{"id":137012,"date":"2026-04-02T16:16:39","date_gmt":"2026-04-02T08:16:39","guid":{"rendered":"https:\/\/www.alpapowder.com\/137012\/"},"modified":"2026-04-02T16:16:39","modified_gmt":"2026-04-02T08:16:39","slug":"che-bien-bot-konjac","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/137012\/","title":{"rendered":"Ch\u1ebf bi\u1ebfn b\u1ed9t Konjac"},"content":{"rendered":"

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Th\u00e0nh ph\u1ea7n ch\u1ee9c n\u0103ng ch\u00ednh trong c\u00e2y konjac (khoai n\u01b0a) l\u00e0 glucomannan (KGM), chi\u1ebfm kho\u1ea3ng 60% t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a n\u00f3. Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, glucomannan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 m\u1ed9t nguy\u00ean li\u1ec7u th\u00f4 ho\u1eb7c \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn th\u00e0nh ph\u1ee5 gia th\u1ef1c ph\u1ea9m trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m kh\u00e1c nhau\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1eadu ph\u1ee5 konjac, \u0111\u1ed3 u\u1ed1ng t\u1ed1t cho s\u1ee9c kh\u1ecfe v\u00e0 kem. Tr\u00ean quy m\u00f4 c\u00f4ng nghi\u1ec7p, nh\u1edd \u0111\u1eb7c t\u00ednh h\u00fat n\u01b0\u1edbc v\u00e0 tr\u01b0\u01a1ng n\u1edf v\u01b0\u1ee3t tr\u1ed9i, glucomannan \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c quy tr\u00ecnh d\u1ec7t may v\u00e0 nhu\u1ed9m. Trong l\u0129nh v\u1ef1c y t\u1ebf, n\u01b0\u1edbc ta t\u1eeb l\u00e2u \u0111\u00e3 s\u1eed d\u1ee5ng konjac cho c\u00e1c m\u1ee5c \u0111\u00edch ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, d\u00f9ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 \u0111i\u1ec1u tr\u1ecb c\u00e1c ch\u1ee9ng b\u1ec7nh nh\u01b0 hen suy\u1ec5n, ho, b\u1ecfng, \u0111au th\u1eaft ng\u1ef1c v\u00e0 nhi\u1ec1u b\u1ec7nh l\u00fd v\u1ec1 da kh\u00e1c nhau. H\u01a1n n\u1eefa, n\u00f3 c\u00f2n s\u1edf h\u1eefu h\u00e0ng lo\u1ea1t c\u00f4ng d\u1ee5ng h\u1eefu \u00edch\u2014bao g\u1ed3m h\u1ed7 tr\u1ee3 mi\u1ec5n d\u1ecbch, ch\u1ed1ng ung th\u01b0, ki\u1ec3m so\u00e1t c\u00e2n n\u1eb7ng, ch\u1ed1ng oxy h\u00f3a, \u0111i\u1ec1u h\u00f2a lipid m\u00e1u, h\u1ea1 \u0111\u01b0\u1eddng huy\u1ebft v\u00e0 gi\u1ea3i \u0111\u1ed9c\u2014nh\u1edd \u0111\u00f3 tr\u1edf th\u00e0nh th\u1ef1c ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u hi\u1ec7n nay ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o hai ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n b\u1ed9t konjac: ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt. Ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n kh\u00f4 ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc \u0111\u1ec3 nghi\u1ec1n nh\u1ecf c\u1ee7 konjac; t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc h\u1ea1t mong mu\u1ed1n, quy tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh hai lo\u1ea1i: nghi\u1ec1n th\u00f4 v\u00e0 nghi\u1ec1n m\u1ecbn. Lo\u1ea1i th\u1ee9 nh\u1ea5t t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o vi\u1ec7c ph\u00e1 v\u1ee1 c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, t\u1ea1o ra b\u1ed9t konjac v\u1edbi \u0111\u1ed9 m\u1ecbn (k\u00edch th\u01b0\u1edbc m\u1eaft s\u00e0ng) ch\u1ec9 dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb 30 \u0111\u1ebfn 60 mesh. Ng\u01b0\u1ee3c l\u1ea1i, lo\u1ea1i th\u1ee9 hai bao g\u1ed3m vi\u1ec7c \u0111\u01b0a c\u00e1c m\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u1ec1n s\u01a1 b\u1ed9 v\u00e0o giai \u0111o\u1ea1n tinh ch\u1ebf ti\u1ebfp theo b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p h\u01a1n, nh\u1eb1m t\u1ea1o ra b\u1ed9t konjac “tinh ch\u1ebf” (ho\u1eb7c “si\u00eau m\u1ecbn”) v\u1edbi d\u1ea3i k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n

Nghi\u1ec1n b\u1eb1ng va \u0111\u1eadp c\u01a1 h\u1ecdc<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n b\u1eb1ng va \u0111\u1eadp c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c quy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh hai c\u1ea5u h\u00ecnh ch\u00ednh: tr\u1ee5c \u0111\u1ee9ng v\u00e0 tr\u1ee5c ngang. C\u00e1c nghi\u00ean c\u1ee9u th\u1ef1c hi\u1ec7n tr\u00ean c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u nh\u01b0 th\u00e2n c\u00e2y tr\u1ed3ng v\u00e0 d\u01b0\u1ee3c li\u1ec7u \u0110\u00f4ng y cho th\u1ea5y r\u1eb1ng, khi c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ecbn cao h\u01a1n cho b\u1ed9t konjac, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n va \u0111\u1eadp c\u01a1 h\u1ecdc c\u00f3 h\u1ed7 tr\u1ee3 c\u1ee7a nit\u01a1 l\u1ecfng. K\u1ef9 thu\u1eadt n\u00e0y gi\u00fap ph\u00e1 v\u1ee1 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 c\u1ea5u tr\u00fac t\u1ebf b\u00e0o kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t b\u00ean trong b\u1ed9t konjac \u0111\u00e3 qua tinh ch\u1ebf, qua \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 nghi\u1ec1n m\u1ecbn v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n

Nghi\u1ec1n b\u1eb1ng rung \u0111\u1ed9ng<\/p>\n

C\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn b\u1eb1ng rung \u0111\u1ed9ng s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t nghi\u1ec1n (bi) c\u00f3 h\u00ecnh c\u1ea7u ho\u1eb7c h\u00ecnh tr\u1ee5 \u0111\u1ec3 x\u1eed l\u00fd v\u1eadt li\u1ec7u. Th\u00f4ng qua c\u00e1c l\u1ef1c t\u00e1c \u0111\u1ed9ng\u2014bao g\u1ed3m l\u1ef1c va \u0111\u1eadp, l\u1ef1c ma s\u00e1t v\u00e0 l\u1ef1c c\u1eaft\u2014\u0111\u01b0\u1ee3c sinh ra b\u1edfi c\u00e1c rung \u0111\u1ed9ng t\u1ed1c \u0111\u1ed9 cao, v\u1eadt li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c nghi\u1ec1n nh\u1ecf \u0111\u1ebfn tr\u1ea1ng th\u00e1i si\u00eau m\u1ecbn. M\u00e1y Nghi\u1ec1n Bi<\/p>\n

M\u00e1y nghi\u1ec1n bi h\u00e0nh tinh, v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh d\u1ea1ng n\u1eb1m ngang v\u00e0 th\u1eb3ng \u0111\u1ee9ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 tr\u1ed9n v\u1eadt li\u1ec7u, nghi\u1ec1n m\u1ecbn, chu\u1ea9n b\u1ecb m\u1eabu nh\u1ecf, ph\u00e2n t\u00e1n h\u1ea1t nano v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c v\u1eadt li\u1ec7u c\u00f4ng ngh\u1ec7 cao. C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y nghi\u1ec1n bi d\u1ef1a tr\u00ean s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c m\u00f4i ch\u1ea5t nghi\u1ec1n (c\u00e1c vi\u00ean bi) v\u00e0 l\u1edbp v\u1eadt li\u1ec7u b\u00e1m tr\u00ean th\u00e0nh trong c\u1ee7a c\u1ed1i nghi\u1ec1n; d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a tr\u1ecdng l\u1ef1c, l\u1ef1c ly t\u00e2m v\u00e0 l\u1ef1c ma s\u00e1t, c\u00e1c vi\u00ean bi n\u00e0y va ch\u1ea1m, n\u00e9n \u00e9p v\u00e0 m\u00e0i m\u00f2n v\u1eadt li\u1ec7u, qua \u0111\u00f3 khi\u1ebfn v\u1eadt li\u1ec7u b\u1ecb ph\u00e2n m\u1ea3nh d\u1ea7n d\u1ea7n.<\/p>\n

Nghi\u1ec1n b\u1eb1ng Lu\u1ed3ng Kh\u00ed<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n b\u1eb1ng lu\u1ed3ng kh\u00ed s\u1eed d\u1ee5ng m\u1ed9t lu\u1ed3ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 va ch\u1ea1m l\u1eabn nhau v\u00e0 t\u1ea1o ra ma s\u00e1t gi\u1eefa c\u00e1c h\u1ea1t v\u1eadt li\u1ec7u. Khi \u0111\u1ed9ng n\u0103ng t\u1eeb b\u00ean ngo\u00e0i v\u01b0\u1ee3t qu\u00e1 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng n\u1ed9i t\u1ea1i c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1eafng l\u1ef1c li\u00ean k\u1ebft ph\u00e2n t\u1eed, c\u00e1c v\u1ebft n\u1ee9t vi m\u00f4 s\u1ebd lan truy\u1ec1n b\u00ean trong c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a b\u1ed9t konjac tinh ch\u1ebf. Qu\u00e1 tr\u00ecnh n\u00e0y ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac t\u1ebf b\u00e0o, l\u00e0m l\u1ed9 ra h\u00e0m l\u01b0\u1ee3ng glucomannan b\u00ean trong v\u00e0 nh\u1edd \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau nghi\u1ec1n si\u00eau m\u1ecbn. M\u1ed9t thi\u1ebft b\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch n\u00e0y l\u00e0 m\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed \u00e1p su\u1ea5t cao d\u1ea1ng tuabin. Trong qu\u00e1 tr\u00ecnh nghi\u1ec1n, lu\u1ed3ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111i qua c\u00e1c v\u00f2i phun s\u1ebd tr\u1ea3i qua hi\u1ec7u \u1ee9ng gi\u00e3n n\u1edf \u0111o\u1ea1n nhi\u1ec7t Joule-Thomson; \u0111i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng nhi\u1ec7t \u0111\u1ed9 b\u00ean trong v\u1eabn duy tr\u00ec \u1edf m\u1ee9c nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, ng\u0103n ng\u1eeba s\u1ef1 sinh nhi\u1ec7t qu\u00e1 m\u1ee9c v\u1ed1n c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m ho\u1eb7c thay \u0111\u1ed5i c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nghi\u1ec1n b\u1eb1ng lu\u1ed3ng kh\u00ed s\u1eed d\u1ee5ng m\u1ed9t lu\u1ed3ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 va ch\u1ea1m l\u1eabn nhau v\u00e0 ma s\u00e1t gi\u1eefa c\u00e1c h\u1ea1t v\u1eadt li\u1ec7u.<\/p>\n","protected":false},"author":7,"featured_media":136987,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-137012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/137012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=137012"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/137012\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/136987"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=137012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=137012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=137012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}