{"id":8619,"date":"2025-10-01T09:41:27","date_gmt":"2025-10-01T09:41:27","guid":{"rendered":"https:\/\/www.jymachinetech.com\/?p=8619"},"modified":"2025-10-01T09:41:27","modified_gmt":"2025-10-01T09:41:27","slug":"the-sweet-science-technical-principles-of-professional-candy-casting","status":"publish","type":"post","link":"https:\/\/www.jymachinetech.com\/vi\/the-sweet-science-technical-principles-of-professional-candy-casting\/","title":{"rendered":"Khoa h\u1ecdc Ng\u1ecdt Ng\u00e0o: Nguy\u00ean l\u00fd k\u1ef9 thu\u1eadt c\u1ee7a \u0111\u00fac k\u1eb9o chuy\u00ean nghi\u1ec7p"},"content":{"rendered":"
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Khoa H\u1ecdc Ng\u1ecdt Ng\u00e0o: Ph\u00e2n T\u00edch K\u1ef9 Thu\u1eadt v\u1ec1 \u0110\u00fac K\u1eb9o Chuy\u00ean Nghi\u1ec7p<\/h2>\n
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Gi\u1edbi Thi\u1ec7u: Ngh\u1ec7 Thu\u1eadt v\u00e0 Khoa H\u1ecdc<\/h2>\n
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\u0110\u00fac k\u1eb9o v\u01b0\u1ee3t ra ngo\u00e0i vi\u1ec7c theo c\u00f4ng th\u1ee9c. \u0110\u00f3 l\u00e0 m\u1ed9t ng\u00e0nh h\u1ecdc d\u1ef1a tr\u00ean khoa h\u1ecdc \u1ee9ng d\u1ee5ng. Qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i \u0111\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n th\u00e0nh c\u00e1c t\u00e1c ph\u1ea9m tuy\u1ec7t \u0111\u1eb9p, gi\u1ed1ng nh\u01b0 th\u1ee7y tinh, th\u00f4ng qua thao t\u00e1c ch\u00ednh x\u00e1c c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a n\u00f3. H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111i xa h\u01a1n c\u00e1c h\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n. Thay v\u00e0o \u0111\u00f3, n\u00f3 kh\u00e1m ph\u00e1 c\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i<\/a> quy \u0111\u1ecbnh s\u1ef1 bi\u1ebfn \u0111\u1ed5i n\u00e0y.<\/div>\n
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Ch\u00fang ta s\u1ebd tr\u1ea3 l\u1eddi m\u1ed9t c\u00e2u h\u1ecfi c\u01a1 b\u1ea3n: \u201cC\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt c\u1ee7a \u0111\u00fac k\u1eb9o chuy\u00ean nghi\u1ec7p l\u00e0 g\u00ec?\u201d<\/div>\n
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\u0110\u1ecbnh ngh\u0129a Khoa H\u1ecdc<\/h3>\n
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\u0110\u00fac k\u1eb9o t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng r\u1eafn, \u1ed5n \u0111\u1ecbnh t\u1eeb dung d\u1ecbch \u0111\u01b0\u1eddng si\u00eau b\u00e3o h\u00f2a. M\u1ee5c ti\u00eau ch\u00ednh? H\u00ecnh th\u00e0nh m\u1ed9t ch\u1ea5t r\u1eafn v\u00f4 \u0111\u1ecbnh h\u00ecnh. C\u00f2n g\u1ecdi l\u00e0 th\u1ee7y tinh \u0111\u01b0\u1eddng.<\/div>\n
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Qu\u00e1 tr\u00ecnh d\u1ef1a tr\u00ean ba tr\u1ee5 c\u1ed9t k\u1ef9 thu\u1eadt. \u0110\u00f3 l\u00e0 tinh th\u1ec3 h\u1ecdc, \u0111\u1ed9ng l\u1ef1c nhi\u1ec7t v\u00e0 khoa h\u1ecdc v\u1eadt li\u1ec7u. Hi\u1ec3u r\u00f5 c\u00e1c tr\u1ee5 c\u1ed9t n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 l\u00e0m ch\u1ee7 ngh\u1ec1 n\u00e0y.<\/div>\n
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T\u1ea1i sao K\u1ef9 Thu\u1eadt Quan Tr\u1ecdng<\/h3>\n
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Ph\u01b0\u01a1ng ph\u00e1p k\u1ef9 thu\u1eadt ph\u00e2n bi\u1ec7t ng\u01b0\u1eddi \u0111am m\u00ea v\u1edbi chuy\u00ean nghi\u1ec7p. Hi\u1ec3u r\u00f5 \u201ct\u1ea1i sao\u201d c\u1ee7a t\u1eebng b\u01b0\u1edbc gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t tuy\u1ec7t \u0111\u1ed1i. N\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n. N\u00f3 c\u0169ng cung c\u1ea5p ki\u1ebfn th\u1ee9c \u0111\u1ec3 x\u1eed l\u00fd th\u1ea5t b\u1ea1i v\u00e0 s\u00e1ng t\u1ea1o c\u00e1c d\u1ea1ng m\u1edbi.<\/div>\n
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\u0110\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi \u1edf tr\u00ecnh \u0111\u1ed9 chuy\u00ean gia. N\u00f3 d\u00e0nh cho nh\u1eefng ai mu\u1ed1n l\u00e0m ch\u1ee7 ph\u01b0\u01a1ng ti\u1ec7n c\u1ee7a \u0111\u01b0\u1eddng, kh\u00f4ng ch\u1ec9 theo \u00fd th\u00edch c\u1ee7a n\u00f3.<\/div>\n
\"k\u1eb9o<\/a><\/div>\n

Hi\u1ec3u Bi\u1ebft v\u1ec1 Tinh Th\u1ec3 H\u1ecdc \u0110\u01b0\u1eddng<\/h2>\n
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Kh\u00e1i ni\u1ec7m quan tr\u1ecdng nh\u1ea5t trong \u0111\u00fac k\u1eb9o l\u00e0 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh k\u1ebft tinh \u0111\u01b0\u1eddng. Hi\u1ec3u bi\u1ebft \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed n\u00e0y t\u1ea1o n\u1ec1n t\u1ea3ng cho t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i k\u1eb9o c\u1ee9ng th\u00e0nh c\u00f4ng.<\/div>\n
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Kh\u00f4ng ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh k\u1ebft tinh g\u00e2y ra c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn. Bao g\u1ed3m k\u1eb9o v\u1ee1 v\u1ee5n ho\u1eb7c \u0111\u1ee5c.<\/div>\n
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K\u1ebft tinh so v\u1edbi V\u00f4 \u0111\u1ecbnh h\u00ecnh<\/h3>\n
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Sucrose, hay \u0111\u01b0\u1eddng \u0103n th\u00f4ng th\u01b0\u1eddng, t\u1ef1 nhi\u00ean t\u1ed5 ch\u1ee9c th\u00e0nh c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u00f3 tr\u1eadt t\u1ef1 cao, \u1ed5n \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 tr\u1ea1ng th\u00e1i tinh th\u1ec3. K\u1eb9o \u0111\u00e1 minh h\u1ecda r\u00f5 \u0111i\u1ec1u n\u00e0y.<\/div>\n
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Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u00fac k\u1eb9o, m\u1ee5c ti\u00eau l\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Ch\u00fang ta mu\u1ed1n m\u1ed9t c\u1ea5u tr\u00fac th\u1ee7y tinh v\u00f4 \u0111\u1ecbnh h\u00ecnh, kh\u00f4ng k\u1ebft tinh. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t \u0111\u1ed1ng g\u1ea1ch x\u1ebfp g\u1ecdn g\u00e0ng t\u01b0\u1ee3ng tr\u01b0ng cho tinh th\u1ec3. Tr\u1ea1ng th\u00e1i v\u00f4 \u0111\u1ecbnh h\u00ecnh gi\u1ed1ng nh\u01b0 \u0111\u1ed1ng g\u1ea1ch \u0111\u00f3 sau khi b\u1ecb r\u01a1i t\u1eeb xe t\u1ea3i\u2014ho\u00e0n to\u00e0n r\u1ed1i lo\u1ea1n. Tr\u1ea1ng th\u00e1i r\u1ed1i lo\u1ea1n n\u00e0y gi\u00fap k\u1eb9o c\u1ee9ng c\u00f3 \u0111\u1ed9 trong su\u1ed1t \u0111\u1eb7c tr\u01b0ng v\u00e0 \u0111\u1ed9 gi\u00f2n.<\/div>\n
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Vai Tr\u00f2 c\u1ee7a C\u00e1c Ch\u1ea5t G\u00e2y Tr\u1edf Ng\u1ea1i<\/h3>\n
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\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1ee7y tinh v\u00f4 \u0111\u1ecbnh h\u00ecnh \u1ed5n \u0111\u1ecbnh, ch\u00fang ta ph\u1ea3i ch\u1ee7 \u0111\u1ed9ng ng\u0103n ch\u1eb7n c\u00e1c ph\u00e2n t\u1eed sucrose x\u1ebfp th\u00e0nh tinh th\u1ec3. Ch\u00fang ta th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t g\u00e2y tr\u1edf ng\u1ea1i.<\/div>\n
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Ch\u00fang kh\u00f4ng ch\u1ec9 l\u00e0 gia v\u1ecb t\u0103ng h\u01b0\u01a1ng v\u1ecb. Ch\u00fang l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ee9c n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed.<\/div>\n
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Xi-r\u00f4 glucose v\u00e0 xi-r\u00f4 ng\u00f4 ch\u1ee9a \u0111\u01b0\u1eddng d\u00e0i chu\u1ed7i. Nh\u1eefng ph\u00e2n t\u1eed l\u1edbn h\u01a1n n\u00e0y g\u00e2y c\u1ea3n tr\u1edf v\u1eadt l\u00fd c\u00e1c ph\u00e2n t\u1eed sucrose nh\u1ecf h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang kh\u00f3 t\u00ecm th\u1ea5y nhau v\u00e0 h\u00ecnh th\u00e0nh m\u1ea1ng tinh th\u1ec3 c\u00f3 tr\u1eadt t\u1ef1.<\/div>\n
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Axit ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc<\/a> g\u1ecdi l\u00e0 ph\u1ea3n \u1ee9ng \u0111\u1ea3o ng\u01b0\u1ee3c. V\u00ed d\u1ee5 bao g\u1ed3m kem tartar (potassium bitartrate) ho\u1eb7c axit citric. Khi \u0111\u01b0\u1ee3c nung n\u00f3ng c\u00f9ng v\u1edbi sucrose v\u00e0 n\u01b0\u1edbc, axit ph\u00e2n h\u1ee7y m\u1ed9t ph\u1ea7n sucrose th\u00e0nh hai lo\u1ea1i \u0111\u01b0\u1eddng th\u00e0nh ph\u1ea7n: fructose v\u00e0 glucose. H\u1ed7n h\u1ee3p m\u1edbi g\u1ed3m ba lo\u1ea1i \u0111\u01b0\u1eddng kh\u00e1c nhau n\u00e0y (sucrose, fructose, glucose) v\u1ed1n \u0111\u00e3 ch\u1ed1ng l\u1ea1i qu\u00e1 tr\u00ecnh k\u1ebft tinh. C\u00e1c ph\u00e2n t\u1eed c\u00f3 h\u00ecnh d\u1ea1ng kh\u00e1c nhau kh\u00f4ng d\u1ec5 d\u00e0ng ph\u00f9 h\u1ee3p v\u1edbi nhau.<\/div>\n
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Ki\u1ec3m so\u00e1t s\u1ef1 h\u00ecnh th\u00e0nh h\u1ea1t nh\u00e2n kh\u00f4ng mong mu\u1ed1n<\/h3>\n
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Qu\u00e1 tr\u00ecnh k\u1ebft tinh c\u1ea7n m\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec3m h\u1ea1t nh\u00e2n. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 b\u1ea5t k\u1ef3 t\u1ea1p ch\u1ea5t vi m\u00f4 ho\u1eb7c v\u1ebft n\u1ee9t n\u00e0o n\u01a1i c\u00e1c ph\u00e2n t\u1eed \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u s\u1eafp x\u1ebfp.<\/div>\n
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C\u00e1c \u0111i\u1ec3m h\u1ea1t nh\u00e2n ph\u1ed5 bi\u1ebfn bao g\u1ed3m c\u00e1c tinh th\u1ec3 \u0111\u01b0\u1eddng ch\u01b0a h\u00f2a tan, v\u1ebft b\u1ee5i t\u1eeb kh\u00f4ng kh\u00ed ho\u1eb7c s\u1ef1 khu\u1ea5y \u0111\u1ed9ng do khu\u1ea5y qu\u00e1 m\u1ee9c.<\/div>\n
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C\u00e1c th\u1ef1c h\u00e0nh k\u1ef9 thu\u1eadt t\u1ed1t nh\u1ea5t l\u00e0 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 h\u00ecnh th\u00e0nh h\u1ea1t nh\u00e2n kh\u00f4ng mong mu\u1ed1n. Lu\u00f4n s\u1eed d\u1ee5ng n\u1ed3i, mu\u1ed7ng v\u00e0 nhi\u1ec7t k\u1ebf s\u1ea1ch s\u1ebd c\u1ea9n th\u1eadn.<\/div>\n
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Tr\u01b0\u1edbc khi xi-r\u00f4 s\u00f4i ho\u00e0n to\u00e0n, d\u00f9ng b\u00e0n ch\u1ea3i b\u00e1nh p\u00e2tisserie nh\u00fang trong n\u01b0\u1edbc s\u1ea1ch \u0111\u1ec3 lau s\u1ea1ch c\u00e1c tinh th\u1ec3 \u0111\u01b0\u1eddng b\u00e1m v\u00e0o th\u00e0nh n\u1ed3i. Khi \u0111\u01b0\u1eddng \u0111\u00e3 h\u00f2a tan ho\u00e0n to\u00e0n<\/a> v\u00e0 xi-r\u00f4 \u0111ang s\u00f4i, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a m\u1ecdi s\u1ef1 khu\u1ea5y \u0111\u1ed9ng. \u0110\u1eebng khu\u1ea5y h\u1ed7n h\u1ee3p. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra bong b\u00f3ng kh\u00ed v\u00e0 sinh ra v\u00f4 s\u1ed1 \u0111i\u1ec3m h\u1ea1t nh\u00e2n m\u1edbi.<\/div>\n
\"k\u1eb9o,<\/a><\/div>\n

L\u00e0m ch\u1ee7 \u0111\u1ed9ng l\u1ef1c nhi\u1ec7t<\/h2>\n
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Nhi\u1ec7t \u0111\u1ed9 l\u00e0 c\u00f4ng c\u1ee5 ki\u1ec3m so\u00e1t ch\u00ednh trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 k\u1eb9o. N\u00f3 tr\u1ef1c ti\u1ebfp quy\u1ebft \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 \u0111\u01b0\u1eddng trong xi-r\u00f4. Do \u0111\u00f3, n\u00f3 quy\u1ebft \u0111\u1ecbnh k\u1ebft c\u1ea5u cu\u1ed1i c\u00f9ng v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ea5u tr\u00fac c\u1ee7a s\u1ea3n ph\u1ea9m ho\u00e0n ch\u1ec9nh.<\/div>\n
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L\u00e0m ch\u1ee7 \u0111\u1ed9ng l\u1ef1c nhi\u1ec7t c\u00f3 ngh\u0129a l\u00e0 hi\u1ec3u kh\u00f4ng ch\u1ec9 nhi\u1ec7t \u0111\u1ed9 c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c, m\u00e0 c\u00f2n t\u1ea1i sao nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3 l\u1ea1i t\u1ea1o ra k\u1ebft qu\u1ea3 c\u1ee5 th\u1ec3.<\/div>\n
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Khoa h\u1ecdc c\u00e1c giai \u0111o\u1ea1n c\u1ee7a \u0111\u01b0\u1eddng<\/h3>\n
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Khi xi-r\u00f4 \u0111\u01b0\u1eddng s\u00f4i, n\u01b0\u1edbc b\u1ed1c h\u01a1i. N\u1ed3ng \u0111\u1ed9 \u0111\u01b0\u1eddng t\u0103ng l\u00ean. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a xi-r\u00f4 l\u00e0 ch\u1ec9 s\u1ed1 tr\u1ef1c ti\u1ebfp v\u00e0 \u0111\u00e1ng tin c\u1eady c\u1ee7a n\u1ed3ng \u0111\u1ed9 n\u00e0y.<\/div>\n
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M\u1ed7i \u201cgiai \u0111o\u1ea1n\u201d c\u1ee7a qu\u00e1 tr\u00ecnh n\u1ea5u \u0111\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3 v\u00e0 n\u1ed3ng \u0111\u1ed9 \u0111\u01b0\u1eddng k\u1ebft qu\u1ea3. \u0110i\u1ec1u n\u00e0y x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a n\u00f3 khi ngu\u1ed9i \u0111i.<\/div>\n
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B\u1ea3ng 1: H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt c\u00e1c giai \u0111o\u1ea1n c\u1ee7a \u0111\u01b0\u1eddng trong \u0111\u1ed5 k\u1eb9o<\/h3>\n
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\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n
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T\u00ean Giai \u0111o\u1ea1n<\/div>\n<\/td>\n
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Ph\u1ea1m vi Nhi\u1ec7t \u0111\u1ed9 (\u00b0F \/ \u00b0C)<\/div>\n<\/td>\n
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N\u1ed3ng \u0111\u1ed9 \u0110\u01b0\u1eddng<\/div>\n<\/td>\n
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\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt & \u1ee8ng d\u1ee5ng ch\u00ednh trong \u0111\u1ed5 k\u1eb9o<\/div>\n<\/td>\n<\/tr>\n
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B\u00f3ng m\u1ec1m<\/div>\n<\/td>\n
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235-245\u00b0F \/ 112-116\u00b0C<\/div>\n<\/td>\n
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~85%<\/div>\n<\/td>\n
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H\u00ecnh th\u00e0nh m\u1ed9t qu\u1ea3 b\u00f3ng m\u1ec1m, d\u1ebbo; Qu\u00e1 m\u1ec1m \u0111\u1ec3 \u0111\u1ed5 k\u1eb9o c\u1ee9ng, d\u00f9ng cho c\u00e1c lo\u1ea1i fudge\/trung fondant.<\/div>\n<\/td>\n<\/tr>\n
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B\u00f3ng c\u1ee9ng<\/div>\n<\/td>\n
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245-250\u00b0F \/ 118-120\u00b0C<\/div>\n<\/td>\n
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~87%<\/div>\n<\/td>\n
\n
H\u00ecnh th\u00e0nh m\u1ed9t qu\u1ea3 b\u00f3ng ch\u1eafc; D\u00f9ng cho caramel, kh\u00f4ng ph\u00f9 h\u1ee3p cho k\u1eb9o gi\u00f2n \u0111\u00fac.<\/div>\n<\/td>\n<\/tr>\n
\n
B\u00f3ng c\u1ee9ng<\/div>\n<\/td>\n
\n
250-265\u00b0F \/ 121-129\u00b0C<\/div>\n<\/td>\n
\n
~92%<\/div>\n<\/td>\n
\n
H\u00ecnh th\u00e0nh m\u1ed9t qu\u1ea3 b\u00f3ng c\u1ee9ng, nh\u01b0ng v\u1eabn d\u1ebbo; D\u00f9ng cho nougat, k\u1eb9o d\u1ebbo.<\/div>\n<\/td>\n<\/tr>\n
\n
Soft-Crack<\/div>\n<\/td>\n
\n
270-290\u00b0F \/ 132-143\u00b0C<\/div>\n<\/td>\n
\n
~95%<\/div>\n<\/td>\n
\n
Ch\u1ec9 l\u00e0 c\u00e1c s\u1ee3i linh ho\u1ea1t nh\u01b0ng d\u1ec5 v\u1ee1 khi ngu\u1ed9i; D\u00f9ng cho taffy, k\u1eb9o b\u01a1.<\/div>\n<\/td>\n<\/tr>\n
\n
Hard-Crack<\/div>\n<\/td>\n
\n
300-310\u00b0F \/ 149-154\u00b0C<\/div>\n<\/td>\n
\n
~99%<\/div>\n<\/td>\n
\n
C\u00e1c s\u1ee3i d\u1ec5 v\u1ee1 v\u00e0 d\u1ec5 g\u00e3y. Giai \u0111o\u1ea1n quan tr\u1ecdng \u0111\u1ec3 l\u00e0m k\u1eb9o trong su\u1ed1t, k\u1eb9o c\u1ee9ng \u0111\u00fac<\/a> (k\u1eb9o m\u00fat, vi\u00ean ng\u1ecdc).<\/div>\n<\/td>\n<\/tr>\n
\n
Caramen<\/div>\n<\/td>\n
\n
160-177\u00b0C \/ 320-350\u00b0F<\/div>\n<\/td>\n
\n
>99% (qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y b\u1eaft \u0111\u1ea7u)<\/div>\n<\/td>\n
\n
\u0110\u01b0\u1eddng b\u1eaft \u0111\u1ea7u ph\u00e2n h\u1ee7y v\u00e0 caramel h\u00f3a, t\u1ea1o m\u00e0u s\u1eafc v\u00e0 h\u01b0\u01a1ng v\u1ecb. S\u1eed d\u1ee5ng c\u1ea9n th\u1eadn v\u00ec c\u00f3 th\u1ec3 ch\u00e1y nhanh.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n
Giai \u0111o\u1ea1n c\u1ee9ng v\u1ee1 l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 \u0111\u00fac k\u1eb9o. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc r\u1ea5t th\u1ea5p (kho\u1ea3ng 1%) \u0111\u1ec3 dung d\u1ecbch ngu\u1ed9i s\u1ebd t\u1ea1o th\u00e0nh k\u00ednh c\u1ee9ng, gi\u00f2n, kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng.<\/div>\n
<\/div>\n

\u0110\u1ecdc nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h3>\n
<\/div>\n
Ch\u00ednh x\u00e1c l\u00e0 kh\u00f4ng th\u1ec3 n\u1ebfu kh\u00f4ng c\u00f3 nhi\u1ec7t k\u1ebf ch\u00ednh x\u00e1c. Nhi\u1ec7t k\u1ebf k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 \u0111\u1ea7u d\u00f2 th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nhi\u1ec7t k\u1ebf truy\u1ec1n th\u1ed1ng. Ch\u00fang ph\u1ea3n h\u1ed3i nhanh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/div>\n
<\/div>\n
B\u1ea5t k\u1ec3 lo\u1ea1i n\u00e0o, nhi\u1ec7t k\u1ebf c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady nh\u1ea5t l\u00e0 th\u1eed trong n\u01b0\u1edbc s\u00f4i. \u1ede \u0111\u1ed9 cao bi\u1ec3n, n\u01b0\u1edbc s\u00f4i \u1edf 100\u00b0C (212\u00b0F). N\u1ebfu nhi\u1ec7t k\u1ebf c\u1ee7a b\u1ea1n \u0111\u1ecdc kh\u00e1c, b\u1ea1n ph\u1ea3i ghi nh\u1eadn s\u1ef1 ch\u00eanh l\u1ec7ch. \u0110i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n cho ph\u00f9 h\u1ee3p. Nh\u1edb t\u00ednh \u0111\u1ebfn \u0111\u1ed9 cao. \u0110i\u1ec3m s\u00f4i c\u1ee7a n\u01b0\u1edbc gi\u1ea3m khi \u0111\u1ed9 cao t\u0103ng.<\/div>\n
\"nh\u00f3m<\/a><\/div>\n

Qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t<\/h3>\n
<\/div>\n
Giai \u0111o\u1ea1n l\u00e0m m\u00e1t quan tr\u1ecdng kh\u00f4ng k\u00e9m giai \u0111o\u1ea1n nung n\u00f3ng. M\u1ee5c ti\u00eau l\u00e0 l\u00e0m ngu\u1ed9i dung d\u1ecbch nhanh \u0111\u1ebfn m\u1ee9c c\u00e1c ph\u00e2n t\u1eed \u0111\u01b0\u1eddng b\u1ecb \u201c\u0111\u00f3ng b\u0103ng\u201d trong c\u1ea5u tr\u00fac r\u1ed1i lo\u1ea1n, gi\u1ed1ng nh\u01b0 ch\u1ea5t l\u1ecfng. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra tr\u01b0\u1edbc khi ch\u00fang c\u00f3 th\u1eddi gian t\u1ed5 ch\u1ee9c th\u00e0nh tinh th\u1ec3.<\/div>\n
<\/div>\n
S\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb ch\u1ea5t l\u1ecfng \u0111\u00e0n h\u1ed3i th\u00e0nh k\u00ednh r\u1eafn x\u1ea3y ra t\u1ea1i nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a k\u00ednh.<\/div>\n
<\/div>\n
L\u00e0m m\u00e1t nhanh, kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. \u0110\u1eb7t khu\u00f4n \u0111\u00e3 \u0111\u1ed5 \u0111\u1ea7y l\u00ean b\u1ec1 m\u1eb7t ch\u1ecbu nhi\u1ec7t trong khu v\u1ef1c m\u00e1t m\u1ebb, kh\u00f4ng c\u00f3 gi\u00f3 l\u00f9a. B\u1ea5t k\u1ef3 s\u1ef1 x\u00ea d\u1ecbch ho\u1eb7c rung \u0111\u1ed9ng n\u00e0o trong giai \u0111o\u1ea1n n\u00e0y c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh k\u1ebft tinh.<\/div>\n
<\/div>\n
\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. \u0110\u1ed9 \u1ea9m l\u00fd t\u01b0\u1edfng \u0111\u1ec3 l\u00e0m k\u1eb9o c\u1ee9ng l\u00e0 d\u01b0\u1edbi 35%. \u0110\u1ed9 \u1ea9m cao mang l\u1ea1i \u0111\u1ed9 \u1ea9m v\u00e0o kh\u00f4ng kh\u00ed. K\u1eb9o l\u00e0m ngu\u1ed9i s\u1ebd d\u1ec5 d\u00e0ng h\u1ea5p th\u1ee5, d\u1eabn \u0111\u1ebfn b\u1ec1 m\u1eb7t d\u00ednh.<\/div>\n
<\/div>\n

Ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n s\u00e2u<\/h2>\n
<\/div>\n
M\u1ed9t th\u1ee3 l\u00e0m k\u1eb9o chuy\u00ean nghi\u1ec7p ph\u00e2n t\u00edch c\u00e1c c\u00f4ng th\u1ee9c \u0111\u1ec3 hi\u1ec3u ch\u1ee9c n\u0103ng k\u1ef9 thu\u1eadt c\u1ee7a t\u1eebng th\u00e0nh ph\u1ea7n. Ki\u1ebfn th\u1ee9c n\u00e0y gi\u00fap thay th\u1ebf h\u1ee3p l\u00fd, ph\u00e1t tri\u1ec3n c\u00f4ng th\u1ee9c v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/div>\n
<\/div>\n
H\u00e3y ph\u00e2n t\u00edch vai tr\u00f2 c\u1ea5u tr\u00fac v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac k\u1eb9o.<\/div>\n
<\/div>\n

\u0110\u01b0\u1eddng l\u00e0m x\u01b0\u01a1ng s\u1ed1ng<\/h3>\n
<\/div>\n
Sucrose l\u00e0 th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac ch\u00ednh trong h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i k\u1eb9o truy\u1ec1n th\u1ed1ng. N\u00f3 cung c\u1ea5p kh\u1ed1i l\u01b0\u1ee3ng, \u0111\u1ed9 ng\u1ecdt v\u00e0 n\u1ec1n t\u1ea3ng ph\u00e2n t\u1eed cho k\u00ednh \u0111\u01b0\u1eddng.<\/div>\n
<\/div>\n
Isomalt l\u00e0 m\u1ed9t lo\u1ea1i c\u1ed3n \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb sucrose. N\u00f3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn v\u01b0\u1ee3t tr\u1ed9i cho nhi\u1ec1u \u1ee9ng d\u1ee5ng chuy\u00ean nghi\u1ec7p. \u01afu \u0111i\u1ec3m k\u1ef9 thu\u1eadt ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng k\u1ebft tinh cao h\u01a1n nhi\u1ec1u so v\u1edbi sucrose.<\/div>\n
<\/div>\n
H\u01a1n n\u1eefa, isomalt \u00edt h\u00fat \u1ea9m h\u01a1n \u0111\u00e1ng k\u1ec3. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 h\u00fat v\u00e0 h\u1ea5p th\u1ee5 \u00edt \u0111\u1ed9 \u1ea9m h\u01a1n t\u1eeb kh\u00f4ng kh\u00ed. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng \u0111\u1ec3 t\u1ea1o ra c\u00e1c t\u00e1c ph\u1ea9m \u0111i\u00eau kh\u1eafc \u0111\u01b0\u1eddng tinh t\u1ebf ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00fac ph\u1ea3i gi\u1eef trong su\u1ed1t v\u00e0 \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9 \u1ea9m cao. Trong kinh nghi\u1ec7m chuy\u00ean nghi\u1ec7p c\u1ee7a ch\u00fang t\u00f4i, trong khi sucrose mang l\u1ea1i h\u01b0\u01a1ng v\u1ecb c\u1ed5 \u0111i\u1ec3n, th\u00ec isomalt cung c\u1ea5p \u0111\u1ed9 r\u00f5 n\u00e9t v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i cho c\u00e1c t\u00e1c ph\u1ea9m tr\u01b0ng b\u00e0y.<\/div>\n
<\/div>\n

Ph\u1ee5 gia v\u00e0 Ch\u1ea5t t\u0103ng c\u01b0\u1eddng<\/h3>\n
<\/div>\n
Ph\u1ee5 gia kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c ph\u1ea7n b\u1ed5 sung t\u00f9y \u00fd. Ch\u00fang l\u00e0 c\u00e1c c\u00f4ng c\u1ee5 ch\u1ee9c n\u0103ng d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c \u0111\u1eb7c t\u00ednh cu\u1ed1i c\u00f9ng c\u1ee7a k\u1eb9o. Hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n, ch\u1ea5t l\u01b0\u1ee3ng cao.<\/div>\n
<\/div>\n
M\u1ed7i ph\u1ee5 gia th\u1ef1c hi\u1ec7n m\u1ed9t ch\u1ee9c n\u0103ng k\u1ef9 thu\u1eadt ri\u00eang bi\u1ec7t. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m t\u1eeb vi\u1ec7c ng\u0103n ch\u1eb7n k\u1ebft tinh \u0111\u1ebfn vi\u1ec7c t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng c\u1ea3m nh\u1eadn.<\/div>\n
\"gummy<\/a><\/div>\n

B\u1ea3ng 2: C\u00e1c ph\u1ee5 gia ch\u00ednh trong \u0111\u00fac k\u1eb9o v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang<\/h3>\n
<\/div>\n
\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
\n
Th\u00e0nh ph\u1ea7n<\/div>\n<\/td>\n
\n
T\u00ean K\u1ef9 Thu\u1eadt\/Th\u00f4ng Th\u01b0\u1eddng<\/div>\n<\/td>\n
\n
Ch\u1ee9c N\u0103ng Ch\u00ednh K\u1ef9 Thu\u1eadt<\/div>\n<\/td>\n
\n
\u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn S\u1ea3n Ph\u1ea9m Cu\u1ed1i<\/div>\n<\/td>\n<\/tr>\n
\n
Ch\u1ea5t g\u00e2y nhi\u1ec5u<\/div>\n<\/td>\n
\n
Xi-r\u00f4 ng\u00f4, Xi-r\u00f4 glucose<\/div>\n<\/td>\n
\n
Polysaccharides chu\u1ed7i d\u00e0i<\/div>\n<\/td>\n
\n
Ng\u0103n ch\u1eb7n k\u1ebft tinh sucrose, t\u0103ng \u0111\u1ed9 \u0111\u1eb7c, ki\u1ec3m so\u00e1t \u0111\u1ed9 ng\u1ecdt.<\/div>\n<\/td>\n<\/tr>\n
\n
Ch\u1ea5t axit<\/div>\n<\/td>\n
\n
Kem tartar (Potassium Bitartrate)<\/div>\n<\/td>\n
\n
Ch\u1ea5t \u0111\u1ea3o ng\u01b0\u1ee3c<\/div>\n<\/td>\n
\n
Ph\u00e2n h\u1ee7y sucrose th\u00e0nh glucose\/fructose, ng\u0103n ch\u1eb7n k\u1ebft tinh v\u00e0 t\u1ea1o ra k\u1ebft c\u1ea5u m\u1ec1m m\u1ea1i h\u01a1n.<\/div>\n<\/td>\n<\/tr>\n
\n
M\u00e0u s\u1eafc<\/div>\n<\/td>\n
\n
D\u1ef1a tr\u00ean n\u01b0\u1edbc, Gel, B\u1ed9t<\/div>\n<\/td>\n
\n
H\u1ea1t m\u00e0u\/Nhu\u1ed9m<\/div>\n<\/td>\n
\n
Cung c\u1ea5p s\u1ee9c h\u1ea5p d\u1eabn v\u1ec1 th\u1ecb gi\u00e1c. Ph\u1ea3i ch\u1ecbu nhi\u1ec7t t\u1ed1t. Gel v\u00e0 b\u1ed9t \u0111\u01b0\u1ee3c \u01b0u ti\u00ean v\u00ec h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea5p.<\/div>\n<\/td>\n<\/tr>\n
\n
H\u01b0\u01a1ng v\u1ecb<\/div>\n<\/td>\n
\n
Chi\u1ebft xu\u1ea5t d\u1ef1a tr\u00ean d\u1ea7u ho\u1eb7c n\u01b0\u1edbc<\/div>\n<\/td>\n
\n
H\u1ee3p ch\u1ea5t th\u01a1m<\/div>\n<\/td>\n
\n
Cung c\u1ea5p h\u01b0\u01a1ng v\u1ecb. H\u01b0\u01a1ng d\u1ea7u d\u1ef1a tr\u00ean d\u1ea7u b\u1ec1n nhi\u1ec7t h\u01a1n v\u00e0 n\u00ean th\u00eam cu\u1ed1i c\u00f9ng \u0111\u1ec3 tr\u00e1nh bay h\u01a1i.<\/div>\n<\/td>\n<\/tr>\n
\n
Ch\u1ea5t \u1ed5n \u0111\u1ecbnh<\/div>\n<\/td>\n
\n
Gum Arabic, Gelatin<\/div>\n<\/td>\n
\n
Hydrocolloid<\/div>\n<\/td>\n
\n
T\u0103ng \u0111\u1ed9 nh\u1edbt, c\u00f3 th\u1ec3 th\u00eam \u0111\u1ed9 dai ho\u1eb7c gi\u00fap emulsify ch\u1ea5t b\u00e9o (kh\u00f4ng ph\u1ed5 bi\u1ebfn trong k\u1eb9o c\u1ee9ng c\u01a1 b\u1ea3n).<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n
Ch\u1ecdn ph\u1ee5 gia ph\u00f9 h\u1ee3p l\u00e0 quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt. M\u00e0u gel ho\u1eb7c b\u1ed9t \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n m\u00e0u n\u01b0\u1edbc d\u1ea1ng l\u1ecfng. Ch\u00fang gi\u1edbi thi\u1ec7u \u00edt n\u01b0\u1edbc th\u00eam, n\u1ebfu kh\u00f4ng s\u1ebd c\u1ea7n ph\u1ea3i \u0111un s\u00f4i b\u1edbt. H\u01b0\u01a1ng d\u1ea7u d\u1ef1a tr\u00ean d\u1ea7u d\u1ec5 bay h\u01a1i h\u01a1n. N\u00ean th\u00eam v\u00e0o cu\u1ed1i qu\u00e1 tr\u00ecnh n\u1ea5u, t\u1eaft b\u1ebfp, \u0111\u1ec3 tr\u00e1nh h\u01b0\u01a1ng b\u1ecb bay h\u01a1i.<\/div>\n
<\/div>\n

Quy tr\u00ecnh \u0111\u1ed5 khu\u00f4n<\/h2>\n
<\/div>\n
\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c nguy\u00ean t\u1eafc \u0111\u00e3 th\u1ea3o lu\u1eadn. M\u1ed7i b\u01b0\u1edbc l\u00e0 h\u00e0nh \u0111\u1ed9ng c\u00f3 ch\u1ee7 \u0111\u00edch v\u1edbi m\u1ee5c \u0111\u00edch khoa h\u1ecdc c\u1ee5 th\u1ec3. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1eddng \u0111\u01b0\u1eddng cho \u0111\u01b0\u1eddng t\u1eeb dung d\u1ecbch \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn d\u1ea1ng r\u1eafn v\u00f4 \u0111\u1ecbnh h\u00ecnh ho\u00e0n h\u1ea3o.<\/div>\n
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Quy tr\u00ecnh k\u1ef9 thu\u1eadt lo\u1ea1i b\u1ecf s\u1ef1 \u0111o\u00e1n m\u00f2. \u0110\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 l\u1eb7p l\u1ea1i, ch\u1ea5t l\u01b0\u1ee3ng cao.<\/div>\n
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B\u01b0\u1edbc 1: Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc<\/h3>\n
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Thu\u1eadt ng\u1eef Ph\u00e1p n\u00e0y ngh\u0129a l\u00e0 \u201cm\u1ecdi th\u1ee9 \u0111\u00fang v\u1ecb tr\u00ed\u201d l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft v\u1ec1 m\u1eb7t khoa h\u1ecdc trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 k\u1eb9o. Chu\u1ea9n b\u1ecb kh\u00f4ng gian l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u n\u1ea5u.<\/div>\n
<\/div>\n
Khoa h\u1ecdc v\u1ec1 s\u1ea1ch s\u1ebd l\u00e0 t\u1ed1i quan tr\u1ecdng. B\u1ea5t k\u1ef3 h\u1ea1t b\u1ee5i, b\u1ed9t ho\u1eb7c \u0111\u01b0\u1eddng c\u0169 n\u00e0o tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0 n\u01a1i nucleation. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng to\u00e0n b\u1ed9 m\u1ebb k\u1eb9o. \u0110\u1ea3m b\u1ea3o n\u1ed3i, nhi\u1ec7t k\u1ebf v\u00e0 d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n s\u1ea1ch s\u1ebd.<\/div>\n
<\/div>\n
Chu\u1ea9n b\u1ecb khu\u00f4n c\u1ee7a b\u1ea1n. N\u1ebfu s\u1eed d\u1ee5ng khu\u00f4n c\u1ea7n thi\u1ebft, ph\u1ebft m\u1ed9t l\u1edbp m\u1ecfng, \u0111\u1ec1u c\u1ee7a ch\u1ea5t ch\u1ed1ng d\u00ednh trung t\u00ednh. Ch\u1ea5t n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t surfactant. N\u00f3 gi\u1ea3m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t gi\u1eefa siro n\u00f3ng v\u00e0 khu\u00f4n, gi\u00fap d\u1ec5 d\u00e0ng th\u00e1o ra sau n\u00e0y.<\/div>\n
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B\u01b0\u1edbc 2: Qu\u00e1 tr\u00ecnh n\u1ea5u<\/h3>\n
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Giai \u0111o\u1ea1n n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i c\u1ee7a dung d\u1ecbch \u0111\u01b0\u1eddng qua vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/div>\n
<\/div>\n
B\u1eaft \u0111\u1ea7u v\u1edbi giai \u0111o\u1ea1n h\u00f2a tan. K\u1ebft h\u1ee3p \u0111\u01b0\u1eddng, n\u01b0\u1edbc v\u00e0 xi-r\u00f4 ng\u00f4 trong m\u1ed9t n\u1ed3i c\u00f3 \u0111\u00e1y d\u00e0y. Khu\u1ea5y nh\u1eb9 nh\u00e0ng tr\u00ean l\u1eeda v\u1eeba ch\u1ec9 \u0111\u1ebfn khi t\u1ea5t c\u1ea3 c\u00e1c tinh th\u1ec3 \u0111\u01b0\u1eddng \u0111\u00e3 ho\u00e0n to\u00e0n tan. B\u1ea1n kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 h\u1ed7n h\u1ee3p s\u00f4i tr\u01b0\u1edbc khi t\u1ea5t c\u1ea3 c\u00e1c tinh th\u1ec3 bi\u1ebfn m\u1ea5t.<\/div>\n
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Khi \u0111\u00e3 h\u00f2a tan, \u0111un s\u00f4i dung d\u1ecbch. \u0110\u00e2y l\u00e0 b\u1eaft \u0111\u1ea7u c\u1ee7a giai \u0111o\u1ea1n s\u00f4i. Kh\u00f4ng khu\u1ea5y t\u1eeb th\u1eddi \u0111i\u1ec3m n\u00e0y tr\u1edf \u0111i. Vi\u1ec7c khu\u1ea5y t\u1ea1o ra kh\u00ed, g\u00e2y ra bong b\u00f3ng, v\u00e0 s\u1ef1 khu\u1ea5y \u0111\u1ed9ng th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh k\u1ebft tinh. D\u00f9ng b\u00e0n ch\u1ea3i \u1ea9m \u0111\u1ec3 lau s\u1ea1ch c\u00e1c th\u00e0nh c\u1ee7a n\u1ed3i nh\u1eb1m lo\u1ea1i b\u1ecf c\u00e1c tinh th\u1ec3 l\u1ea1c l\u00f5ng.<\/div>\n
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Th\u00eam m\u00e0u s\u1eafc v\u00e0 h\u01b0\u01a1ng v\u1ecb \u0111\u00fang th\u1eddi \u0111i\u1ec3m. M\u00e0u gel ho\u1eb7c b\u1ed9t ch\u1ecbu nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam trong qu\u00e1 tr\u00ecnh s\u00f4i. H\u01b0\u01a1ng li\u1ec7u d\u1ec5 bay h\u01a1i ph\u1ea3i \u0111\u01b0\u1ee3c th\u00eam sau khi n\u1ed3i \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ea5y ra kh\u1ecfi nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y ng\u0103n c\u00e1c h\u1ee3p ch\u1ea5t th\u01a1m b\u1ecb ph\u00e2n h\u1ee7y ho\u1eb7c bay h\u01a1i. Gi\u1eef nguy\u00ean h\u01b0\u01a1ng v\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a s\u1ea3n ph\u1ea9m.<\/div>\n
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B\u01b0\u1edbc 3: \u0110\u1ed5<\/h3>\n
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B\u01b0\u1edbc n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a dung d\u1ecbch n\u00f3ng, \u0111\u1eb7c v\u00e0 nh\u1edbt. Vi\u1ec7c \u0111\u1ed5 c\u00f3 ki\u1ec3m so\u00e1t l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng ho\u00e0n h\u1ea3o.<\/div>\n
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\u0110\u1ec3 dung d\u1ecbch ngh\u1ec9 30-60 gi\u00e2y sau khi l\u1ea5y ra kh\u1ecfi nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p m\u1ed9t s\u1ed1 bong b\u00f3ng l\u1edbn n\u1ed5i l\u00ean v\u00e0 v\u1ee1. \u0110\u1ed9 nh\u1edbt c\u1ee7a dung d\u1ecbch li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3. Khi ngu\u1ed9i nh\u1eb9, n\u00f3 tr\u1edf n\u00ean \u0111\u1eb7c h\u01a1n v\u00e0 d\u1ec5 ki\u1ec3m so\u00e1t h\u01a1n.<\/div>\n
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\u0110\u1ed5 ch\u1eadm v\u00e0 \u0111\u1ec1u t\u1eeb \u0111\u1ed9 cao th\u1ea5p. \u0110\u1ed5 t\u1eeb tr\u00ean cao xu\u1ed1ng khu\u00f4n s\u1ebd t\u1ea1o ra kh\u00ed. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra bong b\u00f3ng b\u1ecb m\u1eafc k\u1eb9t khi k\u1eb9o \u0111\u00f4ng l\u1ea1i. Vi\u1ec7c \u0111\u1ed5 c\u1ea9n th\u1eadn, g\u1ea7n s\u1ebd gi\u1ea3m thi\u1ec3u t\u00e1c d\u1ee5ng n\u00e0y.<\/div>\n
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B\u01b0\u1edbc 4: Th\u00e1o khu\u00f4n v\u00e0 x\u1eed l\u00fd sau \u0111\u00f4ng c\u1ee9ng<\/h3>\n
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B\u01b0\u1edbc cu\u1ed1i c\u00f9ng l\u00e0 th\u00e1o k\u1eb9o ra kh\u1ecfi khu\u00f4n v\u00e0 chu\u1ea9n b\u1ecb cho vi\u1ec7c b\u1ea3o qu\u1ea3n. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi hi\u1ec3u bi\u1ebft v\u1ec1 tr\u1ea1ng th\u00e1i v\u1eadt l\u00fd cu\u1ed1i c\u00f9ng c\u1ee7a n\u00f3.<\/div>\n
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K\u1eb9o \u0111\u00e3 \u0111\u00f4ng c\u1ee9ng ho\u00e0n to\u00e0n v\u00e0 s\u1eb5n s\u00e0ng \u0111\u1ec3 th\u00e1o khu\u00f4n ch\u1ec9 khi n\u00f3 \u0111\u00e3 ngu\u1ed9i ho\u00e0n to\u00e0n. N\u00f3 ph\u1ea3i th\u1ea5p h\u01a1n nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed5i th\u1ee7y tinh c\u1ee7a n\u00f3. Ph\u1ea3i c\u1ee9ng v\u00e0 kh\u00f4ng c\u00f2n d\u00ednh v\u00e0o tay n\u1eefa.<\/div>\n
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Ngay l\u1eadp t\u1ee9c x\u1eed l\u00fd khoa h\u1ecdc v\u1ec1 t\u00ednh h\u00fat \u1ea9m. K\u1eb9o c\u1ee9ng v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 \u0111\u01b0\u1eddng \u0111\u00e3 kh\u00f4<\/a>. N\u00f3 s\u1ebd c\u1ed1 g\u1eafng h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m t\u1eeb kh\u00f4ng kh\u00ed m\u1ed9t c\u00e1ch m\u1ea1nh m\u1ebd. \u0110i\u1ec1u n\u00e0y l\u00e0m b\u1ec1 m\u1eb7t d\u00ednh. \u0110\u1ec3 tr\u00e1nh \u0111i\u1ec1u n\u00e0y, l\u01b0u tr\u1eef c\u00e1c mi\u1ebfng \u0111\u00e3 ho\u00e0n th\u00e0nh ngay l\u1eadp t\u1ee9c trong c\u00e1c h\u1ed9p k\u00edn kh\u00ed. \u01afu ti\u00ean s\u1eed d\u1ee5ng t\u00fai h\u00fat \u1ea9m an to\u00e0n th\u1ef1c ph\u1ea9m \u0111\u1ec3 h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m c\u00f2n l\u1ea1i.<\/div>\n
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X\u1eed l\u00fd s\u1ef1 c\u1ed1 n\u00e2ng cao<\/h2>\n
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Ngay c\u1ea3 v\u1edbi k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c, v\u1ea5n \u0111\u1ec1 v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra. M\u1ed9t chuy\u00ean gia th\u1ef1c th\u1ee5 c\u00f3 th\u1ec3 ch\u1ea9n \u0111o\u00e1n nguy\u00ean nh\u00e2n th\u1ea5t b\u1ea1i d\u1ef1a tr\u00ean c\u00e1c tri\u1ec7u ch\u1ee9ng quan s\u00e1t \u0111\u01b0\u1ee3c. H\u1ecd c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng gi\u1ea3i ph\u00e1p khoa h\u1ecdc.<\/div>\n
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Ph\u1ea7n n\u00e0y cung c\u1ea5p ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n c\u1ee7a c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 k\u1eb9o. N\u00f3 bi\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 th\u00e0nh c\u01a1 h\u1ed9i h\u1ecdc h\u1ecfi.<\/div>\n
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Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n l\u1ed7i<\/h3>\n
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X\u1eed l\u00fd s\u1ef1 c\u1ed1 kh\u00f4ng n\u00ean l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i \u0111o\u00e1n m\u00f2. B\u1eb1ng c\u00e1ch xem c\u00e1c l\u1ed7i l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t nguy\u00ean nh\u00e2n k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda ch\u1eefa g\u1ed1c r\u1ec5 c\u1ee7a v\u1ea5n \u0111\u1ec1 m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng.<\/div>\n
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Ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n n\u00e0y hi\u1ec7u qu\u1ea3 h\u01a1n nhi\u1ec1u so v\u1edbi danh s\u00e1ch ng\u1eabu nhi\u00ean c\u00e1c m\u1eb9o. N\u00f3 s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o g\u1eb7p ph\u1ea3i.<\/div>\n
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B\u1ea3ng 3: H\u01b0\u1edbng D\u1eabn Kh\u1eafc Ph\u1ee5c S\u1ef1 C\u1ed1 K\u1ef9 Thu\u1eadt Cho K\u1eb9o \u0110\u00fac<\/h3>\n
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\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
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V\u1ea5n \u0111\u1ec1\/L\u1ed7i<\/div>\n<\/td>\n
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Tri\u1ec7u ch\u1ee9ng quan s\u00e1t \u0111\u01b0\u1ee3c<\/div>\n<\/td>\n
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Nguy\u00ean nh\u00e2n k\u1ef9 thu\u1eadt c\u00f3 kh\u1ea3 n\u0103ng nh\u1ea5t<\/div>\n<\/td>\n
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Gi\u1ea3i ph\u00e1p khoa h\u1ecdc & Ph\u00f2ng ng\u1eeba<\/div>\n<\/td>\n<\/tr>\n
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K\u1eb9o v\u00f3n c\u1ee5c \/ ng\u1ecdt<\/div>\n<\/td>\n
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V\u1eadt li\u1ec7u m\u1edd, k\u1ebft c\u1ea5u th\u00f4 r\u00e1p, kh\u00f4ng m\u1ecbn m\u00e0ng.<\/div>\n<\/td>\n
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K\u1ebft tinh s\u1edbm ho\u1eb7c kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c.<\/div>\n<\/td>\n
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1. \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 \u0111\u01b0\u1eddng \u0111\u00e3 tan h\u1ebft tr\u01b0\u1edbc khi \u0111un s\u00f4i. 2. Lau s\u1ea1ch th\u00e0nh n\u1ed3i. 3. S\u1eed d\u1ee5ng \u0111\u1ee7 l\u01b0\u1ee3ng ch\u1ea5t g\u00e2y nhi\u1ec5u (v\u00ed d\u1ee5, xi-r\u00f4 ng\u00f4).<\/div>\n<\/td>\n<\/tr>\n
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K\u1eb9o d\u00ednh \/ ch\u1ea3y n\u01b0\u1edbc<\/div>\n<\/td>\n
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B\u1ec1 m\u1eb7t tr\u1edf n\u00ean \u1ea9m \u01b0\u1edbt v\u00e0 d\u00ednh sau khi \u0111\u00f4ng c\u1ee9ng.<\/div>\n<\/td>\n
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Kh\u1ea3 n\u0103ng h\u00fat \u1ea9m; h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m t\u1eeb kh\u00f4ng kh\u00ed.<\/div>\n<\/td>\n
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1. N\u1ea5u \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 c\u1ee9ng v\u1ee1 cao h\u01a1n (310\u00b0F\/154\u00b0C). 2. L\u00e0m vi\u1ec7c trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed9 \u1ea9m th\u1ea5p (<35%). 3. B\u1ea3o qu\u1ea3n ngay trong h\u1ed9p k\u00edn kh\u00ed c\u00f3 g\u00f3i h\u00fat \u1ea9m.<\/div>\n<\/td>\n<\/tr>\n
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M\u00e0u v\u00e0ng \/ n\u00e2u<\/div>\n<\/td>\n
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K\u1eb9o kh\u00f4ng trong ho\u1eb7c c\u00f3 m\u00e0u t\u1ed1i.<\/div>\n<\/td>\n
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\u0110\u01b0\u1eddng b\u1eaft \u0111\u1ea7u caramel h\u00f3a ho\u1eb7c ch\u00e1y.<\/div>\n<\/td>\n
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1. S\u1eed d\u1ee5ng n\u1ed3i d\u00e0y \u0111\u00e1y \u0111\u1ec3 nhi\u1ec7t \u0111\u1ec1u. 2. Theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 c\u1ea9n th\u1eadn v\u00e0 l\u1ea5y ra ngay khi \u0111\u1ea1t m\u1ee5c ti\u00eau. 3. Kh\u00f4ng c\u1ea1o \u0111\u00e1y n\u1ed3i.<\/div>\n<\/td>\n<\/tr>\n
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B\u1ecdt trong k\u1eb9o<\/div>\n<\/td>\n
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Nhi\u1ec1u l\u1ed7 kh\u00ed nh\u1ecf ho\u1eb7c l\u1edbn b\u1ecb m\u1eafc k\u1eb9t.<\/div>\n<\/td>\n
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1. Khu\u1ea5y qu\u00e1 m\u1ee9c sau khi \u0111un s\u00f4i. 2. \u0110\u1ed5 qu\u00e1 nhanh ho\u1eb7c t\u1eeb \u0111\u1ed9 cao qu\u00e1 cao. 3. N\u01b0\u1edbc trong c\u00e1c h\u01b0\u01a1ng li\u1ec7u\/m\u00e0u s\u1eafc bay h\u01a1i khi \u0111un s\u00f4i.<\/div>\n<\/td>\n
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1. \u0110\u1ec3 siro ngh\u1ec9 ngo\u00e0i l\u1eeda trong m\u1ed9t ph\u00fat \u0111\u1ec3 b\u1ecdt kh\u00ed n\u1ed5i l\u00ean. 2. R\u00f3t ch\u1eadm v\u00e0 g\u1ea7n khu\u00f4n. 3. S\u1eed d\u1ee5ng m\u00e0u c\u00f3 h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea5p (d\u1ea1ng gel\/b\u1ed9t).<\/div>\n<\/td>\n<\/tr>\n
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K\u1eb9o gi\u00f2n \/ K\u1eb9o d\u1ec5 v\u1ee1<\/div>\n<\/td>\n
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K\u1eb9o qu\u00e1 mong manh v\u00e0 d\u1ec5 v\u1ee1 v\u1ee5n.<\/div>\n<\/td>\n
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1. N\u1ea5u \u1edf nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao. 2. Thi\u1ebfu ch\u1ea5t c\u1ea3n tr\u1edf t\u1ea1o ra th\u1ee7y tinh sucrose tinh khi\u1ebft, kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/div>\n<\/td>\n
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1. Ki\u1ec3m tra l\u1ea1i hi\u1ec7u chu\u1ea9n nhi\u1ec7t k\u1ebf. 2. \u0110\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 siro b\u1eafp ho\u1eb7c c\u00e1c ch\u1ea5t c\u1ea3n tr\u1edf kh\u00e1c ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea1o c\u1ea5u tr\u00fac th\u1ee7y tinh \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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K\u1ebft lu\u1eadn: T\u1eeb ki\u1ebfn th\u1ee9c \u0111\u1ebfn th\u00e0nh th\u1ea1o<\/h2>\n
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B\u1ea1n hi\u1ec7n \u0111\u00e3 s\u1edf h\u1eefu n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt \u0111\u1ec3 v\u01b0\u1ee3t qua vi\u1ec7c ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0m k\u1eb9o. B\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ef1c s\u1ef1 ch\u1ebf t\u1ea1o k\u1eb9o. S\u1ef1 th\u00e0nh th\u1ea1o \u0111\u1ea1t \u0111\u01b0\u1ee3c khi k\u1ef9 n\u0103ng th\u1ef1c h\u00e0nh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng hi\u1ec3u bi\u1ebft khoa h\u1ecdc.<\/div>\n
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Ki\u1ebfn th\u1ee9c n\u00e0y trao quy\u1ec1n cho b\u1ea1n s\u00e1ng t\u1ea1o v\u1edbi ch\u1ee7 \u0111\u00edch v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/div>\n
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T\u00f3m t\u1eaft c\u00e1c nguy\u00ean t\u1eafc ch\u00ednh<\/h3>\n
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H\u00e0nh tr\u00ecnh t\u1eeb ng\u01b0\u1eddi m\u1edbi \u0111\u1ebfn chuy\u00ean gia trong l\u0129nh v\u1ef1c \u0111\u00fac k\u1eb9o \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean vi\u1ec7c l\u00e0m ch\u1ee7 m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i:<\/div>\n
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