{"id":1654,"date":"2025-10-07T10:12:18","date_gmt":"2025-10-07T03:12:18","guid":{"rendered":"https:\/\/icfood.vn\/hp\/?p=1654"},"modified":"2025-10-15T11:56:23","modified_gmt":"2025-10-15T04:56:23","slug":"len-men-trai-cay-qua-trinh-sinh-hoc-va-ung-dung-trong-cong-nghiep-che-bien-thuc-pham","status":"publish","type":"post","link":"https:\/\/icfood.vn\/hp\/2025\/10\/07\/len-men-trai-cay-qua-trinh-sinh-hoc-va-ung-dung-trong-cong-nghiep-che-bien-thuc-pham\/","title":{"rendered":"L\u00ean men tr\u00e1i c\u00e2y: qu\u00e1 tr\u00ecnh sinh h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m"},"content":{"rendered":"\n<p>L\u00ean men l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh sinh h\u1ecdc trong \u0111\u00f3 vi sinh v\u1eadt, ch\u1ee7 y\u1ebfu l\u00e0 n\u1ea5m men ho\u1eb7c vi khu\u1ea9n, chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c nh\u01b0 r\u01b0\u1ee3u, axit h\u1eefu c\u01a1 ho\u1eb7c kh\u00ed. \u0110\u1ed1i v\u1edbi tr\u00e1i c\u00e2y, qu\u00e1 tr\u00ecnh l\u00ean men kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m m\u00e0 c\u00f2n t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao nh\u01b0 r\u01b0\u1ee3u tr\u00e1i c\u00e2y, gi\u1ea5m tr\u00e1i c\u00e2y, ho\u1eb7c \u0111\u1ed3 u\u1ed1ng l\u00ean men nh\u01b0 kombucha v\u00e0 kefir tr\u00e1i c\u00e2y.<\/p>\n\n\n\n<p>Trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, qu\u00e1 tr\u00ecnh l\u00ean men tr\u00e1i c\u00e2y th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c x\u1eed l\u00fd nguy\u00ean li\u1ec7u: r\u1eeda s\u1ea1ch, nghi\u1ec1n n\u00e1t ho\u1eb7c \u00e9p l\u1ea5y n\u01b0\u1edbc. H\u1ed7n h\u1ee3p tr\u00e1i c\u00e2y sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh pH v\u00e0 h\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng, r\u1ed3i c\u1ea5y men \u0111\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh l\u00ean men. Trong \u0111i\u1ec1u ki\u1ec7n k\u1ef5 kh\u00ed, n\u1ea5m men chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng (ch\u1ee7 y\u1ebfu l\u00e0 glucose v\u00e0 fructose c\u00f3 trong tr\u00e1i c\u00e2y) th\u00e0nh ethanol v\u00e0 CO\u2082. Ngo\u00e0i ra, c\u00e1c h\u1ee3p ch\u1ea5t ph\u1ee5 nh\u01b0 este, aldehyde v\u00e0 acid h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh trong qu\u00e1 tr\u00ecnh l\u00ean men g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean h\u01b0\u01a1ng v\u1ecb \u0111\u1eb7c tr\u01b0ng cho s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-2.png\" alt=\"\" class=\"wp-image-1657\" srcset=\"https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-2.png 800w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-2-300x300.png 300w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-2-150x150.png 150w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-2-768x768.png 768w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-2-75x75.png 75w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-2-480x480.png 480w\" sizes=\"(max-width:767px) 480px, (max-width:800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\">Men vang \u0111\u1ecf rv002 \u2013 gi\u1ea3i ph\u00e1p l\u00ean men chuy\u00ean d\u1ee5ng cho r\u01b0\u1ee3u vang ch\u1ea5t l\u01b0\u1ee3ng cao<\/p>\n\n\n\n<p><strong>Men vang \u0111\u1ecf RV002 (Saccharomyces Cerevisiae)<\/strong> l\u00e0 ch\u1ee7ng n\u1ea5m men \u0111\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn k\u1ef9 l\u01b0\u1ee1ng t\u1eeb thi\u00ean nhi\u00ean, c\u00f3 kh\u1ea3 n\u0103ng l\u00ean men nhanh, \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 cao. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t r\u01b0\u1ee3u vang \u0111\u1ecf, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i nho gi\u00e0u tannins v\u00e0 pigments.<\/p>\n\n\n\n<p><em><u>\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/u><\/em><\/p>\n\n\n\n<p>Men RV002 kh\u00f4ng ch\u1ec9 gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian l\u00ean men m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n h\u00ecnh th\u00e0nh c\u1ea5u tr\u00fac b\u1ec1n v\u1eefng cho r\u01b0\u1ee3u. Trong qu\u00e1 tr\u00ecnh l\u00ean men, ch\u1ee7ng men n\u00e0y t\u1ea1o ra nhi\u1ec1u polysaccharide, gi\u00fap t\u0103ng \u0111\u1ed9 s\u00e1nh m\u1ecbn, \u1ed5n \u0111\u1ecbnh h\u01b0\u01a1ng v\u1ecb v\u00e0 m\u00e0u s\u1eafc. B\u00ean c\u1ea1nh \u0111\u00f3, RV002 c\u00f2n mang l\u1ea1i h\u01b0\u01a1ng th\u01a1m tr\u00e1i c\u00e2y t\u1ef1 nhi\u00ean, l\u00e0m n\u1ed5i b\u1eadt \u0111\u1eb7c tr\u01b0ng ri\u00eang bi\u1ec7t c\u1ee7a r\u01b0\u1ee3u vang \u0111\u1ecf.<\/p>\n\n\n\n<p>Sau khi qu\u00e1 tr\u00ecnh l\u00ean men k\u1ebft th\u00fac, RV002 gi\u00fap \u1ed5n \u0111\u1ecbnh c\u00e1c h\u1ee3p ch\u1ea5t nh\u01b0 pigments, acid amin v\u00e0 glycerol, t\u1eeb \u0111\u00f3 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 tr\u00f2n v\u1ecb v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho qu\u00e1 tr\u00ecnh l\u00ean men malolactic (MLF) ti\u1ebfp theo. Nh\u1edd v\u1eady, r\u01b0\u1ee3u vang th\u00e0nh ph\u1ea9m c\u00f3 m\u00e0u s\u1eafc \u0111\u1eb9p, h\u01b0\u01a1ng v\u1ecb phong ph\u00fa v\u00e0 h\u1eadu v\u1ecb \u00eam d\u1ecbu.<\/p>\n\n\n\n<p><em><u>T\u00ednh ch\u1ea5t k\u1ef9 thu\u1eadt<\/u><\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p: <strong>10 \u2013 30\u00b0C<\/strong><\/li>\n\n\n\n<li>T\u1ec9 l\u1ec7 chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng th\u00e0nh r\u01b0\u1ee3u: <strong>1% Alcohol (v\/v) = 16.8 g\/L \u0111\u01b0\u1eddng<\/strong><\/li>\n\n\n\n<li>Kh\u00e1ng c\u1ed3n: <strong>l\u00ean \u0111\u1ebfn 14% (v\/v)<\/strong><\/li>\n\n\n\n<li>S\u1ea3n sinh Glycerol: <strong>2 g\/L<\/strong><\/li>\n\n\n\n<li>S\u1ea3n sinh acid bay h\u01a1i th\u1ea5p, kh\u00f4ng t\u1ea1o t\u1ea1p ch\u1ea5t, h\u00ecnh th\u00e0nh b\u1ecdt th\u1ea5p<\/li>\n<\/ul>\n\n\n\n<p><em><u>Li\u1ec1u l\u01b0\u1ee3ng s\u1eed d\u1ee5ng<\/u><\/em>: <strong>0,4 g\/1kg tr\u00e1i c\u00e2y ho\u1eb7c 1L d\u1ecbch qu\u1ea3<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-3.png\" alt=\"\" class=\"wp-image-1658\" srcset=\"https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-3.png 600w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-3-300x200.png 300w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-3-113x75.png 113w, https:\/\/icfood.vn\/hp\/wp-content\/uploads\/2025\/10\/len-men-3-480x320.png 480w\" sizes=\"(max-width:767px) 480px, 600px\" \/><\/figure>\n<\/div>\n\n\n<p><em><u>H\u01b0\u1edbng d\u1eabn \u1ee9ng d\u1ee5ng<\/u><\/em><\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi cho v\u00e0o d\u1ecbch qu\u1ea3, men RV002 c\u1ea7n \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t theo t\u1ef7 l\u1ec7 <strong>1 ph\u1ea7n men : 2 ph\u1ea7n \u0111\u01b0\u1eddng : 10 ph\u1ea7n n\u01b0\u1edbc<\/strong>. H\u00f2a tan h\u1ed7n h\u1ee3p n\u00e0y trong n\u01b0\u1edbc \u1ea5m \u1edf 32\u201337\u00b0C, khu\u1ea5y nh\u1eb9 v\u00e0 \u0111\u1ec3 y\u00ean trong 15 ph\u00fat. Sau \u0111\u00f3, tr\u1ed9n \u0111\u1ec1u v\u1edbi d\u1ecbch qu\u1ea3 \u0111\u1ec3 ti\u1ebfn h\u00e0nh qu\u00e1 tr\u00ecnh l\u00ean men ch\u00ednh.<\/p>\n\n\n\n<p>Men b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh m\u1ebd sau 15\u201330 ph\u00fat, gi\u00fap qu\u00e1 tr\u00ecnh l\u00ean men di\u1ec5n ra nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3. Khi l\u00ean men k\u1ebft th\u00fac, c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh l\u1ecdc, \u1ee7 ho\u1eb7c chi\u1ebft chai.<\/p>\n\n\n\n<p><em><u>\u0110\u00f3ng g\u00f3i v\u00e0 b\u1ea3o qu\u1ea3n<\/u><\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quy c\u00e1ch \u0111\u00f3ng g\u00f3i:<\/strong> 500 g\/g\u00f3i<\/li>\n\n\n\n<li><strong>H\u1ea1n s\u1eed d\u1ee5ng:<\/strong> 24 th\u00e1ng k\u1ec3 t\u1eeb ng\u00e0y s\u1ea3n xu\u1ea5t<\/li>\n\n\n\n<li><strong>B\u1ea3o qu\u1ea3n:<\/strong> n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp.<\/li>\n<\/ul>\n\n\n\n<p><em><u>K\u1ebft lu\u1eadn<\/u><\/em> <\/p>\n\n\n\n<p>Men vang \u0111\u1ecf RV002 l\u00e0 l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o cho nh\u1eefng nh\u00e0 s\u1ea3n xu\u1ea5t r\u01b0\u1ee3u vang mong mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m c\u00f3 m\u00e0u s\u1eafc \u1ed5n \u0111\u1ecbnh, h\u01b0\u01a1ng v\u1ecb h\u00e0i h\u00f2a v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao. V\u1edbi kh\u1ea3 n\u0103ng l\u00ean men m\u1ea1nh m\u1ebd, an to\u00e0n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, RV002 \u0111\u00e3 v\u00e0 \u0111ang tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady trong ng\u00e0nh s\u1ea3n xu\u1ea5t r\u01b0\u1ee3u vang hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u00ean men l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh sinh h\u1ecdc trong \u0111\u00f3 vi sinh v\u1eadt, ch\u1ee7 y\u1ebfu l\u00e0 n\u1ea5m men ho\u1eb7c vi khu\u1ea9n, chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng th\u00e0nh c\u00e1c<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":2,"featured_media":1656,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-1654","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 v26.9 - 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