{"id":2124,"date":"2025-09-29T17:41:00","date_gmt":"2025-09-29T10:41:00","guid":{"rendered":"https:\/\/www.nutrispices.com\/?p=2124"},"modified":"2025-12-09T17:45:12","modified_gmt":"2025-12-09T10:45:12","slug":"lieu-cat-co-the-thay-the-xo","status":"publish","type":"post","link":"https:\/\/www.nutrispices.com\/vi\/nutrinews\/nutricles\/lieu-cat-co-the-thay-the-xo\/","title":{"rendered":"Li\u1ec7u c\u00e1t c\u00f3 th\u1ec3 thay th\u1ebf x\u01a1 ?"},"content":{"rendered":"\n
\"\"<\/figure>
\n

Trong dinh d\u01b0\u1ee1ng \u0111\u1ed9ng v\u1eadt, ch\u1ea5t x\u01a1 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t ph\u1ea7n polysaccharides trong kh\u1ea9u ph\u1ea7n kh\u00f4ng ti\u00eau h\u00f3a b\u1edfi c\u00e1c enzyme c\u1ee7a ru\u1ed9t non. Thay v\u00e0o \u0111\u00f3, c\u00e1c carbohydrate ph\u1ee9c t\u1ea1p n\u00e0y ho\u1eb7c \u0111i \u0111\u1ebfn \u0111\u1ea1i tr\u00e0ng, n\u01a1i ch\u00fang \u0111\u01b0\u1ee3c l\u00ean men b\u1edfi h\u1ec7 vi sinh \u0111\u01b0\u1eddng ru\u1ed9t, ho\u1eb7c ch\u00fang v\u1eabn kh\u00f4ng l\u00ean men v\u00e0 \u0111\u01b0\u1ee3c b\u00e0i ti\u1ebft qua ph\u00e2n. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y d\u1eabn \u0111\u1ebfn hai ph\u00e2n lo\u1ea1i: ch\u1ea5t x\u01a1 l\u00ean men, t\u1ea1o ra c\u00e1c axit b\u00e9o chu\u1ed7i ng\u1eafn c\u00f3 l\u1ee3i trong qu\u00e1 tr\u00ecnh l\u00ean men, v\u00e0 x\u01a1 kh\u00f4ng l\u00ean men, cung c\u1ea5p kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u00edch nhu \u0111\u1ed9ng ru\u1ed9t<\/strong><\/p>\n<\/div><\/div>\n\n\n\n

Th\u00e1ch th\u1ee9c \u1edf ch\u00e2u \u00c1 l\u00e0 kh\u1ea9u ph\u1ea7n ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean g\u1ea1o, ng\u00f4 v\u00e0 b\u00e3 \u0111\u1eadu n\u00e0nh, cung c\u1ea5p qu\u00e1 \u00edt ch\u1ea5t x\u01a1 kh\u00f4ng tan. K\u1ebft qu\u1ea3 l\u00e0, kh\u1ea9u ph\u1ea7n thi\u1ebfu ch\u1ea5t x\u01a1 v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng. \u1ede Th\u00e1i Lan v\u00e0 Vi\u1ec7t Nam, n\u01a1i kh\u1ea9u ph\u1ea7n d\u1ef1a tr\u00ean ng\u00f4 \u2013 b\u00e3 \u0111\u1eadu n\u00e0nh chi\u1ebfm \u01b0u th\u1ebf, t\u1ed5ng l\u01b0\u1ee3ng ch\u1ea5t x\u01a1 (TDF \u2013 Total Dietary Fibers) trong kh\u1ea9u ph\u1ea7n th\u01b0\u1eddng l\u00e0 2\u20133% x\u01a1 th\u00f4 (CF) v\u00e0 6\u201310% x\u01a1 trung t\u00ednh (NDF). Khi c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng d\u1ec5 ti\u00eau h\u00f3a \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 \u1edf ru\u1ed9t non, ch\u1ea5t x\u01a1 tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu \u1edf ru\u1ed9t gi\u00e0, th\u01b0\u1eddng chi\u1ebfm h\u01a1n 60% l\u01b0\u1ee3ng v\u1eadt ch\u1ea5t kh\u00f4 c\u00f2n l\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0, ngay c\u1ea3 khi ch\u1ea5t x\u01a1 ch\u1ec9 chi\u1ebfm m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ecf trong kh\u1ea9u ph\u1ea7n khi n\u1ea1p v\u00e0o, th\u00ec khi th\u1ee9c \u0103n ti\u00eau h\u00f3a \u0111\u1ebfn ru\u1ed9t gi\u00e0, n\u00f3 v\u1eabn chi\u1ebfm t\u1ef7 l\u1ec7 \u01b0u th\u1ebf. M\u1eb7c d\u00f9 c\u00f3 vai tr\u00f2 thi\u1ebft y\u1ebfu n\u00e0y, vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t x\u01a1 trong dinh d\u01b0\u1ee1ng d\u1ea1 d\u00e0y \u0111\u01a1n v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5, v\u00e0 nh\u1eefng quan ni\u1ec7m sai l\u1ea7m v\u1eabn ti\u1ebfp t\u1ee5c lan truy\u1ec1n.<\/p>\n\n\n\n

Ch\u1ea5t x\u01a1 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong ru\u1ed9t<\/strong><\/p>\n\n\n\n

T\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u1ea5t x\u01a1 trong ch\u1ebf \u0111\u1ed9 \u0103n \u1edf l\u1ee3n v\u00e0 gia c\u1ea7m ch\u1ee7 y\u1ebfu v\u00e0 tr\u01b0\u1edbc ti\u00ean l\u00e0 c\u01a1 h\u1ecdc. Kh\u00f4ng gi\u1ed1ng nh\u01b0 tinh b\u1ed9t v\u00e0 protein h\u00f2a tan v\u00e0 bi\u1ebfn m\u1ea5t trong qu\u00e1 tr\u00ecnh ti\u00eau h\u00f3a, ch\u1ea5t x\u01a1 v\u1eabn t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng c\u00e1c h\u1ea1t r\u1eafn trong ru\u1ed9t. Pha r\u1eafn n\u00e0y t\u1ea1o \u00e1p l\u1ef1c v\u1eadt l\u00fd l\u00ean th\u00e0nh ru\u1ed9t, k\u00edch th\u00edch nhu \u0111\u1ed9ng ru\u1ed9t, nh\u1eefng c\u01a1n co th\u1eaft nh\u1ecbp nh\u00e0ng gi\u00fap \u0111\u1ea9y th\u1ee9c \u0103n ti\u1ebfp t\u1ee5c di chuy\u1ec3n. N\u1ebfu kh\u00f4ng c\u00f3 ch\u1ea5t x\u01a1 h\u1ed7n h\u1ee3p ti\u00eau h\u00f3a trong ru\u1ed9t s\u1ebd ch\u1ee7 y\u1ebfu l\u00e0 ch\u1ea5t l\u1ecfng, v\u00e0 nhu \u0111\u1ed9ng ru\u1ed9t s\u1ebd b\u1ecb suy gi\u1ea3m nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n

Ch\u1ea5t x\u01a1 c\u0169ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t c\u1ea1o. Ch\u00fang gi\u00fap lo\u1ea1i b\u1ecf ch\u1ea5t nh\u1ea7y d\u01b0 th\u1eeba v\u00e0 gi\u1ea3m s\u1ef1 b\u00e1m d\u00ednh c\u1ee7a vi khu\u1ea9n tr\u00ean ni\u00eam m\u1ea1c ru\u1ed9t, duy tr\u00ec ni\u00eam m\u1ea1c s\u1ea1ch h\u01a1n v\u00e0 h\u1ea5p th\u1ee5 ch\u1ea5t dinh d\u01b0\u1ee1ng hi\u1ec7u qu\u1ea3 h\u01a1n. \u0110\u1ed3ng th\u1eddi, ch\u1ea5t x\u01a1 cung c\u1ea5p ch\u1ea5t n\u1ec1n cho h\u1ec7 vi sinh v\u1eadt \u0111\u01b0\u1eddng ru\u1ed9t \u1edf ru\u1ed9t gi\u00e0, th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh l\u00ean men v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t chuy\u1ec3n h\u00f3a c\u00f3 l\u1ee3i nh\u01b0 butyrate, h\u1ed7 tr\u1ee3 s\u1ee9c kh\u1ecfe \u0111\u1ea1i tr\u00e0ng.<\/p>\n\n\n\n

Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 h\u00ecnh dung vi\u1ec7c thay th\u1ebf ch\u1ea5t x\u01a1 b\u1eb1ng c\u00e1c h\u1ea1t kh\u00f4ng h\u00f2a tan kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1t, \u0111\u1ec3 k\u00edch th\u00edch nhu \u0111\u1ed9ng ru\u1ed9t. V\u1ec1 l\u00fd thuy\u1ebft, \u0111i\u1ec1u n\u00e0y s\u1ebd t\u1ea1o ra m\u1ed9t s\u1ed1 k\u00edch th\u00edch c\u01a1 h\u1ecdc, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, c\u00e1t qu\u00e1 m\u1ecbn v\u00e0 t\u00ednh m\u00e0i m\u00f2n cao, d\u1eabn \u0111\u1ebfn t\u1ed5n th\u01b0\u01a1ng m\u00f4 thay v\u00ec c\u1ea1o nh\u1eb9 nh\u00e0ng nh\u01b0 x\u01a1. V\u1edbi c\u1ea5u tr\u00fac c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb th\u1ef1c v\u1eadt, mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng ph\u00f9 h\u1ee3p gi\u1eefa \u0111\u1ed9 r\u1eafn, k\u1ebft c\u1ea5u v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc \u0111\u1ec3 th\u1ef1c hi\u1ec7n vai tr\u00f2 n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

\u0110\u1ed9ng v\u1eadt c\u1ea7n bao nhi\u00eau x\u01a1?<\/strong><\/p>\n\n\n\n

M\u1ed7i lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c nhau c\u1ea7n l\u01b0\u1ee3ng ch\u1ea5t x\u01a1 kh\u00e1c nhau trong kh\u1ea9u ph\u1ea7n. Tr\u01b0\u1edbc \u0111\u00e2y, c\u00e1c chuy\u00ean gia dinh d\u01b0\u1ee1ng th\u01b0\u1eddng d\u1ef1a v\u00e0o ch\u1ec9 s\u1ed1 x\u01a1 th\u00f4 (CF) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1, nh\u01b0ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 th\u1ea5p h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t x\u01a1 th\u1ef1c s\u1ef1. Ng\u00e0y nay, x\u01a1 trung t\u00ednh (NDF) l\u00e0 ch\u1ec9 s\u1ed1 \u01b0a chu\u1ed9ng h\u01a1n, v\u00ec n\u00f3 th\u1ec3 hi\u1ec7n ch\u00ednh x\u00e1c h\u01a1n t\u1ed5ng l\u01b0\u1ee3ng ch\u1ea5t x\u01a1. Vui l\u00f2ng xem m\u1ee9c CF\/NDF \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb b\u1edfi INRA b\u00ean d\u01b0\u1edbi.<\/p>\n\n\n\n

    \n
  • Heo con ( cai s\u1eefa <20 kg):<\/strong> CF 2.5\u20133% \/ NDF 8\u201312%; \u0111\u01b0\u1eddng ru\u1ed9t thu\u1ea7n th\u1ee5c nhanh h\u01a1n; kh\u00f4 h\u01a1n, ph\u00e2n \u0111\u1ed3ng nh\u1ea5t h\u01a1n; ti\u00eau ch\u1ea3y sau cai s\u1eefa \u00edt h\u01a1n.<\/li>\n\n\n\n
  • Heo v\u1ed7 b\u00e9o (20\u201360 kg):<\/strong> CF 3.5\u20134.5% \/ NDF 10\u201316% \u2192 qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n \u1ed5n \u0111\u1ecbnh h\u01a1n, c\u1ea5u tr\u00fac nhung mao t\u1ed1t h\u01a1n, t\u0103ng tr\u1ecdng nh\u1ea5t qu\u00e1n h\u01a1n.<\/li>\n\n\n\n
  • Heo xu\u1ea5t chu\u1ed3ng (60\u2013120 kg):<\/strong> CF 5\u20135.5% \/ NDF 10\u201316%; ph\u00f2ng ng\u1eeba t\u00e1o b\u00f3n, h\u00e0nh vi stress \u00edt bi\u1ec3u hi\u1ec7n h\u01a1n, c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a th\u00e2n th\u1ecbt.<\/li>\n\n\n\n
  • N\u00e1i mang thai<\/strong>: CF 6.5\u20137% \/ NDF 20\u201322%; duy tr\u00ec c\u1ea3m gi\u00e1c no trong kh\u1ea9u ph\u1ea7n h\u1ea1n ch\u1ebf; n\u00e1i b\u00ecnh t\u0129nh h\u01a1n; \u00edt t\u00e1o b\u00f3n h\u01a1n; \u0111\u1ebb d\u1ec5 h\u01a1n.<\/li>\n\n\n\n
  • N\u00e1i nu\u00f4i con<\/strong>: CF 5.5\u20136% \/ NDF 13\u201318%; duy tr\u00ec l\u01b0\u1ee3ng th\u1ee9c \u0103n n\u1ea1p v\u00e0o, duy tr\u00ec qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n \u0111\u1ec1u \u0111\u1eb7n, h\u1ed7 tr\u1ee3 s\u1ea3n l\u01b0\u1ee3ng s\u1eefa v\u00e0 th\u1ec3 tr\u1ea1ng m\u00e0 kh\u00f4ng b\u1ecb th\u1eeba c\u00e2n   <\/li>\n\n\n\n
  • G\u00e0 th\u1ecbt \u2013 Kh\u1edfi \u0111\u1ea7u (0\u201310 d):<\/strong> CF 2.5\u20133.5% \/ NDF 6\u20138%; tr\u00e1nh t\u00ecnh tr\u1ea1ng th\u1eeba c\u00e2n; th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ru\u1ed9t.<\/li>\n\n\n\n
  • G\u00e0 th\u1ecbt \u2013 T\u0103ng tr\u1ecdng (10\u201324 d):<\/strong> CF 3.5\u20134.5% \/  NDF 8\u201310%; k\u00edch th\u00edch ph\u00e1t tri\u1ec3n m\u1ec1, c\u1ea3i thi\u1ec7n ti\u00eau h\u00f3a.<\/li>\n\n\n\n
  • G\u00e0 th\u1ecbt \u2013 Xu\u1ea5t chu\u1ed3ng (>24 d):<\/strong> CF 4.5\u20134.5% \/ NDF 10\u201312%; m\u1ec1 kh\u1ecfe h\u01a1n, c\u1ea3i thi\u1ec7n ti\u00eau h\u00f3a, ph\u00e2n kh\u00f4 h\u01a1n.<\/li>\n\n\n\n
  • G\u00e0 \u0111\u1ebb<\/strong>: CF 4\u20136% \/ NDF 10\u201314%; better satiety and calmness; stronger eggshells and persistency of lay.<\/li>\n\n\n\n
  • V\u1ecbt (m\u1ecdi giai \u0111o\u1ea1n):<\/strong> CF 5\u20137% \/  NDF 12\u201316%; kh\u1ea3 n\u0103ng dung n\u1ea1p ch\u1ea5t x\u01a1 cao h\u01a1n; gi\u00fap ki\u1ec3m so\u00e1t s\u1ef1 t\u00edch t\u1ee5 ch\u1ea5t b\u00e9o \u0111\u1ed3ng th\u1eddi duy tr\u00ec s\u1ee9c kh\u1ecfe \u0111\u01b0\u1eddng ru\u1ed9t.<\/li>\n<\/ul>\n\n\n\n

    Nh\u1eefng gi\u00e1 tr\u1ecb n\u00e0y nh\u1ea5n m\u1ea1nh r\u1eb1ng ch\u1ea5t x\u01a1 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t ch\u1ea5t dinh d\u01b0\u1ee1ng ph\u1ee5 tr\u1ee3 m\u00e0 c\u00f2n l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a ch\u1ebf \u0111\u1ed9 \u0103n c\u00e2n b\u1eb1ng cho \u0111\u1ed9ng v\u1eadt d\u1ea1 d\u00e0y \u0111\u01a1n. Tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c lo\u00e0i, ch\u1ebf \u0111\u1ed9 \u0103n hi\u1ec7n t\u1ea1i \u1edf Th\u00e1i Lan v\u00e0 Vi\u1ec7t Nam th\u1ea5p h\u01a1n 3\u20135% so v\u1edbi m\u1ee5c ti\u00eau NDF li\u00ean h\u1ec7 \u1edf tr\u00ean, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong ch\u1ebf \u0111\u1ed9 \u0103n gi\u00e0u n\u0103ng l\u01b0\u1ee3ng cho heo con, g\u00e0 th\u1ecbt v\u00e0 n\u00e1i nu\u00f4i con. T\u00ecnh tr\u1ea1ng thi\u1ebfu ch\u1ea5t x\u01a1 c\u00f3 th\u1ec3 c\u00f2n nghi\u00eam tr\u1ecdng h\u01a1n khi s\u1eed d\u1ee5ng g\u1ea1o t\u1ea5m, v\u1ed1n r\u1ea5t ngh\u00e8o ch\u1ea5t x\u01a1.<\/p>\n\n\n\n

    L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u0103ng m\u1ee9c NDF ?<\/strong><\/p>\n\n\n\n

    Vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau v\u1ec1 ch\u1ea5t x\u01a1 n\u00e0y v\u1edbi c\u00e1c nguy\u00ean li\u1ec7u ti\u00eau chu\u1ea9n l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y minh h\u1ecda h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t x\u01a1 c\u1ee7a c\u00e1c nguy\u00ean li\u1ec7u ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf Ch\u00e2u \u00c1 v\u1edbi t\u1ef7 l\u1ec7 ch\u1ea5t x\u01a1 kh\u00f4ng l\u00ean men. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y th\u1ec3 hi\u1ec7n ph\u1ea1m vi trung b\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o trong c\u00e1c \u1ea5n ph\u1ea9m v\u00e0 b\u1ea3ng d\u1eef li\u1ec7u th\u1ee9c \u0103n cho c\u00e1c nguy\u00ean li\u1ec7u Ch\u00e2u \u00c1; tuy nhi\u00ean, th\u00e0nh ph\u1ea7n ch\u1ea5t x\u01a1 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u t\u00f9y theo ngu\u1ed3n g\u1ed1c, quy tr\u00ecnh ch\u1ebf bi\u1ebfn v\u00e0 b\u1ea3o qu\u1ea3n, v\u00e0 lu\u00f4n c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1eb1ng ph\u00e2n t\u00edch ph\u00f2ng th\u00ed nghi\u1ec7m c\u00e1c l\u00f4 nguy\u00ean li\u1ec7u th\u00f4 c\u1ee5 th\u1ec3 tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng trong c\u00f4ng th\u1ee9c th\u1ee9c \u0103n. Nutrispices cung c\u1ea5p d\u1ecbch v\u1ee5 ph\u00e2n t\u00edch n\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 d\u1eef li\u1ec7u ch\u1ea5t x\u01a1 trong c\u00e1c nguy\u00ean li\u1ec7u c\u1ee7a m\u00ecnh. \u0110\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean l\u1ea1c v\u1edbi t\u00f4i v\u00e0 g\u1eedi m\u1eabu c\u1ee7a b\u1ea1n \u0111\u1ec3 ph\u00e2n t\u00edch.<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u0110i\u1ec1u n\u00e0y cho th\u1ea5y t\u1ea1i sao vi\u1ec7c ch\u1ec9 d\u1ef1a v\u00e0o nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau v\u1ec1 h\u00e0m l\u01b0\u1ee3ng x\u01a1 l\u00e0 kh\u00f4ng th\u1ef1c t\u1ebf. C\u00e1c nguy\u00ean li\u1ec7u ch\u00ednh nh\u01b0 ng\u00f4, b\u00e3 \u0111\u1eadu n\u00e0nh (SBM), g\u1ea1o t\u1ea5m t\u01b0\u01a1ng \u0111\u1ed1i ngh\u00e8o ch\u1ea5t x\u01a1, \u0111\u1eb7c bi\u1ec7t l\u00e0 x\u01a1 kh\u00f4ng tan\/kh\u00f4ng l\u00ean men. N\u1ebfu d\u00f9ng c\u00e1m g\u1ea1o, DDGS, kh\u00f4 c\u1ecd d\u1ea7u ho\u1eb7c kh\u00f4 d\u1eeba, h\u00e0m l\u01b0\u1ee3ng b\u1ed5 sung ph\u1ea3i cao \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng, protein v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a nguy\u00ean li\u1ec7u li\u00ean quan \u0111\u1ebfn \u0111\u1ed9c t\u1ed1 n\u1ea5m m\u1ed1c. \u0110i\u1ec1u n\u00e0y v\u1eeba kh\u00f4ng th\u1ef1c t\u1ebf v\u1eeba kh\u00f4ng kinh t\u1ebf.<\/p>\n\n\n\n

    H\u01a1n n\u1eefa, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m so\u00e1t s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa c\u00e1c ngu\u1ed3n ch\u1ea5t x\u01a1 l\u00ean men v\u00e0 kh\u00f4ng l\u00ean men. S\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u l\u00e0 \u00edt nh\u1ea5t 50% ch\u1ea5t x\u01a1 kh\u00f4ng tan tr\u00ean t\u1ed5ng l\u01b0\u1ee3ng ch\u1ea5t x\u01a1, n\u1ebfu kh\u00f4ng, ch\u1ebf \u0111\u1ed9 \u0103n s\u1ebd tr\u1edf n\u00ean qu\u00e1 d\u1ec5 l\u00ean men, d\u1eabn \u0111\u1ebfn ph\u00e2n \u01b0\u1edbt, v\u1eadt nu\u00f4i c\u1ea3m th\u1ea5y \u0103n kh\u00f4ng \u0111\u1ee7 no v\u00e0 l\u01b0\u1ee3ng th\u1ee9c \u0103n ti\u00eau th\u1ee5 th\u1ea5p h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf v\u00f9ng kh\u00ed h\u1eadu n\u00f3ng. C\u00e1c nguy\u00ean li\u1ec7u ch\u00ednh nh\u01b0 b\u00e3 \u0111\u1eadu n\u00e0nh (SBM) v\u00e0 g\u1ea1o t\u1ea5m ch\u1ee7 y\u1ebfu mang l\u1ea1i m\u1ed9t s\u1ed1 ch\u1ea5t x\u01a1 h\u00f2a tan v\u00e0 l\u00ean men, v\u00e0 khi ch\u00fang ta xem x\u00e9t vi\u1ec7c b\u1ed5 sung ch\u1ea5t x\u01a1 v\u00e0o ch\u1ebf \u0111\u1ed9 \u0103n, c\u00e1c chuy\u00ean gia dinh d\u01b0\u1ee1ng n\u00ean t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o vi\u1ec7c cung c\u1ea5p ngu\u1ed3n ch\u1ea5t x\u01a1 kh\u00f4ng tan c\u00f4 \u0111\u1eb7c.<\/p>\n\n\n\n

    Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ch\u1ea5t x\u01a1 \u0111\u1ec1u nh\u01b0 nhau. Trong s\u1ed1 c\u00e1c ngu\u1ed3n c\u00f4 \u0111\u1eb7c, lignocellulose \u0111\u00e3 thu h\u00fat s\u1ef1 ch\u00fa \u00fd nh\u1edd c\u01a1 ch\u1ebf t\u00e1c d\u1ee5ng hi\u1ec7u qu\u1ea3 v\u00e0 \u1ed5n \u0111\u1ecbnh. \u0110\u1ea7u ti\u00ean, lignocellulose ch\u1ee9a ch\u1ee7 y\u1ebfu l\u00e0 ch\u1ea5t x\u01a1 kh\u00f4ng h\u00f2a tan (95%) v\u00e0 c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa ch\u1ea5t x\u01a1 kh\u00f4ng h\u00f2a tan v\u00e0 ch\u1ea5t x\u01a1 h\u00f2a tan trong ch\u1ebf \u0111\u1ed9 \u0103n. \u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u, c\u1ea7n xem x\u00e9t hai th\u00f4ng s\u1ed1 kh\u00e1c: k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc (WHC).<\/p>\n\n\n\n

    K\u00edch th\u01b0\u1edbc h\u1ea1t<\/strong><\/p>\n\n\n\n

    \"\"<\/figure>
    \n

    \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ph\u00e2n bi\u1ec7t hai k\u00edch th\u01b0\u1edbc h\u1ea1t. K\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft l\u1eadp th\u00f4ng qua qu\u00e1 tr\u00ecnh vi h\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 sinh l\u00fd. V\u00ec lo\u1ea1i b\u1ed9t n\u00e0y qu\u00e1 nh\u1eb9 \u0111\u1ec3 v\u1eadn chuy\u1ec3n hi\u1ec7u qu\u1ea3, c\u00e1c s\u1ee3i \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh vi\u00ean v\u00e0 nghi\u1ec1n nh\u1ecf, \u0111\u00f3 l\u00e0 nh\u1eefng g\u00ec kh\u00e1ch h\u00e0ng nh\u00ecn th\u1ea5y trong bao. Nh\u1eefng vi\u00ean th\u1ee9c \u0103n v\u1ee5n n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ed3n tr\u1ed9n ho\u1eb7c nghi\u1ec1n l\u1ea1i n\u1ebfu c\u1ea7n. Khi vi\u00ean th\u1ee9c \u0103n \u0111\u1ebfn d\u1ea1 d\u00e0y, ch\u00fang s\u1ebd v\u1ee1 ra v\u00e0 gi\u1ea3i ph\u00f3ng c\u00e1c h\u1ea1t s\u01a1 c\u1ea5p. Ch\u00ednh k\u00edch th\u01b0\u1edbc n\u00e0y trong ru\u1ed9t k\u00edch th\u00edch nhu \u0111\u1ed9ng ru\u1ed9t hi\u1ec7u qu\u1ea3, ki\u1ec3m so\u00e1t ch\u1ea5t nh\u1ea7y, t\u1ea1o c\u1ea3m gi\u00e1c no v\u00e0 duy tr\u00ec s\u1ee9c kh\u1ecfe \u0111\u01b0\u1eddng ru\u1ed9t.<\/p>\n<\/div><\/div>\n\n\n\n

    \u0110\u1ec3 t\u1ed1i \u01b0u v\u1eadn chuy\u1ec3n, \u0111\u1ed1i v\u1edbi l\u1ee3n con k\u00edch th\u01b0\u1edbc h\u1ea1t lignocellulose t\u1ed1t nh\u1ea5t n\u00ean v\u00e0o kho\u1ea3ng 200\u2013300 \u00b5m v\u00e0 \u0111\u1ed1i v\u1edbi l\u1ee3n tr\u01b0\u1edfng th\u00e0nh l\u00e0 500 \u00b5m. \u0110\u1ed1i v\u1edbi gia c\u1ea7m, c\u1ea7n c\u00e1c h\u1ea1t l\u1edbn h\u01a1n \u0111\u1ec3 k\u00edch th\u00edch m\u1ec1, v\u1edbi ph\u1ea1m vi hi\u1ec7u qu\u1ea3 t\u1eeb 300\u2013800 \u00b5m (trung b\u00ecnh l\u00e0 600 \u00b5m). D\u1ecdc theo ru\u1ed9t, c\u00e1c h\u1ea1t nh\u1ecf h\u01a1n (<100 \u00b5m) gi\u00fap gi\u1eef n\u01b0\u1edbc v\u00e0 gi\u00fap th\u00fac \u0111\u1ea9y nh\u1eb9 qu\u00e1 tr\u00ecnh l\u00ean men trong \u0111\u1ea1i tr\u00e0ng.<\/p>\n\n\n\n

    Lo\u1ea1i lignocellulose t\u1ed1t nh\u1ea5t l\u00e0 lo\u1ea1i ph\u00e2n h\u1ee7y theo ti\u1ebfn tr\u00ecnh: c\u00f2n \u0111\u1ee7 x\u01a1 th\u00f4 trong ru\u1ed9t non \u0111\u1ec3 k\u00edch th\u00edch nhu \u0111\u1ed9ng ru\u1ed9t v\u00e0 ch\u1ee9c n\u0103ng m\u1ec1, sau \u0111\u00f3 d\u1ea7n d\u1ea7n gi\u1ea3i ph\u00f3ng c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc \u1edf ru\u1ed9t gi\u00e0. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c s\u1ee3i x\u01a1 ph\u00e2n h\u1ee7y qu\u00e1 nhanh th\u00e0nh h\u1ea1t m\u1ecbn <100 \u00b5m s\u1ebd b\u1ecb m\u1ea5t t\u00e1c d\u1ee5ng c\u01a1 h\u1ecdc qu\u00e1 s\u1edbm, d\u1eabn \u0111\u1ebfn t\u00e1c d\u1ee5ng k\u00e9m h\u01a1n trong vi\u1ec7c c\u1ea1o ru\u1ed9t, k\u00edch ho\u1ea1t v\u1eadn chuy\u1ec3n trong ru\u1ed9t, ho\u1eb7c ph\u00e1t tri\u1ec3n m\u1ec1.<\/p>\n\n\n\n

    Kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc:<\/strong><\/p>\n\n\n\n

    Kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc (WHC \u2013 water holding capacity) ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 ng\u1eadm n\u01b0\u1edbc c\u1ee7a ch\u1ea5t x\u01a1 nh\u1edd mao d\u1eabn v\u00e0 t\u1ea1o th\u1ec3 t\u00edch trong ru\u1ed9t. N\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t: khi ch\u1ea5t x\u01a1 ph\u00e2n h\u1ee7y th\u00e0nh c\u00e1c m\u1ea3nh nh\u1ecf h\u01a1n, kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc c\u1ee7a ch\u00fang t\u0103ng l\u00ean.<\/p>\n\n\n\n

    S\u1ef1 gia t\u0103ng d\u1ea7n d\u1ea7n kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf. \u1ede ph\u1ea7n g\u1ea7n ru\u1ed9t non (t\u00e1 tr\u00e0ng, \u0111\u1ea1i tr\u00e0ng g\u1ea7n), c\u00e1c enzyme v\u1eabn \u0111\u01b0\u1ee3c c\u00f4 \u0111\u1eb7c \u0111\u1ec3 ti\u00eau h\u00f3a hi\u1ec7u qu\u1ea3. \u1ede ru\u1ed9t gi\u00e0, vi\u1ec7c gi\u1ea3i ph\u00f3ng d\u1ea7n d\u1ea7n c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n gi\u00fap t\u0103ng c\u01b0\u1eddng gi\u1eef n\u01b0\u1edbc ch\u00ednh x\u00e1c t\u1ea1i v\u1ecb tr\u00ed c\u1ea7n thi\u1ebft, ph\u1ea7n tr\u01b0\u1edbc \u0111\u1ea1i tr\u00e0ng, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m, s\u1ee9c kh\u1ecfe \u0111\u1ea1i tr\u00e0ng v\u00e0 \u0111\u1ed9 \u0111\u1eb7c c\u1ee7a ph\u00e2n.<\/p>\n\n\n\n

    Khi ch\u1ea5t x\u01a1 gi\u1eef qu\u00e1 nhi\u1ec1u n\u01b0\u1edbc v\u00e0 qu\u00e1 s\u1edbm, h\u1ed7n d\u1ecbch ti\u00eau h\u00f3a s\u1ebd b\u1ecb lo\u00e3ng, ho\u1ea1t \u0111\u1ed9ng c\u1ee7a enzyme b\u1ecb gi\u1ea3m v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t dinh d\u01b0\u1ee1ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n\n\n

    David SERENE<\/strong><\/p>\n\n\n\n

    Gi\u00e1m \u0111\u1ed1c Nutrispices<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

    Trong dinh d\u01b0\u1ee1ng \u0111\u1ed9ng v\u1eadt, ch\u1ea5t x\u01a1 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t ph\u1ea7n polysaccharides trong kh\u1ea9u ph\u1ea7n kh\u00f4ng ti\u00eau h\u00f3a b\u1edfi c\u00e1c enzyme c\u1ee7a ru\u1ed9t non. Thay v\u00e0o \u0111\u00f3, c\u00e1c carbohydrate ph\u1ee9c t\u1ea1p n\u00e0y ho\u1eb7c \u0111i \u0111\u1ebfn \u0111\u1ea1i tr\u00e0ng, n\u01a1i ch\u00fang \u0111\u01b0\u1ee3c l\u00ean men b\u1edfi h\u1ec7 vi sinh \u0111\u01b0\u1eddng ru\u1ed9t, ho\u1eb7c ch\u00fang v\u1eabn kh\u00f4ng l\u00ean men v\u00e0 \u0111\u01b0\u1ee3c b\u00e0i ti\u1ebft qua ph\u00e2n. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y d\u1eabn \u0111\u1ebfn hai ph\u00e2n lo\u1ea1i: ch\u1ea5t x\u01a1 l\u00ean men, t\u1ea1o ra c\u00e1c axit b\u00e9o chu\u1ed7i ng\u1eafn c\u00f3 l\u1ee3i trong qu\u00e1 tr\u00ecnh l\u00ean men, v\u00e0 x\u01a1 kh\u00f4ng l\u00ean men, cung c\u1ea5p kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u00edch nhu \u0111\u1ed9ng ru\u1ed9t Th\u00e1ch th\u1ee9c \u1edf ch\u00e2u \u00c1 l\u00e0 kh\u1ea9u ph\u1ea7n ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean g\u1ea1o, ng\u00f4 v\u00e0 b\u00e3 \u0111\u1eadu n\u00e0nh, cung c\u1ea5p qu\u00e1 \u00edt ch\u1ea5t x\u01a1 kh\u00f4ng tan. K\u1ebft qu\u1ea3 l\u00e0, kh\u1ea9u ph\u1ea7n thi\u1ebfu ch\u1ea5t x\u01a1 v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng. \u1ede Th\u00e1i Lan v\u00e0 Vi\u1ec7t Nam, n\u01a1i kh\u1ea9u ph\u1ea7n d\u1ef1a tr\u00ean ng\u00f4 \u2013 b\u00e3 \u0111\u1eadu n\u00e0nh chi\u1ebfm \u01b0u th\u1ebf, t\u1ed5ng l\u01b0\u1ee3ng ch\u1ea5t x\u01a1 (TDF \u2013 Total Dietary Fibers) trong kh\u1ea9u ph\u1ea7n th\u01b0\u1eddng l\u00e0 2\u20133% x\u01a1 th\u00f4 (CF) v\u00e0 6\u201310% x\u01a1 trung t\u00ednh (NDF). Khi c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng d\u1ec5 ti\u00eau h\u00f3a \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 \u1edf ru\u1ed9t non, ch\u1ea5t x\u01a1 tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu \u1edf ru\u1ed9t gi\u00e0, th\u01b0\u1eddng chi\u1ebfm h\u01a1n 60% l\u01b0\u1ee3ng v\u1eadt ch\u1ea5t kh\u00f4 c\u00f2n l\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0, ngay c\u1ea3 khi ch\u1ea5t x\u01a1 ch\u1ec9 chi\u1ebfm m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ecf trong kh\u1ea9u ph\u1ea7n khi n\u1ea1p v\u00e0o, th\u00ec khi th\u1ee9c \u0103n ti\u00eau h\u00f3a \u0111\u1ebfn ru\u1ed9t gi\u00e0, n\u00f3 v\u1eabn chi\u1ebfm t\u1ef7 l\u1ec7 \u01b0u th\u1ebf. M\u1eb7c d\u00f9 c\u00f3 vai tr\u00f2 thi\u1ebft y\u1ebfu n\u00e0y, vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t x\u01a1 trong dinh d\u01b0\u1ee1ng d\u1ea1 d\u00e0y \u0111\u01a1n v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5, v\u00e0 nh\u1eefng quan ni\u1ec7m sai l\u1ea7m v\u1eabn ti\u1ebfp t\u1ee5c lan truy\u1ec1n. Ch\u1ea5t x\u01a1 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/p>\n","protected":false},"author":4,"featured_media":1479,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36],"tags":[136,137],"class_list":["post-2124","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nutricles-vi","tag-david-serene-vi","tag-nutricle-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/posts\/2124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/comments?post=2124"}],"version-history":[{"count":3,"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/posts\/2124\/revisions"}],"predecessor-version":[{"id":2218,"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/posts\/2124\/revisions\/2218"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/media\/1479"}],"wp:attachment":[{"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/media?parent=2124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/categories?post=2124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nutrispices.com\/vi\/wp-json\/wp\/v2\/tags?post=2124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}