{"id":4370,"date":"2023-05-23T14:18:47","date_gmt":"2023-05-23T07:18:47","guid":{"rendered":"http:\/\/khcn185.vnua.edu.vn\/?p=4370"},"modified":"2023-05-23T14:18:48","modified_gmt":"2023-05-23T07:18:48","slug":"bo-sung-l-methionine-va-mha-ca-cho-tom-the-chan-trang","status":"publish","type":"post","link":"http:\/\/khcn185.vnua.edu.vn\/?p=4370","title":{"rendered":"B\u1ed5 sung L-methionine v\u00e0 MHA-Ca cho t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng..."},"content":{"rendered":"\n\n<p style=\"text-align: justify;\">Nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e2y c\u1ee7a Lu Zheng v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc Chi\u1ebft Giang (Trung Qu\u1ed1c) \u0111\u00e3 so s\u00e1nh t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m L-methionine v\u00e0 MHA-Ca trong ch\u1ebf \u0111\u1ed9 \u0103n \u00edt b\u1ed9t c\u00e1 \u0111\u1ed1i v\u1edbi n\u0103ng su\u1ea5t t\u0103ng tr\u01b0\u1edfng, kh\u1ea3 n\u0103ng ch\u1ed1ng \u00f4xy h\u00f3a, chuy\u1ec3n h\u00f3a methionine, t\u1ed5ng h\u1ee3p protein v\u00e0 kh\u1ea3 n\u0103ng mi\u1ec5n d\u1ecbch c\u1ee7a t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng (TTCT).<\/p>\n<p style=\"text-align: justify;\">Protein c\u00f4 \u0111\u1eb7c t\u1eeb \u0111\u1eadu n\u00e0nh c\u00f3 th\u00e0nh ph\u1ea7n axit amin h\u1ee3p l\u00fd h\u01a1n v\u00e0 v\u1ecb ngon h\u01a1n, c\u0169ng nh\u01b0 \u00edt y\u1ebfu t\u1ed1 kh\u00e1ng dinh d\u01b0\u1ee1ng h\u01a1n, m\u1eb7c d\u00f9 thi\u1ebfu c\u00e1c axit amin ch\u1ee9a l\u01b0u hu\u1ef3nh (Cruz-Su\u00e1rez &amp; cs., 2009; Bauer &amp; cs., 2012; Lu &amp; cs., 2021). Trong s\u1ed1 c\u00e1c axit amin ch\u1ee9a l\u01b0u hu\u1ef3nh, methionine \u0111\u01b0\u1ee3c coi l\u00e0 axit amin thi\u1ebft y\u1ebfu gi\u1edbi h\u1ea1n \u0111\u1ea7u ti\u00ean (EAA) c\u00f3 ch\u1ee9c n\u0103ng sinh h\u1ecdc trong t\u1ed5ng h\u1ee3p protein, ph\u1ea3n \u1ee9ng chuy\u1ec3n h\u00f3a metyl, t\u1ed5ng h\u1ee3p cysteine v\u00e0 cystine, c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u00f4xy h\u00f3a (Mastrototaro &amp; cs., 2016; Lu &amp; cs., 2021; Zhou &amp; cs., 2021). C\u00e1c s\u1ea3n ph\u1ea9m methionine \u0111\u01b0\u1ee3c b\u1ed5 sung ch\u1ee7 y\u1ebfu \u1edf c\u00e1c d\u1ea1ng sau: DL-methionine tinh th\u1ec3, L-methionine tinh th\u1ec3 v\u00e0 axit DL-2-hydroxy-4-methylthiobutanoic (ch\u1ea5t t\u01b0\u01a1ng t\u1ef1 methionine hydroxy, MHA). MHA c\u00f3 \u1edf d\u1ea1ng axit t\u1ef1 do t\u01b0\u01a1ng t\u1ef1 hydroxy (MHA-FA) ho\u1eb7c mu\u1ed1i t\u01b0\u01a1ng t\u1ef1 hydroxy methionine nh\u01b0 canxi t\u01b0\u01a1ng t\u1ef1 methionine hydroxy (MHA-Ca) (Huyghebaert, 1993; Nunes &amp; cs., 2014; Powell &amp; cs., 2017; Niu &amp; cs., 2018).<\/p>\n<table id=\"undefined\" class=\"imgEditor\" border=\"0\" align=\"right\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" class=\"imgtelerik\" src=\"https:\/\/file.vnua.edu.vn\/data\/0\/images\/2023\/05\/23\/host\/2023-2305-tom001-1.jpg?w=680\" alt=\"\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng c\u00e1c s\u1ea3n ph\u1ea9m methionine n\u00e0y gi\u1ed1ng nhau v\u1ec1 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c lo\u00e0i th\u1ee7y s\u1ea3n m\u00e0 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng ph\u1ee5 (Goff v\u00e0 Gatlin, 2004; Forster v\u00e0 Dominy, 2006; Zhou &amp; cs., 2018), trong khi nh\u1eefng nghi\u00ean c\u1ee9u kh\u00e1c ch\u1ec9 ra r\u1eb1ng vi\u1ec7c b\u1ed5 sung c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1 kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c v\u1edbi methionine d\u1ea1ng tinh th\u1ec3 (Keembiyehetty v\u00e0 Gatlin, 1995; Zhao &amp; cs., 2017; Chen &amp; cs., 2018). V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t, \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m methionine nh\u00e2n t\u1ea1o \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a MHA-Ca trong s\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean t\u1eeb 95% \u0111\u1ebfn 98,8%. Do \u0111\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i li\u00ean t\u1ee5c \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m methionine kh\u00e1c nhau.<\/p>\n<p style=\"text-align: justify;\">D\u1ef1a tr\u00ean nhu c\u1ea7u dinh d\u01b0\u1ee1ng c\u1ee7a TTCT, b\u1ed1n ch\u1ebf \u0111\u1ed9 \u0103n gi\u00e0u \u0111\u1ea1m (40,21% protein th\u00f4) v\u00e0 \u0111\u1eb3ng n\u0103ng l\u01b0\u1ee3ng (17,89 kJ\/g n\u0103ng l\u01b0\u1ee3ng th\u00f4) \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 x\u00e2y d\u1ef1ng. Ch\u1ebf \u0111\u1ed9 \u0103n \u0111\u1ed1i ch\u1ee9ng d\u01b0\u01a1ng (PC) \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi b\u1ed9t c\u00e1 \u1edf m\u1ee9c 203,3 g\/kg trong khi ch\u1ebf \u0111\u1ed9 \u0103n \u0111\u1ed1i ch\u1ee9ng \u00e2m (NC) ch\u1ee9a t\u1ef7 l\u1ec7 b\u1ed9t c\u00e1 th\u1ea5p h\u01a1n (100 g\/kg) \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi h\u00e0m l\u01b0\u1ee3ng protein \u0111\u1eadu n\u00e0nh c\u00f4 \u0111\u1eb7c cao h\u01a1n. \u1ede c\u00f9ng m\u1ee9c b\u1ed9t c\u00e1 nh\u01b0 ch\u1ebf \u0111\u1ed9 \u0103n NC, 3 g\/kg L-methionine d\u1ea1ng tinh th\u1ec3 v\u00e0 3 g\/kg MHA-Ca v\u1edbi 87,8% MHA (\u0111\u1ed9 tinh khi\u1ebft 98,8%) \u0111\u01b0\u1ee3c b\u1ed5 sung trong hai ch\u1ebf \u0111\u1ed9 \u0103n c\u00f2n l\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 MET v\u00e0 MHA- Ch\u1ebf \u0111\u1ed9 \u0103n ki\u00eang Ca, t\u01b0\u01a1ng \u1ee9ng. Trong s\u1ed1 b\u1ed1n lo\u1ea1i th\u1ee9c \u0103n, b\u1ed9t c\u00e1, b\u1ed9t \u0111\u1eadu n\u00e0nh, b\u1ed9t \u0111\u1eadu n\u00e0nh l\u00ean men, protein \u0111\u1eadu n\u00e0nh c\u00f4 \u0111\u1eb7c v\u00e0 b\u1ed9t t\u00f4m l\u00e0 nh\u1eefng ngu\u1ed3n protein ch\u00ednh. Axit aspartic: glycine (1:1) v\u00e0 tinh b\u1ed9t \u03b1 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb3ng nhi\u1ec7t v\u00e0 \u0111\u1eb3ng n\u0103ng l\u01b0\u1ee3ng trong b\u1ed1n c\u00f4ng th\u1ee9c.<\/p>\n<p style=\"text-align: justify;\">C\u00e1c th\u00f4ng s\u1ed1 t\u0103ng tr\u01b0\u1edfng v\u00e0 s\u1eed d\u1ee5ng th\u1ee9c \u0103n c\u1ee7a t\u00f4m \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi b\u1ed1n ch\u1ebf \u0111\u1ed9 \u0103n kh\u00e1c nhau \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong B\u1ea3ng 1. So v\u1edbi nh\u00f3m NC, t\u00f4m \u0103n ch\u1ebf \u0111\u1ed9 PC cho th\u1ea5y WGR, SGR v\u00e0 CF cao h\u01a1n c\u0169ng nh\u01b0 HSI th\u1ea5p h\u01a1n (p &lt; 0,05). Vi\u1ec7c b\u1ed5 sung L-methionine v\u00e0 MHA-Ca (ch\u1ebf \u0111\u1ed9 \u0103n MET v\u00e0 MHA-Ca) d\u1eabn \u0111\u1ebfn WGR, SGR v\u00e0 CF cao h\u01a1n, c\u0169ng nh\u01b0 HSI th\u1ea5p h\u01a1n so v\u1edbi t\u00f4m \u0103n ch\u1ebf \u0111\u1ed9 NC (p &lt; 0,05), trong khi HSI c\u1ee7a t\u00f4m \u0103n kh\u1ea9u ph\u1ea7n MHA-Ca cao h\u01a1n t\u00f4m \u0103n kh\u1ea9u ph\u1ea7n PC v\u00e0 MET (p &lt; 0,05). Kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 WGR v\u00e0 SGR gi\u1eefa t\u00f4m \u0111\u01b0\u1ee3c cho \u0103n ch\u1ebf \u0111\u1ed9 \u0103n MET, MHA-Ca v\u00e0 PC (p &gt; 0,05). Kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 CF v\u00e0 HSI gi\u1eefa nh\u00f3m PC v\u00e0 MET (p &gt; 0,05). H\u01a1n n\u1eefa, t\u00f4m t\u1eeb nh\u00f3m MHA-Ca cho th\u1ea5y CF cao nh\u1ea5t (p &lt; 0,05). SR v\u00e0 FCR c\u1ee7a t\u00f4m kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 gi\u1eefa 4 nh\u00f3m (p &gt; 0,05).<\/p>\n<table id=\"undefined\" class=\"imgEditor\" border=\"0\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" class=\"imgtelerik\" src=\"https:\/\/file.vnua.edu.vn\/data\/0\/images\/2023\/05\/23\/host\/t2.jpg?w=680\" alt=\"\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>B\u1ea3ng 1. Hi\u1ec7u su\u1ea5t t\u0103ng tr\u01b0\u1edfng v\u00e0 s\u1eed d\u1ee5ng th\u1ee9c \u0103n c\u1ee7a TTCT \u0111\u01b0\u1ee3c cho \u0103n c\u00e1c kh\u1ea9u ph\u1ea7n th\u00ed nghi\u1ec7m<\/em><\/p>\n<p style=\"text-align: justify;\">C\u00e1c ph\u1ea7n m\u00f4 h\u1ecdc c\u1ee7a \u1ed1ng gan t\u1ee5y t\u1eeb TTCT trong th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong H\u00ecnh 1. C\u00e1c t\u1ebf b\u00e0o B, t\u1ebf b\u00e0o E v\u00e0 t\u1ebf b\u00e0o F trong gan \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf t\u00f4m th\u00ed nghi\u1ec7m. T\u00f4m \u0111\u01b0\u1ee3c cho \u0103n ch\u1ebf \u0111\u1ed9 \u0103n NC c\u00f3 t\u1ebf b\u00e0o B ph\u00ec \u0111\u1ea1i trong gan t\u1ee5y, trong khi vi\u1ec7c b\u1ed5 sung L-methionine v\u00e0 MHA-Ca l\u00e0m gi\u1ea3m b\u1edbt s\u1ef1 ph\u1ed3ng l\u00ean. T\u00f4m \u0111\u01b0\u1ee3c cho \u0103n ch\u1ebf \u0111\u1ed9 \u0103n PC, MET v\u00e0 MHA-Ca bi\u1ec3u hi\u1ec7n c\u1ea5u tr\u00fac t\u1ebf b\u00e0o gan b\u00ecnh th\u01b0\u1eddng v\u1edbi s\u1ef1 s\u1eafp x\u1ebfp \u0111\u1ec1u \u0111\u1eb7n v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t th\u01b0\u1eddng trong \u1ed1ng.<\/p>\n<p style=\"text-align: justify;\">T\u00f4m \u0111\u01b0\u1ee3c cho \u0103n ch\u1ebf \u0111\u1ed9 \u0103n PC cho th\u1ea5y m\u1ee9c \u0111\u1ed9 bi\u1ec3u hi\u1ec7n cao h\u01a1n \u0111\u00e1ng k\u1ec3 c\u1ee7a methionine adenosyltransferase II, alpha (mat2a) v\u00e0 cysteine dioxygenase (cdo) so v\u1edbi nh\u1eefng con \u0103n ch\u1ebf \u0111\u1ed9 NC (p &lt; 0,05). Vi\u1ec7c b\u1ed5 sung L-methionine kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 bi\u1ec3u hi\u1ec7n c\u1ee7a mat2a v\u00e0 cdo so v\u1edbi nh\u00f3m NC (p &gt; 0,05). V\u1edbi vi\u1ec7c b\u1ed5 sung MHA-Ca, m\u1ee9c \u0111\u1ed9 bi\u1ec3u hi\u1ec7n c\u1ee7a cdo \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u0103ng \u0111\u00e1ng k\u1ec3 (p &lt; 0,05).\u00a0 C\u1ea3 hai ch\u1ea5t b\u1ed5 sung L-methionine v\u00e0 MHA-Ca \u0111\u1ec1u \u0111i\u1ec1u ch\u1ec9nh t\u0103ng \u0111\u00e1ng k\u1ec3 bi\u1ec3u hi\u1ec7n c\u1ee7a tor (p &lt; 0,05). S\u1ef1 bi\u1ec3u hi\u1ec7n c\u1ee7a rag c kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi L-methionine ho\u1eb7c MHA-Ca (p &gt; 0,05). Trong h\u1ec7 th\u1ed1ng ch\u1ed1ng \u00f4xy h\u00f3a, m\u1ee9c \u0111\u1ed9 bi\u1ec3u hi\u1ec7n c\u1ee7a sod, cat v\u00e0 glutathione peroxidase (gpx) \u1edf t\u00f4m \u0103n ch\u1ebf \u0111\u1ed9 \u0103n PC cao h\u01a1n r\u00f5 r\u1ec7t so v\u1edbi nh\u00f3m NC (p &lt; 0,05). M\u1ed9t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh t\u0103ng \u0111\u00e1ng k\u1ec3 c\u1ee7a sod v\u00e0 gpx \u0111\u00e3 \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y trong nh\u00f3m MET (p &lt; 0,05). M\u1ed9t c\u00e1ch t\u01b0\u01a1ng \u0111\u1ed1i, vi\u1ec7c b\u1ed5 sung MHA-Ca kh\u00f4ng c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn bi\u1ec3u hi\u1ec7n sod v\u00e0 gpx (p &gt; 0,05).<\/p>\n<p style=\"text-align: right;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>ThS. L\u00ea Xu\u00e2n Chinh \u2013 Ban Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e2y c\u1ee7a Lu Zheng v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc Chi\u1ebft Giang (Trung Qu\u1ed1c) \u0111\u00e3 so s\u00e1nh t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m L-methionine v\u00e0 MHA-Ca trong ch\u1ebf \u0111\u1ed9 \u0103n \u00edt b\u1ed9t c\u00e1 \u0111\u1ed1i v\u1edbi n\u0103ng su\u1ea5t t\u0103ng tr\u01b0\u1edfng, kh\u1ea3 n\u0103ng ch\u1ed1ng \u00f4xy h\u00f3a, chuy\u1ec3n h\u00f3a methionine, t\u1ed5ng h\u1ee3p protein&#8230;<\/p>\n","protected":false},"author":2,"featured_media":4371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4370","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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