{"id":8495,"date":"2025-09-29T12:11:30","date_gmt":"2025-09-29T12:11:30","guid":{"rendered":"https:\/\/www.jymachinetech.com\/?p=8495"},"modified":"2026-06-04T03:02:24","modified_gmt":"2026-06-04T03:02:24","slug":"how-candy-belts-are-made-the-sweet-science-behind-manufacturing","status":"publish","type":"post","link":"https:\/\/www.jymachinetech.com\/vi\/how-candy-belts-are-made-the-sweet-science-behind-manufacturing\/","title":{"rendered":"C\u00e1ch l\u00e0m k\u1eb9o d\u1ebbo: Khoa h\u1ecdc ng\u1ecdt ng\u00e0o \u0111\u1eb1ng sau qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t"},"content":{"rendered":"
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Khoa H\u1ecdc Ng\u1ecdt Ng\u00e0o: Ph\u00e2n T\u00edch K\u1ef9 Thu\u1eadt V\u1ec1 C\u00e1ch L\u00e0m D\u00e2y K\u1eb9o<\/h2>\n

V\u01b0\u1ee3t ra ngo\u00e0i v\u1ecb ng\u1ecdt v\u00e0 chua<\/p>\n

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D\u00e2y k\u1eb9o tr\u00f4ng \u0111\u01a1n gi\u1ea3n. Ch\u1ec9 l\u00e0 m\u1ed9t d\u1ea3i ph\u1eb3ng c\u1ee7a k\u1eb9o d\u1ebbo chua, ph\u1ee7 \u0111\u01b0\u1eddng b\u1ee5i.<\/div>\n
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Nh\u01b0ng c\u00f2n nhi\u1ec1u \u0111i\u1ec1u h\u01a1n th\u1ebf. T\u1eeb g\u00f3c \u0111\u1ed9 k\u1ef9 thu\u1eadt, m\u1ed7i k\u1eb9o<\/a> d\u00e2y l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c. N\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i k\u1eb9o d\u1ebbo \u00e9p, c\u00f3 h\u00e0m l\u01b0\u1ee3ng r\u1eafn cao, \u0111\u01b0\u1ee3c ph\u1ee7 c\u00e1t, xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 c\u00e2n b\u1eb1ng c\u1ea9n th\u1eadn gi\u1eefa h\u00f3a h\u1ecdc v\u00e0 quy tr\u00ecnh c\u01a1 kh\u00ed.<\/div>\n
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B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh \u0111\u00f3. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh v\u00e0 c\u00e1c b\u01b0\u1edbc s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p bi\u1ebfn h\u1ed7n h\u1ee3p th\u00e0nh c\u00e1c d\u1ea3i. B\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 khoa h\u1ecdc c\u1ea3m nh\u1eadn \u0111\u1ed9c \u0111\u00e1o \u0111\u1eb1ng sau k\u1ebft c\u1ea5u v\u00e0 s\u1ef1 gi\u1ea3i ph\u00f3ng h\u01b0\u01a1ng v\u1ecb c\u1ee7a n\u00f3. Ch\u00fang t\u00f4i c\u0169ng s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng quan tr\u1ecdng \u0111\u1ea3m b\u1ea3o m\u1ed7i d\u00e2y \u0111\u1ec1u ho\u00e0n h\u1ea3o<\/a>.<\/div>\n
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H\u00f3a H\u1ecdc Th\u00e0nh Ph\u1ea7n Ch\u00ednh<\/h2>\n
\"K\u1eb9o <\/a><\/div>\n
M\u1ed7i d\u00e2y k\u1eb9o b\u1eaft \u0111\u1ea7u t\u1eeb c\u00f4ng th\u1ee9c pha ch\u1ebf c\u1ee7a n\u00f3. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ch\u1ecdn kh\u00f4ng ch\u1ec9 v\u00ec h\u01b0\u01a1ng v\u1ecb, m\u00e0 c\u00f2n v\u00ec vai tr\u00f2 ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3. Ch\u00fang t\u1ea1o n\u00ean c\u1ea5u tr\u00fac, k\u1ebft c\u1ea5u v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/div>\n
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H\u1ec7 Th\u1ed1ng C\u01a1 S\u1edf C\u1ea5u Tr\u00fac<\/h3>\n
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\u0110\u01b0\u1eddng v\u00e0 siro t\u1ea1o th\u00e0nh ph\u1ea7n l\u1edbn v\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ea5u tr\u00fac c\u1ee7a k\u1eb9o.<\/div>\n
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Sucrose l\u00e0 \u0111\u01b0\u1eddng b\u00e0n th\u00f4ng th\u01b0\u1eddng. N\u00f3 cung c\u1ea5p \u0111\u1ed9 ng\u1ecdt ch\u00ednh v\u00e0 h\u00e0m l\u01b0\u1ee3ng r\u1eafn. \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng k\u1eb9o.<\/div>\n
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Siro ng\u00f4 (ho\u1eb7c siro glucose) l\u00e0 m\u1ed9t ch\u1ea5t \u201c\u0111i\u1ec1u ch\u1ec9nh\u201d quan tr\u1ecdng. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 ki\u1ec3m so\u00e1t v\u00e0 \u1ee9c ch\u1ebf k\u1ebft tinh sucrose<\/a>. \u0110i\u1ec1u n\u00e0y c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft c\u1ea5u m\u1ecbn m\u00e0ng, kh\u00f4ng v\u00f3n c\u1ee5c.<\/div>\n
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\u0110\u01b0\u1eddng \u0111\u1ea3o l\u00e0 h\u1ed7n h\u1ee3p c\u1ee7a glucose v\u00e0 fructose. N\u00f3 c\u0169ng gi\u00fap ki\u1ec3m so\u00e1t k\u1ebft tinh. L\u1ee3i \u00edch ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 t\u00ednh h\u00fat \u1ea9m, ngh\u0129a l\u00e0 n\u00f3 h\u1ea5p th\u1ee5 v\u00e0 gi\u1eef \u1ea9m. \u0110i\u1ec1u n\u00e0y ng\u0103n c\u1ea3n k\u1eb9o kh\u00f4 l\u1ea1i<\/a> v\u00e0 tr\u1edf n\u00ean gi\u00f2n.<\/div>\n
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H\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng t\u1ed5ng c\u1ed9ng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Brix (\u00b0Bx). \u0110\u00e2y l\u00e0 m\u1ed9t tham s\u1ed1 quan tr\u1ecdng. H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i k\u1eb9o d\u1ebbo nh\u01b0 d\u00e2y k\u1eb9o \u0111\u01b0\u1ee3c n\u1ea5u \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 r\u1eafn cu\u1ed1i c\u00f9ng t\u1eeb 75-82\u00b0Bx. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh vi sinh v\u00e0 k\u1ebft c\u1ea5u dai mong mu\u1ed1n.<\/div>\n
\"K\u1eb9o <\/a><\/div>\n

Ma Tr\u1eadn D\u1ebbo Dai<\/h3>\n
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\u0110\u1eb7c tr\u01b0ng c\u1ee7a \u0111\u1ed9 nhai c\u1ee7a d\u00e2y k\u1eb9o \u0111\u1ebfn t\u1eeb m\u1ed9t ch\u1ea5t t\u1ea1o gel. Ch\u1ea5t n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi ba chi\u1ec1u \u0111\u1ec3 gi\u1eef h\u1ed7n h\u1ee3p \u0111\u01b0\u1eddng siro.<\/div>\n
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Gelatin l\u00e0 l\u1ef1a ch\u1ecdn truy\u1ec1n th\u1ed1ng nh\u1ea5t. Ch\u1ea5t \u0111\u1ea1m c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb \u0111\u1ed9ng v\u1eadt n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t gel c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea3o nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 tan ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3. T\u00ednh ch\u1ea5t n\u00e0y ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho \u0111\u1ed9 \u0111\u00e0n h\u1ed3i \u201cnhai\u201d c\u1ed5 \u0111i\u1ec3n v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3i ph\u00f3ng h\u01b0\u01a1ng v\u1ecb tuy\u1ec7t v\u1eddi khi tan ch\u1ea3y trong mi\u1ec7ng.<\/div>\n
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Pectin l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn thay th\u1ebf ph\u1ed5 bi\u1ebfn d\u1ef1a tr\u00ean th\u1ef1c v\u1eadt. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb v\u1ecf cam ho\u1eb7c t\u00e1o. N\u00f3 t\u1ea1o ra m\u1ed9t d\u1ea1ng gel c\u00f3 \u0111\u1eb7c t\u00ednh k\u1ebft c\u1ea5u kh\u00e1c nhau\u2014th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 \u201cng\u1eafn h\u01a1n\u201d ho\u1eb7c m\u1ec1m h\u01a1n. N\u00f3 c\u00f3 c\u1ea3m gi\u00e1c c\u1eafn s\u1ea1ch thay v\u00ec k\u00e9o d\u00e0i, \u0111\u00e0n h\u1ed3i. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c c\u00f4ng th\u1ee9c d\u00e0nh cho ng\u01b0\u1eddi \u0103n chay v\u00e0 thu\u1ea7n chay.<\/div>\n
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\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
\n
\u0110\u1eb7c tr\u01b0ng<\/div>\n<\/td>\n
\n
Gelatin<\/div>\n<\/td>\n
\n
Pectin (Methoxyl cao)<\/div>\n<\/td>\n<\/tr>\n
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Ngu\u1ed3n<\/strong><\/div>\n<\/td>\n
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Th\u1ef1c v\u1eadt (Collagen)<\/div>\n<\/td>\n
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Th\u1ef1c v\u1eadt (Citrus\/T\u00e1o)<\/div>\n<\/td>\n<\/tr>\n
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H\u1ed3 s\u01a1 k\u1ebft c\u1ea5u<\/strong><\/div>\n<\/td>\n
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D\u1ebbo, dai, d\u1ebbo dai<\/div>\n<\/td>\n
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C\u1eafn ng\u1eafn, d\u1ecbu d\u00e0ng, s\u1ea1ch s\u1ebd<\/div>\n<\/td>\n<\/tr>\n
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pH<\/strong> Y\u00eau c\u1ea7u<\/strong><\/div>\n<\/td>\n
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Ph\u1ea1m vi r\u1ed9ng (4.0-9.0)<\/div>\n<\/td>\n
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H\u1eb9p, C\u00f3 t\u00ednh axit (2.8-3.6)<\/div>\n<\/td>\n<\/tr>\n
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Ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi \u0103n chay<\/strong><\/div>\n<\/td>\n
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No<\/div>\n<\/td>\n
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C\u00f3<\/div>\n<\/td>\n<\/tr>\n
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\u0110i\u1ec3m melting<\/strong><\/div>\n<\/td>\n
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Th\u1ea5p (Nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3)<\/div>\n<\/td>\n
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Cao (\u1ed4n \u0111\u1ecbnh nhi\u1ec7t)<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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H\u01b0\u01a1ng V\u1ecb S\u1ea3ng Kho\u00e1i<\/h3>\n
\"C\u00e1ch<\/a><\/div>\n
H\u01b0\u01a1ng v\u1ecb \u0111\u1eadm \u0111\u00e0 c\u1ee7a m\u1ed9t chi\u1ebfc k\u1eb9o d\u1ebbo \u0111\u1ebfn t\u1eeb s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c axit v\u00e0 h\u01b0\u01a1ng li\u1ec7u.<\/div>\n
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Axit th\u1ef1c ph\u1ea9m ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho v\u1ecb chua \u0111\u1eb7c tr\u01b0ng. Axit citric c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb tr\u00e1i c\u00e2y h\u1ecd cam qu\u00fdt. N\u00f3 mang l\u1ea1i c\u1ea3m gi\u00e1c chua s\u1eafc n\u00e9t, ngay l\u1eadp t\u1ee9c. Axit malic c\u00f3 trong qu\u1ea3 t\u00e1o. N\u00f3 t\u1ea1o ra v\u1ecb chua m\u01b0\u1ee3t m\u00e0 h\u01a1n, k\u00e9o d\u00e0i h\u01a1n v\u00e0 t\u0103ng d\u1ea7n theo th\u1eddi gian.<\/div>\n
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\u0110\u1ec3 c\u00f3 h\u1ed3 s\u01a1 chua m\u1ea1nh m\u1ebd v\u00e0 k\u00e9o d\u00e0i nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t trong l\u1edbp m\u00e0i ngo\u00e0i, axit fumaric th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. N\u00f3 c\u00f3 \u0111\u1ed9 h\u00f2a tan th\u1ea5p, v\u00ec v\u1eady tan ch\u1eadm trong mi\u1ec7ng. \u0110i\u1ec1u n\u00e0y k\u00e9o d\u00e0i c\u1ea3m gi\u00e1c chua.<\/div>\n
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H\u01b0\u01a1ng li\u1ec7u cung c\u1ea5p \u0111\u1eb7c tr\u01b0ng c\u1ee7a tr\u00e1i c\u00e2y. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 t\u1ef1 nhi\u00ean ho\u1eb7c nh\u00e2n t\u1ea1o. C\u00e1c h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi nhi\u1ec7t \u0111\u1ed9 cao nhi\u1ec7t c\u1ee7a qu\u00e1 tr\u00ecnh n\u1ea5u \u0103n<\/a>Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i ho\u1eb7c th\u00eam v\u00e0o c\u00e0ng mu\u1ed9n c\u00e0ng t\u1ed1t trong qu\u00e1 tr\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00e1c \u0111\u1ed9ng t\u1ed1i \u0111a trong s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/div>\n
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B\u1ea3n thi\u1ebft k\u1ebf s\u1ea3n xu\u1ea5t<\/h2>\n
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Chuy\u1ec3n \u0111\u1ed5i c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 n\u00e0y th\u00e0nh m\u1ed9t d\u00e2y k\u1eb9o ho\u00e0n ch\u1ec9nh l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh nhi\u1ec1u giai \u0111o\u1ea1n. N\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c<\/a>.<\/div>\n
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1. Pha ch\u1ebf v\u00e0 N\u1ea5u<\/h3>\n
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Qu\u00e1 tr\u00ecnh b\u1eaft \u0111\u1ea7u trong c\u00e1c n\u1ed3i l\u1edbn c\u00f3 l\u1edbp v\u1ecf c\u00e1ch nhi\u1ec7t. N\u01b0\u1edbc, \u0111\u01b0\u1eddng, xi-r\u00f4 ng\u00f4 v\u00e0 ch\u1ea5t gel \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m \u1ea9m tr\u01b0\u1edbc \u0111\u00f3 \u0111\u01b0\u1ee3c tr\u1ed9n theo t\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c.<\/div>\n
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H\u1ed7n h\u1ee3p n\u00e0y \u0111\u01b0\u1ee3c \u0111un n\u00f3ng trong \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m so\u00e1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u1ee5c ti\u00eau. M\u1ee5c ti\u00eau l\u00e0 h\u00f2a tan t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t r\u1eafn v\u00e0 bay h\u01a1i l\u01b0\u1ee3ng n\u01b0\u1edbc d\u01b0 th\u1eeba. \u0110i\u1ec1u n\u00e0y l\u00e0m \u0111\u1eb7c xi-r\u00f4 \u0111\u1ebfn m\u1ee9c Brix mong mu\u1ed1n. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 quy\u1ebft \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m cu\u1ed1i c\u00f9ng v\u00e0 k\u1ebft c\u1ea5u.<\/div>\n
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2. Ngh\u1ec7 thu\u1eadt \u00c9p \u0111\u00f9n<\/h3>\n
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Khi h\u1ed7n h\u1ee3p k\u1eb9o \u0111\u1ea1t \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 v\u00e0 nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p, n\u00f3 \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o m\u00e1y \u00e9p \u0111\u00f9n.<\/div>\n
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\u00c9p \u0111\u00f9n l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u1ea9y kh\u1ed1i k\u1eb9o n\u00f3ng, d\u1ebbo qua m\u1ed9t l\u1ed7 phun \u0111\u1eb7c bi\u1ec7t g\u1ecdi l\u00e0 khu\u00f4n. Khu\u00f4n n\u00e0y c\u00f3 mi\u1ec7ng r\u1ed9ng, ph\u1eb3ng, t\u1ea1o h\u00ecnh h\u1ed7n h\u1ee3p th\u00e0nh d\u1ea1ng \u201cd\u00e2y\u201d ho\u1eb7c \u201cmi\u1ebfng\u201d \u0111\u1eb7c tr\u01b0ng tr\u00ean b\u0103ng chuy\u1ec1n chuy\u1ec3n \u0111\u1ed9ng.<\/div>\n
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\u0110\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m nhi\u1ec1u m\u00e0u ho\u1eb7c nhi\u1ec1u h\u01b0\u01a1ng v\u1ecb, k\u1ef9 thu\u1eadt \u0111\u1ed3ng \u00e9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m c\u1ea5p nhi\u1ec1u d\u00f2ng h\u1ed7n h\u1ee3p k\u1eb9o c\u00f3 m\u00e0u s\u1eafc v\u00e0 h\u01b0\u01a1ng v\u1ecb ri\u00eang bi\u1ec7t v\u00e0o m\u1ed9t khu\u00f4n duy nh\u1ea5t. Khu\u00f4n k\u1ebft h\u1ee3p ch\u00fang th\u00e0nh m\u1ed9t d\u1ea3i s\u1ecdc duy nh\u1ea5t.<\/div>\n
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3. \u0110\u01b0\u1eddng h\u1ea7m l\u00e0m m\u00e1t<\/h3>\n
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C\u00e1c d\u1ea3i k\u1eb9o n\u00f3ng, b\u00e1n l\u1ecfng ngay l\u1eadp t\u1ee9c \u0111i v\u00e0o m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m l\u00e0m m\u00e1t d\u00e0i.<\/div>\n
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\u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 b\u01b0\u1edbc l\u00e0m m\u00e1t th\u1ee5 \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a \u0111\u01b0\u1eddng h\u1ea7m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn \u0111\u1ec3 gi\u00fap thi\u1ebft l\u1eadp m\u1ea1ng l\u01b0\u1edbi gel \u0111\u00fang c\u00e1ch.<\/div>\n
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Khi c\u00e1c d\u1ea3i \u0111i qua \u0111\u01b0\u1eddng h\u1ea7m, ch\u1ea5t gel h\u00ecnh th\u00e0nh khung x\u01b0\u01a1ng \u1ed5n \u0111\u1ecbnh, ba chi\u1ec1u. D\u00f9 l\u00e0 gelatin hay pectin, qu\u00e1 tr\u00ecnh n\u00e0y bi\u1ebfn h\u1ed7n h\u1ee3p l\u1ecfng th\u00e0nh k\u1eb9o c\u1ee9ng, dai. Chi\u1ec1u d\u00e0i c\u1ee7a \u0111\u01b0\u1eddng h\u1ea7m v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a b\u0103ng chuy\u1ec1n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh \u0111\u00f4ng \u0111\u1eb7c ho\u00e0n ch\u1ec9nh v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u.<\/div>\n
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4. \u0110i\u1ec1u ki\u1ec7n v\u00e0 ch\u00e0 x\u00e1t<\/h3>\n
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Sau khi ra kh\u1ecfi \u0111\u01b0\u1eddng h\u1ea7m l\u00e0m m\u00e1t, c\u00e1c d\u1ea3i k\u1eb9o \u0111\u00e3 \u0111\u00f4ng c\u1ee9ng ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 tr\u1ea3i qua m\u1ed9t giai \u0111o\u1ea1n \u0111i\u1ec1u ch\u1ec9nh ng\u1eafn. \u0110i\u1ec1u n\u00e0y gi\u00fap \u1ed5n \u0111\u1ecbnh k\u1ebft c\u1ea5u c\u1ee7a ch\u00fang.<\/div>\n
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Ti\u1ebfp theo l\u00e0 giai \u0111o\u1ea1n ch\u00e0 x\u00e1t. C\u00e1c d\u1ea3i n\u00e0y \u0111i qua m\u1ed9t m\u00e0n ch\u1eafn ho\u1eb7c tr\u1ed1ng l\u0103n ch\u1ee9a \u0111\u01b0\u1eddng chua. L\u1edbp ph\u1ee7 n\u00e0y th\u01b0\u1eddng l\u00e0 h\u1ed7n h\u1ee3p \u0111\u01b0\u1eddng m\u1ecbn v\u00e0 m\u1ed9t lo\u1ea1i axit kh\u00f4, nh\u01b0 axit citric ho\u1eb7c axit fumaric.<\/div>\n
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Vi\u1ec7c ch\u00e0 x\u00e1t n\u00e0y t\u1ea1o ra c\u00fa \u0111\u00e1nh \u0111\u1ea7u ti\u00ean, m\u1ea1nh m\u1ebd c\u1ee7a v\u1ecb chua khi \u0103n. N\u00f3 c\u0169ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong ch\u1ee9c n\u0103ng: ng\u0103n c\u00e1c d\u1ea3i ri\u00eang l\u1ebb d\u00ednh v\u00e0o nhau trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i.<\/div>\n
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5. C\u1eaft v\u00e0 \u0111\u00f3ng g\u00f3i<\/h3>\n
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Trong b\u01b0\u1edbc cu\u1ed1i c\u00f9ng c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, c\u00e1c d\u1ea3i k\u1eb9o d\u00e0i, li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1ea5p v\u00e0o m\u00e1y c\u1eaft t\u1ef1 \u0111\u1ed9ng. L\u01b0\u1ee1i dao t\u1ed1c \u0111\u1ed9 cao c\u1eaft c\u00e1c d\u1ea3i th\u00e0nh c\u00e1c \u0111o\u1ea1n cu\u1ed1i c\u00f9ng ph\u00f9 h\u1ee3p \u0111\u1ec3 ti\u00eau th\u1ee5.<\/div>\n
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C\u00e1c m\u1ea3nh ho\u00e0n thi\u1ec7n n\u00e0y tr\u1ea3i qua ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng v\u1ec1 k\u00edch th\u01b0\u1edbc, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 h\u00ecnh th\u1ee9c. Sau \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng c\u00e2n v\u00e0 \u0111\u00f3ng g\u00f3i t\u1ef1 \u0111\u1ed9ng. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00f3ng g\u00f3i k\u1eb9o<\/a> trong c\u00e1c t\u00fai k\u00edn kh\u00ed \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi \u0111\u1ed9 \u1ea9m v\u00e0 gi\u1eef g\u00ecn h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a s\u1ea3n ph\u1ea9m.<\/div>\n
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Khoa h\u1ecdc c\u1ee7a c\u1ea3m gi\u00e1c<\/h2>\n
\"C\u00e1ch<\/a><\/div>\n
Tr\u1ea3i nghi\u1ec7m \u0103n m\u1ed9t chi\u1ebfc k\u1eb9o d\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n c\u1ea3m gi\u00e1c \u0111\u01b0\u1ee3c d\u00e0n d\u1ef1ng c\u1ea9n th\u1eadn. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf th\u00f4ng qua c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a n\u00f3.<\/div>\n
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K\u1ebft c\u1ea5u \u201cNh\u1eb9 Nh\u00e0ng K\u00e9o\u201d l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecbnh ngh\u0129a. N\u00f3 kh\u00e1c bi\u1ec7t v\u1edbi \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a g\u1ea5u gummy. \u0110i\u1ec1u n\u00e0y ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 k\u1ebft qu\u1ea3 tr\u1ef1c ti\u1ebfp<\/a> c\u1ee7a n\u1ed3ng \u0111\u1ed9 ch\u1ea5t gel h\u00f3a c\u1ee5 th\u1ec3 v\u00e0 h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m. N\u00f3 t\u1ea1o ra m\u1ed9t s\u1ee9c c\u0103ng \u0111\u1eb7c bi\u1ec7t, r\u00e1ch ra v\u1edbi m\u1ed9t l\u1ef1c kh\u00e1ng m\u1ec1m m\u1ea1i, th\u1ecfa m\u00e3n.<\/div>\n
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\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t s\u00f3ng xung k\u00edch chua hai giai \u0111o\u1ea1n.<\/div>\n
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Giai \u0111o\u1ea1n m\u1ed9t l\u00e0 t\u00e1c \u0111\u1ed9ng ban \u0111\u1ea7u. L\u1edbp \u0111\u01b0\u1eddng ch\u00e0 x\u00e1t chua tr\u00ean b\u1ec1 m\u1eb7t tan g\u1ea7n nh\u01b0 ngay l\u1eadp t\u1ee9c trong n\u01b0\u1edbc b\u1ecdt. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i m\u1ed9t c\u00fa b\u00f9ng n\u1ed5 chua s\u1eafc n\u00e9t, c\u01b0\u1eddng \u0111\u1ed9 cao t\u1eeb axit tinh th\u1ec3.<\/div>\n
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Giai \u0111o\u1ea1n hai l\u00e0 \u0111\u1ed9 chua k\u00e9o d\u00e0i. Axit t\u00edch h\u1ee3p trong ma tr\u1eadn k\u1eb9o ch\u00ednh n\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng ch\u1eadm h\u01a1n nhi\u1ec1u. Khi d\u1ea3i k\u1eb9o nhai v\u00e0 gel ph\u00e2n h\u1ee7y, axit n\u1ed9i t\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c ph\u01a1i b\u00e0y. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t h\u01b0\u01a1ng v\u1ecb chua k\u00e9o d\u00e0i, s\u00e2u h\u01a1n h\u00f2a quy\u1ec7n v\u1edbi c\u00e1c h\u01b0\u01a1ng tr\u00e1i c\u00e2y.<\/div>\n
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\u0110\u1ed9ng th\u00e1i gi\u1ea3i ph\u00f3ng h\u01b0\u01a1ng v\u1ecb c\u0169ng ph\u1ee9c t\u1ea1p kh\u00f4ng k\u00e9m. Khi c\u1eafn l\u1ea7n \u0111\u1ea7u, v\u1ee1 tinh th\u1ec3 c\u1ee7a \u0111\u01b0\u1eddng ch\u00e0 x\u00e1t l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ea3m gi\u00e1c n\u1ed5i b\u1eadt. Ngay sau \u0111\u00f3 l\u00e0 c\u00fa s\u1ed1c chua t\u1eeb l\u1edbp ph\u1ee7. Khi b\u1eaft \u0111\u1ea7u nhai, s\u1ee9c k\u00e9o \u0111\u1eb7c tr\u01b0ng c\u1ee7a d\u1ea3i k\u1eb9o tr\u1edf n\u00ean r\u00f5 r\u00e0ng.<\/div>\n
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Ch\u1ec9 sau khi ma tr\u1eadn gel b\u1eaft \u0111\u1ea7u ph\u00e2n h\u1ee7y, c\u00e1c h\u01b0\u01a1ng tr\u00e1i c\u00e2y nh\u00fang trong \u0111\u00f3 m\u1edbi \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng. Th\u01b0\u1eddng x\u1ea3y ra sau hai ho\u1eb7c ba l\u1ea7n nhai. C\u00e1c h\u1ee3p ch\u1ea5t th\u01a1m n\u00e0y di chuy\u1ec3n \u0111\u1ebfn h\u1ec7 th\u1ed1ng kh\u1ee9u gi\u00e1c, t\u1ea1o ra h\u1ed3 s\u01a1 h\u01b0\u01a1ng v\u1ecb tr\u00e1i c\u00e2y ho\u00e0n ch\u1ec9nh, c\u00e2n \u0111\u1ed1i, b\u1ed5 sung cho \u0111\u1ed9 chua \u0111ang di\u1ec5n ra.<\/div>\n
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Th\u00e1ch th\u1ee9c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n
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S\u1ea3n xu\u1ea5t m\u1ed9t l\u00f4 k\u1eb9o d\u1ea3i nh\u1ea5t qu\u00e1n sau t\u1eebng l\u00f4 \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. N\u00f3 c\u0169ng \u0111\u00f2i h\u1ecfi hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c th\u00e1ch th\u1ee9c s\u1ea3n xu\u1ea5t ph\u1ed5 bi\u1ebfn.<\/div>\n
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C\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn v\u00e0 nguy\u00ean nh\u00e2n<\/h3>\n
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D\u00ednh ho\u1eb7c \u201c\u0111\u1ed5 m\u1ed3 h\u00f4i\u201d l\u00e0 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p. Nguy\u00ean nh\u00e2n l\u00e0 do \u0111\u1ed9 h\u00fat \u1ea9m, khi k\u1eb9o h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m t\u1eeb kh\u00f4ng kh\u00ed. Th\u01b0\u1eddng x\u1ea3y ra do t\u1ef7 l\u1ec7 c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh nh\u01b0 xi-r\u00f4 ng\u00f4 kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9 \u1ea9m cao.<\/div>\n
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K\u1ebft tinh l\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a c\u00e1c tinh th\u1ec3 \u0111\u01b0\u1eddng l\u1edbn. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn k\u1ebft c\u1ea5u c\u00e1t, kh\u00f3 ch\u1ecbu. L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 do thi\u1ebfu xi-r\u00f4 ng\u00f4, tr\u1ed9n kh\u00f4ng \u0111\u00fang c\u00e1ch ho\u1eb7c s\u1ed1c v\u1eadt l\u00fd trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i h\u1ed7n h\u1ee3p. S\u1ed1c v\u1eadt l\u00fd c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh k\u1ebft tinh sucrose.<\/div>\n
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K\u1ebft c\u1ea5u c\u1ee9ng ho\u1eb7c \u201cda\u201d th\u01b0\u1eddng do n\u1ea5u qu\u00e1 ch\u00edn h\u1ed7n h\u1ee3p. \u0110i\u1ec1u n\u00e0y l\u00e0m bay h\u01a1i qu\u00e1 nhi\u1ec1u \u0111\u1ed9 \u1ea9m, d\u1eabn \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc qu\u00e1 th\u1ea5p. S\u1ea3n ph\u1ea9m tr\u1edf n\u00ean c\u1ee9ng \u0111\u1ec3 nhai.<\/div>\n
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Ng\u01b0\u1ee3c l\u1ea1i, k\u1eb9o c\u00f3 \u0111\u1ed9 k\u1ebft d\u00ednh y\u1ebfu ho\u1eb7c \u201cch\u1ea3y\u201d l\u00e0 do n\u1ea5u ch\u01b0a \u0111\u1ee7 ch\u00edn. C\u0169ng c\u00f3 th\u1ec3 do s\u1eed d\u1ee5ng pH kh\u00f4ng ph\u00f9 h\u1ee3p cho ch\u1ea5t gel h\u00f3a. \u0110\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi pectin. S\u1eed d\u1ee5ng kh\u00f4ng \u0111\u1ee7 l\u01b0\u1ee3ng ch\u1ea5t gel h\u00f3a trong c\u00f4ng th\u1ee9c c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/div>\n
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C\u00e1c \u0111i\u1ec3m ki\u1ec3m tra QC ch\u00ednh<\/h3>\n
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\u0110\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7i n\u00e0y, nh\u00e0 s\u1ea3n xu\u1ea5t th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh<\/a> \u0111i\u1ec3m ki\u1ec3m tra.<\/div>\n
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Vi\u1ec7c gi\u00e1m s\u00e1t Brix trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng refractometer \u0111\u1ec3 ki\u1ec3m tra h\u1ed7n h\u1ee3p trong qu\u00e1 tr\u00ecnh n\u1ea5u. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o n\u00f3 \u0111\u1ea1t \u0111\u00fang m\u1ee5c ti\u00eau v\u1ec1 n\u1ed3ng \u0111\u1ed9 \u0111\u01b0\u1eddng.<\/div>\n
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Ki\u1ec3m tra \u0111\u1ed9 pH c\u1ee7a h\u1ed7n h\u1ee3p c\u0169ng r\u1ea5t quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ec3 t\u1ea1o h\u01b0\u01a1ng v\u1ecb, m\u00e0 c\u00f2n cho ch\u1ee9c n\u0103ng. \u0110\u1ed1i v\u1edbi d\u00e2y \u0111ai d\u1ef1a tr\u00ean pectin, \u0111\u1ed9 pH ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd trong ph\u1ea1m vi 3.2-3.6. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o h\u00ecnh th\u00e0nh c\u1ea5u tr\u00fac gel \u0111\u00fang v\u00e0 ho\u00e0n ch\u1ec9nh.<\/div>\n
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Cu\u1ed1i c\u00f9ng, ph\u00e2n t\u00edch k\u1ebft c\u1ea5u kh\u00e1ch quan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u1ed9t m\u00e1y g\u1ecdi l\u00e0 m\u00e1y \u0111o k\u1ebft c\u1ea5u \u0111o c\u00e1c \u0111\u1eb7c t\u00ednh nh\u01b0 \u0111\u1ed9 c\u1ee9ng, \u0111\u00e0n h\u1ed3i v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o. D\u1eef li\u1ec7u n\u00e0y cho ph\u00e9p so s\u00e1nh \u0111\u1ecbnh l\u01b0\u1ee3ng gi\u1eefa c\u00e1c l\u00f4 h\u00e0ng. N\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft c\u1ea5u s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng nh\u1ea5t qu\u00e1n<\/a>.<\/div>\n
\"D\u00e2y <\/a><\/div>\n

M\u00f3n \u0103n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t<\/h2>\n
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T\u1eeb c\u00e1c t\u01b0\u01a1ng t\u00e1c ph\u00e2n t\u1eed trong n\u1ed3i n\u1ea5u \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u01a1 h\u1ecdc c\u1ee7a m\u00e1y \u00e9p, d\u00e2y \u0111ai k\u1eb9o l\u00e0 m\u1ed9t k\u1ef3 quan c\u1ee7a k\u1ef9 thu\u1eadt th\u1ef1c ph\u1ea9m.<\/div>\n
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N\u00f3 th\u1ec3 hi\u1ec7n h\u00e0nh tr\u00ecnh t\u1eeb nguy\u00ean li\u1ec7u \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ph\u1ee9c t\u1ea1p, nhi\u1ec1u giai \u0111o\u1ea1n. M\u1ed7i b\u01b0\u1edbc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3.<\/div>\n
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S\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng l\u00e0 minh ch\u1ee9ng cho s\u1ef1 giao thoa gi\u1eefa khoa h\u1ecdc th\u1ef1c ph\u1ea9m v\u00e0 ngh\u1ec7 thu\u1eadt l\u00e0m k\u1eb9o. \u0110\u00f3 l\u00e0 m\u1ed9t m\u00f3n \u0103n \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho tr\u1ea3i nghi\u1ec7m c\u1ea3m gi\u00e1c ph\u1ee9c t\u1ea1p v\u00e0 th\u1ecfa m\u00e3n.<\/div>\n<\/div>\n
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Li\u00ean k\u1ebft Tham kh\u1ea3o:<\/div>\n
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