ean li\u00ea\u0323u cho l\u00ean men ta\u0323o ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 lactic va\u0300 citric. Ca\u0301c chu\u0309ng vi n\u00e2\u0301m \u0111\u01b0\u01a1\u0323c ba\u0309o qua\u0309n m\u00f4i tr\u01b0\u01a1\u0300ng tha\u0323ch ho\u0103\u0323c di\u0323ch theo nhi\u00ea\u0323t \u0111\u00f4\u0323 ma\u0301t (3-5<sup>0<\/sup>C) va\u0300 nhi\u00ea\u0323t \u0111\u00f4\u0323 \u0111\u00f4ng (-20<sup>0<\/sup>C) \u0111\u00ea\u0309 chu\u0309 \u0111\u00f4\u0323ng va\u0300 \u0111a\u0301p \u01b0\u0301ng \u0111\u01b0\u01a1\u0323c ngu\u00f4\u0300n gi\u00f4\u0301ng \u0111\u00ea\u0309 cung c\u00e2\u0301p nguy\u00ean li\u00ea\u0323u l\u00ean men cho sa\u0309n xu\u00e2\u0301t.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u1ec1 t\u00e0i \u0111a\u0303 hoa\u0300n thi\u00ea\u0323n quy tri\u0300nh sa\u0309n xu\u00e2\u0301t ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 t\u01b0\u0300 ca\u0301c chu\u0309ng vi n\u00e2\u0301m\u00a0<em>Rhizopus oryzae<\/em>\u00a0RL va\u0300\u00a0<em>Aspergillus niger<\/em>\u00a0AC sinh axi\u0301t lactic va\u0300 citric quy m\u00f4 thi\u0301 nghi\u00ea\u0323m v\u01a1\u0301i ca\u0301c th\u00f4ng s\u00f4\u0301 t\u00f4\u0301i \u01b0u v\u00ea\u0300 ngu\u00f4\u0300n cacbon (glucose ho\u0103\u0323c saccharose), ngu\u00f4\u0300n nit\u01a1 ((NH<sub>4<\/sub>)<sub>2<\/sub>SO<sub>4<\/sub>\u00a0ho\u0103\u0323c NH<sub>4<\/sub>NO<sub>3<\/sub>), th\u01a1\u0300i gian l\u00ean men (72h), c\u00f4ng ngh\u00ea\u0323 thu (va\u0309i lo\u0323c 25-30 \u00b5m), k\u00ea\u0301t tinh (pH 10, nhi\u00ea\u0323t \u0111\u00f4\u0323 5-10<sup>0<\/sup>C, 18h), s\u00e2\u0301y \u0111\u00f4ng kh\u00f4 (-80<sup>0<\/sup>C, 24h), ph\u00f4\u0301i tr\u00f4\u0323n (lactate\/citate 35%:35%, phu\u0323 gia canxi cacbonat \u0111u\u0309 100%) va\u0300 ba\u0309o qua\u0309n ch\u00ea\u0301 ph\u00e2\u0309m (bao bi\u0300 ghe\u0301p nhi\u00ea\u0300u l\u01a1\u0301p, nhi\u00ea\u0323t \u0111\u00f4\u0323 pho\u0300ng 25-27<sup>0<\/sup>C).<\/p>\n<p>Ca\u0301c ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 \u0111\u01b0\u01a1\u0323c sa\u0309n xu\u00e2\u0301t theo quy tri\u0300nh co\u0301 ch\u00e2\u0301t l\u01b0\u01a1\u0323ng \u00f4\u0309n \u0111i\u0323nh, sa\u0309n ph\u00e2\u0309m \u0111\u01b0\u01a1\u0323c ba\u0309o qua\u0309n \u01a1\u0309 \u0111i\u00ea\u0300u ki\u00ea\u0323n ma\u0301t v\u01a1\u0301i th\u01a1\u0300i gian 06 tha\u0301ng. Ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 \u0111\u01b0\u01a1\u0323c b\u00f4\u0309 sung v\u01a1\u0301i ty\u0309 l\u00ea\u0323 3g\/kg th\u01b0\u0301c \u0103n nu\u00f4i t\u00f4m the\u0309 ch\u00e2n tr\u0103\u0301ng cho t\u00f4\u0301c \u0111\u00f4\u0323 t\u0103ng tr\u01b0\u01a1\u0309ng cao h\u01a1n 8,2%, h\u00ea\u0323 s\u00f4\u0301 th\u01b0\u0301c \u0103n FCR gia\u0309m 8,46% so v\u01a1\u0301i t\u00f4m nu\u00f4i \u01a1\u0309 ao \u0111\u00f4\u0301i ch\u01b0\u0301ng. Th\u00f4ng qua b\u1ed9 s\u1ed1 li\u1ec7u nghi\u00ean c\u1ee9u, Ban ch\u1ee7 nhi\u1ec7m \u0111\u1ec1 t\u00e0i \u0111a\u0303 x\u00e2y d\u01b0\u0323ng \u0111\u01b0\u01a1\u0323c quy tri\u0300nh c\u00f4ng ngh\u00ea\u0323 sa\u0309n xu\u00e2\u0301t ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 t\u01b0\u0300 vi sinh v\u00e2\u0323t (vi n\u00e2\u0301m\u00a0<em>Rhizopus oryzae<\/em>\u00a0RL va\u0300\u00a0<em>Aspergillus niger<\/em>\u00a0AC), ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 co\u0301 ha\u0300m l\u01b0\u01a1\u0323ng axi\u0301t lactic va\u0300 axi\u0301t citric &gt; 15%.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u00e1ng 07\/6, S\u1edf Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 t\u1ed5 ch\u1ee9c H\u1ed9i ngh\u1ecb t\u01b0 v\u1ea5n \u0111\u00e1nh gi\u00e1, nghi\u1ec7m thu k\u1ebft qu\u1ea3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ea5p th\u00e0nh ph\u1ed1 Nghi\u00ean c\u1ee9u quy tri\u0300nh c\u00f4ng ngh\u00ea\u0323 sa\u0309n xu\u00e2\u0301t ch\u00ea\u0301 ph\u00e2\u0309m axi\u0301t h\u01b0\u0303u c\u01a1 t\u01b0\u0300 vi sinh v\u00e2\u0323t b\u00f4\u0309 sung va\u0300o th\u01b0\u0301c \u0103n ch\u0103n [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4365,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[40],"tags":[],"class_list":{"0":"post-4370","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-media-truyen-thong-ve-khcn-dmst-va-cds"},"_links":{"self":[{"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/posts\/4370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/comments?post=4370"}],"version-history":[{"count":2,"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/posts\/4370\/revisions"}],"predecessor-version":[{"id":4406,"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/posts\/4370\/revisions\/4406"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/media\/4365"}],"wp:attachment":[{"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chuyendoiso.haiphong.gov.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}