T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 9 – Arkady Leokum<\/p>\n\n\n\n
S\u1ef1 l\u00ean men l\u00e0 m\u1ed9t bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc trong \u0111\u00f3 nh\u1eefng h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc b\u1ecb ph\u00e2n h\u00f3a h\u00e0nh nh\u1eefng d\u1ea1ng \u0111\u01a1n gi\u1ea3n h\u01a1n. S\u1ef1 bi\u1ebfn \u0111\u1ed5i n\u00e0y do m\u1ed9t ch\u1ea5t t\u00ean g\u1ecdi l\u00e0 enzyme g\u00e2y ra, ch\u1ea5t n\u00e0y do c\u00e1c th\u1ef1c v\u1eadt hay \u0111\u1ed9ng v\u1eadt nh\u1ecf li ti s\u1ea3n sinh ra. Men ch\u1eb3ng h\u1ea1n, l\u00e0 nh\u1eefng th\u1ef1c v\u1eadt \u0111\u01a1n b\u00e0o s\u1ea3n sinh ra ch\u1ea5t enzyme.<\/p>\n\n\n\n
C\u00f3 ba lo\u1ea1i l\u00ean men ch\u00ednh: r\u01b0\u1ee3u, gi\u1ea5m v\u00e0 s\u1ef1 th\u1ed1i r\u1eefa. M\u1ed7i lo\u1ea1i nh\u01b0 th\u1ebf g\u00e2y n\u00ean b\u1edfi s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a vi khu\u1ea9n l\u00e0 men hay meo, s\u1ea3n sinh ra lo\u1ea1i enzyme \u0111\u1eb7c bi\u1ec7t ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 nh\u1eefng bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc. N\u01b0\u1edbc \u0111\u01b0\u1eddng, tr\u00e1i c\u00e2y khi \u1ee7 l\u00ean men c\u00f3 ch\u1ee9a m\u1ed9t ch\u1ea5t enzyme g\u1ecdi l\u00e0 zymase, n\u00f3 s\u1ebd bi\u1ebfn th\u00e0nh r\u01b0\u1ee3u.<\/p>\n\n\n\n
R\u01b0\u1ee3u nho hay r\u01b0\u1ee3u t\u00e1o tr\u1edf th\u00e0nh gi\u1ea5m khi c\u00f3 lo\u1ea1i vi khu\u1ea9n \u201cgi\u1ea5m c\u00e1i\u201d hi\u1ec7n di\u1ec7n. \u0110\u1ea5y l\u00e0 s\u1ef1 l\u00ean men gi\u1ea5m. Th\u1ecbt c\u1ee7a th\u00fa v\u1eadt b\u1ecb th\u1ed1i r\u1eefa khi tr\u00ean th\u1ecbt n\u1ed5i l\u00ean m\u1ed9t lo\u1ea1i men.<\/p>\n\n\n\n
S\u1ef1 l\u00ean men c\u0169ng gi\u00fap ti\u00eau h\u00f3a th\u1ee9c \u0103n. M\u1ed9t ch\u1ea5t enzyme goi l\u00e0 ptyalin c\u00f3 trong n\u01b0\u1edbc mi\u1ebfng bi\u1ebfn \u0111\u1ed5i th\u1ef1c ph\u1ea9m th\u00e0nh ch\u1ea5t \u0111\u01b0\u1eddng h\u1ea5p thu \u0111\u01b0\u1ee3c, \u0111\u00f3 l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u c\u1ee7a s\u1ef1 ti\u00eau h\u00f3a. Nh\u1eefng ch\u1ea5t enzyme c\u0169ng c\u00f3 trong d\u1ea1 d\u00e0y, ru\u1ed9t gi\u00e0, ru\u1ed9t non, tuy\u1ebfn t\u1ee5y v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c n\u1eefa.<\/p>\n\n\n\n
Men \u0111\u01b0\u1ee3c b\u1ecf v\u00e0o b\u1ed9t \u0111\u1ec3 l\u00e0m cho b\u00e1nh m\u00ec tr\u1edf n\u00ean nh\u1eb9 do n\u00f3 t\u1ea1o n\u00ean nhi\u1ec1u bong b\u00f3ng kh\u00ed CO2, kh\u00ed n\u00e0y nh\u01b0 nh\u1eefng enzyme t\u1ea5n c\u00f4ng b\u1ed9t v\u00e0 \u0111\u01b0\u1eddng trong b\u00e1nh m\u00ec.<\/p>\n\n\n\n
\u0110\u00f4i khi s\u1ef1 l\u00ean men c\u0169ng c\u00f3 h\u1ea1i. Mu\u1ed1n gi\u1eef th\u1ef1c ph\u1ea9m kh\u1ecfi b\u1ecb h\u01b0 th\u1ed1i n\u00ean \u0111\u1ec3 ch\u1ed7 m\u00e1t hay trong t\u1ee7 l\u1ea1nh, n\u01a1i nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0m ch\u1eadm s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi khu\u1ea9n, men hay meo. Mu\u1ed1n gi\u1eef th\u1ee9c \u0103n \u0111\u01b0\u1ee3c l\u00e2u d\u00e0i ph\u1ea3i di\u1ec7t \u0111\u01b0\u1ee3c nh\u1eefng t\u00e1c nh\u00e2n l\u00ean men b\u1eb1ng c\u00e1ch \u0111un s\u00f4i v\u00e0 sau \u0111\u00f3 kh\u1eb1n k\u00edn. \u0110\u00f3 l\u00e0 c\u00e1ch \u0111\u00f3ng h\u1ed9p.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 9 – Arkady Leokum S\u1ef1 l\u00ean men l\u00e0 m\u1ed9t bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc trong \u0111\u00f3 nh\u1eefng h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc b\u1ecb ph\u00e2n h\u00f3a h\u00e0nh nh\u1eefng d\u1ea1ng \u0111\u01a1n gi\u1ea3n h\u01a1n. S\u1ef1 bi\u1ebfn \u0111\u1ed5i n\u00e0y do m\u1ed9t ch\u1ea5t t\u00ean g\u1ecdi l\u00e0 enzyme g\u00e2y ra, ch\u1ea5t […]<\/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":[15],"tags":[],"class_list":["post-15515","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15515","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=15515"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15515\/revisions"}],"predecessor-version":[{"id":15516,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15515\/revisions\/15516"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}