Tr\u00ean th\u1ecb tr\u01b0\u1eddng th\u01b0\u1eddng c\u00f3 b\u00e0y b\u00e1n nhi\u1ec1u lo\u1ea1i bia \u0111\u00f3ng chai. Tr\u00ean chai c\u00f3 nh\u00e3n ghi 12o, c\u00f3 nh\u00e3n ghi 14o\u2026 C\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng c\u00e1c ch\u1eef s\u1ed1 ghi tr\u00ean nh\u00e3n l\u00e0 bi\u1ec3u th\u1ecb h\u00e0m l\u01b0\u1ee3ng r\u01b0\u1ee3u tinh khi\u1ebft c\u1ee7a bia. Th\u1ef1c ra kh\u00f4ng ph\u1ea3i nh\u01b0 v\u1eady. Tr\u00ean c\u00e1c nh\u00e3n chai r\u01b0\u1ee3u, v\u00ed d\u1ee5 r\u01b0\u1ee3u m\u1ea1nh (60o), r\u01b0\u1ee3u tr\u1eafng 32o\u2026 kh\u00e1c nhau. N\u00f3i chung \u0111\u1ed9 r\u01b0\u1ee3u bi\u1ec3u th\u1ecb h\u00e0m l\u01b0\u1ee3ng r\u01b0\u1ee3u tinh. Nh\u01b0ng s\u1ed1 ghi tr\u00ean c\u00e1c nh\u00e3n chai bia kh\u00f4ng bi\u1ec3u th\u1ecb l\u01b0\u1ee3ng r\u01b0\u1ee3u tinh m\u00e0 bi\u1ec3u th\u1ecb \u0111\u1ed9 \u0111\u01b0\u1eddng trong r\u01b0\u1ee3u.<\/p>\n\n\n\n
Nh\u01b0 v\u1eady \u0111\u1ed9 \u0111\u01b0\u1eddng ghi tr\u00ean nh\u00e3n chai bia c\u00f3 \u00fd ngh\u0129a g\u00ec?<\/p>\n\n\n\n
Nguy\u00ean do l\u00e0 nguy\u00ean li\u1ec7u ch\u1ee7 y\u1ebfu \u0111\u1ec3 n\u1ea5u, \u1ee7 bia l\u00e0 \u0111\u1ea1i m\u1ea1ch. Qua qu\u00e1 tr\u00ecnh l\u00ean men, tinh b\u1ed9t \u0111\u1ea1i m\u1ea1ch chuy\u1ec3n ho\u00e1 th\u00e0nh \u0111\u01b0\u1eddng m\u1ea1ch nha (v\u00e0 c\u00e1c lo\u1ea1i \u0111\u01b0\u1eddng kh\u00e1c). B\u1ea5y gi\u1edd \u0111\u1ea1i m\u1ea1ch bi\u1ebfn th\u00e0nh d\u1ecbch men, d\u1ecbch men sau khi l\u00ean men bi\u1ebfn th\u00e0nh bia. \u0110\u01b0\u01a1ng nhi\u00ean trong qu\u00e1 tr\u00ecnh \u1ee7 bia ng\u01b0\u1eddi ta c\u00f2n cho th\u00eam hoa bia (houblon).<\/p>\n\n\n\n
\u0110\u01b0\u1eddng m\u1ea1ch nha l\u00e0 anh em v\u1edbi \u0111\u01b0\u1eddng m\u00eda m\u00e0 ch\u00fang ta \u0103n th\u01b0\u1eddng ng\u00e0y, ch\u1ec9 c\u00f3 kh\u00e1c l\u00e0 \u0111\u01b0\u1eddng m\u1ea1ch nha kh\u00f4ng ng\u1ecdt b\u1eb1ng \u0111\u01b0\u1eddng m\u00eda d\u00f9 ch\u00fang c\u00f3 th\u00e0nh ph\u1ea7n c\u00e1c nguy\u00ean t\u1ed1 v\u00e0 t\u1ed5 ch\u1ee9c gi\u1ed1ng nhau. Khi \u0111\u1ea1i m\u1ea1ch l\u00ean men s\u1ebd cho l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1eddng m\u1ea1ch nha, ch\u1ec9 c\u00f3 m\u1ed9t ph\u1ea7n \u0111\u01b0\u1eddng m\u1ea1ch nha chuy\u1ec3n ho\u00e1 th\u00e0nh r\u01b0\u1ee3u tinh (kh\u00e1c v\u1edbi bia, trong c\u00e1c lo\u1ea1i r\u01b0\u1ee3u kh\u00e1c, \u0111\u01b0\u1eddng chuy\u1ec3n ho\u00e1 ho\u00e0n to\u00e0n th\u00e0nh r\u01b0\u1ee3u tinh), ph\u1ea7n m\u1ea1ch nha c\u00f2n l\u1ea1i v\u1eabn t\u1ed3n t\u1ea1i trong bia. V\u00ec v\u1eady h\u00e0m l\u01b0\u1ee3ng r\u01b0\u1ee3u tinh trong bia kh\u00e1 th\u1ea5p, n\u00ean r\u01b0\u1ee3u tinh kh\u00f4ng ph\u1ea3i l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu c\u1ee7a bia. \u0110\u1ed9 dinh d\u01b0\u1ee1ng c\u1ee7a bia cao th\u1ea5p c\u00f3 li\u00ean quan \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng. V\u00ec v\u1eady theo t\u1eadp qu\u00e1n ng\u01b0\u1eddi ta d\u00f9ng \u0111\u1ed9 \u0111\u01b0\u1eddng \u0111\u1ec3 bi\u1ec3u th\u1ecb ph\u1ea9m ch\u1ea5t c\u1ee7a bia l\u00e0 cao hay th\u1ea5p.<\/p>\n\n\n\n
Trong qu\u00e1 tr\u00ecnh \u1ee7 bia, ng\u01b0\u1eddi ta \u0111o h\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng l\u00ean men (c\u00e1c lo\u1ea1i \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n chung th\u00e0nh h\u00e0m l\u01b0\u1ee3ng m\u1ea1ch nha). N\u1ebfu trong 100 ml d\u1ecbch l\u00ean men c\u00f3 12 g \u0111\u01b0\u1eddng, ng\u01b0\u1eddi ta bi\u1ec3u di\u1ec5n \u0111\u1ed9 \u0111\u01b0\u1eddng l\u00ean men l\u00e0 bia c\u00f3 12o. C\u00f2n nh\u01b0 bia c\u00f3 \u0111\u1ed9 bia l\u00e0 14o c\u00f3 ngh\u0129a l\u00e0 trong 100 ml d\u1ecbch l\u00ean men c\u00f3 14 g \u0111\u01b0\u1eddng. V\u00ec v\u1eady bia c\u00f3 \u0111\u1ed9 14o c\u00f3 gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng cao h\u01a1n bia 12o.<\/p>\n\n\n\n
Th\u1ebf th\u00ec trong bia 12 – 14o, c\u00f3 bao nhi\u00eau l\u01b0\u1ee3ng r\u01b0\u1ee3u tinh? Theo k\u1ebft qu\u1ea3 \u0111o \u0111\u1ea1c, h\u00e0m l\u01b0\u1ee3ng r\u01b0\u1ee3u trong bia ch\u1ec9 4%, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 1\/8 l\u01b0\u1ee3ng c\u1ed3n tinh trong r\u01b0\u1ee3u tr\u1eafng 32o. V\u00ec th\u1ebf bia kh\u00f4ng ph\u1ea3i l\u00e0 r\u01b0\u1ee3u m\u00e0 ch\u1ec9 l\u00e0 lo\u1ea1i th\u1ee9c u\u1ed1ng c\u00f3 c\u1ed3n.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: \u0110\u1ed9 \u0111\u01b0\u1eddng; \u0110\u01b0\u1eddng m\u1ea1ch nha; Bia.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Tr\u00ean th\u1ecb tr\u01b0\u1eddng th\u01b0\u1eddng c\u00f3 b\u00e0y b\u00e1n nhi\u1ec1u lo\u1ea1i bia \u0111\u00f3ng chai. Tr\u00ean chai c\u00f3 nh\u00e3n ghi 12o, c\u00f3 nh\u00e3n ghi 14o\u2026 C\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng c\u00e1c ch\u1eef s\u1ed1 ghi tr\u00ean nh\u00e3n l\u00e0 bi\u1ec3u th\u1ecb h\u00e0m l\u01b0\u1ee3ng r\u01b0\u1ee3u tinh khi\u1ebft c\u1ee7a bia. Th\u1ef1c ra kh\u00f4ng ph\u1ea3i nh\u01b0 v\u1eady. Tr\u00ean c\u00e1c nh\u00e3n chai r\u01b0\u1ee3u, v\u00ed d\u1ee5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-8072","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8072","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8072"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8072\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}