{"id":8744,"date":"2023-08-17T13:56:23","date_gmt":"2023-08-17T06:56:23","guid":{"rendered":"https:\/\/pcecatlam.vn\/?post_type=product&p=8744"},"modified":"2024-07-01T15:16:25","modified_gmt":"2024-07-01T08:16:25","slug":"phu-gia-tang-duy-tri-acid-citric","status":"publish","type":"product","link":"https:\/\/pcecatlam.vn\/km\/product\/phu-gia-tang-duy-tri-acid-citric\/","title":{"rendered":"\u179f\u17b6\u179a\u1792\u17b6\u178f\u17bb\u1794\u1793\u17d2\u1790\u17c2\u1798\u178a\u17be\u1798\u17d2\u1794\u17b8\u1794\u1784\u17d2\u1780\u17be\u1793 \u1793\u17b7\u1784\u179a\u1780\u17d2\u179f\u17b6\u17a2\u17b6\u179f\u17ca\u17b8\u178f\u1793\u17c3\u1780\u17d2\u179a\u17bc\u1785\u1786\u17d2\u1798\u17b6"},"content":{"rendered":"

Acid Citric hay axit xitric l\u00e0 m\u1ed9t axit h\u1eefu c\u01a1 y\u1ebfu. <\/span><\/p>\n

N\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t b\u1ea3o qu\u1ea3n t\u1ef1 nhi\u00ean an to\u00e0n v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 b\u1ed5 sung v\u1ecb chua cho th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c lo\u1ea1i n\u01b0\u1edbc ng\u1ecdt. <\/span><\/p>\n

Trong h\u00f3a sinh h\u1ecdc, n\u00f3 l\u00e0 t\u00e1c nh\u00e2n trung gian quan tr\u1ecdng xu\u1ea5t hi\u1ec7n trong trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c lo\u00e0i sinh v\u1eadt. N\u00f3 c\u0169ng \u0111\u00f3ng vai tr\u00f2 c\u1ee7a ch\u1ea5t ch\u1ed1ng oxi h\u00f3a.<\/span><\/p>\n

Acid Citric t\u1ed3n t\u1ea1i trong m\u1ed9t lo\u1ea1t c\u00e1c lo\u1ea1i rau qu\u1ea3, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c lo\u1ea1i qu\u1ea3 c\u1ee7a chi Citrus, h\u1ecd chanh. <\/span><\/p>\n

C\u00e1c lo\u1ea1i chanh th\u01b0\u1eddng c\u00f3 h\u00e0m l\u01b0\u1ee3ng cao axit citric; c\u00f3 th\u1ec3 t\u1edbi 8% kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u00fang (1,38-1,44 gam tr\u00ean m\u1ed7i Ounce n\u01b0\u1edbc qu\u1ea3). <\/span><\/p>\n

H\u00e0m l\u01b0\u1ee3ng c\u1ee7a axit xitric trong n\u1eb1m t\u1eeb 0,005 mol\/L tr\u1edf l\u00ean \u0111\u1ed1i v\u1edbi c\u00e1c lo\u00e0i cam v\u00e0 b\u01b0\u1edfi ch\u00f9m , t\u1edbi 0,030 mol\/L trong c\u00e1c lo\u00e0i chanh. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng gieo tr\u1ed3ng.<\/span><\/p>\n

\u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, axit xitric t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng tinh th\u1ec3 m\u00e0u tr\u1eafng ( b\u1ed9t tr\u1eafng ) . N\u00f3 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng khan (kh\u00f4ng ch\u1ee9a n\u01b0\u1edbc) hay d\u01b0\u1edbi d\u1ea1ng ng\u1eadm m\u1ed9t ph\u00e2n t\u1eed n\u01b0\u1edbc (monohydrat). <\/span><\/p>\n

D\u1ea1ng khan k\u1ebft tinh t\u1eeb n\u01b0\u1edbc n\u00f3ng, trong khi d\u1ea1ng monohydrat h\u00ecnh th\u00e0nh khi acid Citric k\u1ebft tinh t\u1eeb n\u01b0\u1edbc l\u1ea1nh. <\/span><\/p>\n

D\u1ea1ng monohydrat c\u00f3 th\u1ec3 chuy\u1ec3n h\u00f3a th\u00e0nh d\u1ea1ng khan khi nung n\u00f3ng t\u1edbi tr\u00ean 74\u00b0C. Axit xitric c\u0169ng h\u00f2a tan trong etanol khan tuy\u1ec7t \u0111\u1ed1i (Ax\u00edt xitr\u00edc\/etanol = 76 % ) \u1edf 15\u00b0C.<\/span><\/p>\n

V\u1ec1 c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc, Acid Citric chia s\u1ebb c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c ax\u00edt cacboxylic kh\u00e1c. Khi b\u1ecb nung n\u00f3ng tr\u00ean 175 \u00b0C, n\u00f3 b\u1ecb ph\u00e2n h\u1ee7y \u0111\u1ec3 gi\u1ea3i ph\u00f3ng \u0111i\u00f4xit carbon v\u00e0 H2O<\/span><\/p>\n

\u0110\u00f3ng g\u00f3i<\/b>: 25kg\/bao<\/span><\/p>\n

Xu\u1ea5t s\u1ee9:<\/b> Trung Qu\u1ed1c<\/span><\/p>\n

\u1ee8ng d\u1ee5ng trong ng\u00e0nh x\u00e2y d\u1ef1ng:<\/b><\/h2>\n

– T\u0103ng kh\u1ea3 n\u0103ng duy tr\u00ec cho b\u00ea t\u00f4ng \/ v\u1eefa<\/span><\/p>\n

M\u1ee9c \u0111\u1ed9 an to\u00e0n:<\/b><\/h2>\n

Acid Citric \u0111\u01b0\u1ee3c h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia v\u00e0 t\u1ed5 ch\u1ee9c qu\u1ed1c t\u1ebf c\u00f4ng nh\u1eadn l\u00e0 an to\u00e0n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong th\u1ef1c ph\u1ea9m. N\u00f3 hi\u1ec7n di\u1ec7n t\u1ef1 nhi\u00ean trong g\u1ea7n nh\u01b0 m\u1ecdi d\u1ea1ng s\u1ef1 s\u1ed1ng. C\u01a1 th\u1ec3 n\u1ebfu h\u1ea5p th\u1ee5 d\u01b0 th\u01b0a c\u00e1c l\u01b0\u1ee3ng axit citric s\u1ebd v\u1eabn d\u1ec5 d\u00e0ng trao \u0111\u1ed5i v\u00e0 b\u00e0i ti\u1ebft ra \u0111\u01b0\u1ee3c. Tuy nhi\u00ean, vi\u1ec7c ti\u1ebfp x\u00fac v\u1edbi axit citric n\u1ed3ng \u0111\u1ed9 cao, kh\u00f4 hay \u0111\u1eadm \u0111\u1eb7c. C\u00f3 th\u1ec3 g\u00e2y ra k\u00edch \u1ee9ng da v\u00e0 m\u1eaft, v\u00ec th\u1ebf b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi ti\u1ebfp x\u00fac v\u1edbi axit citric.<\/span><\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u acid Citric trong th\u1eddi gian d\u00e0i c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn men r\u0103ng. Ti\u1ebfp x\u00fac g\u1ea7n v\u1edbi m\u1eaft c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng v\u00e0 l\u00e0m m\u1ea5t th\u1ecb gi\u00e1c.<\/span><\/p>\n

\u0110\u00f4i khi h\u00e0m l\u01b0\u1ee3ng qu\u00e1 cao axit citric c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n h\u1ea1i cho t\u00f3c, do n\u00f3 m\u1edf l\u1edbp cutin c\u1ee7a t\u00f3c. N\u00f3 c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t c\u00e1c ch\u1ea5t c\u1ea7n thi\u1ebft cho t\u00f3c v\u00e0 l\u00e0m t\u00f3c b\u1ecb b\u1ea1c m\u00e0u.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

Acid Citric hay axit xitric l\u00e0 m\u1ed9t axit h\u1eefu c\u01a1 y\u1ebfu. N\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t b\u1ea3o qu\u1ea3n t\u1ef1 nhi\u00ean an to\u00e0n v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 b\u1ed5 sung v\u1ecb chua cho th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c lo\u1ea1i n\u01b0\u1edbc ng\u1ecdt. Trong h\u00f3a sinh h\u1ecdc, n\u00f3 l\u00e0 t\u00e1c nh\u00e2n trung gian quan tr\u1ecdng xu\u1ea5t hi\u1ec7n trong trao \u0111\u1ed5i […]<\/p>","protected":false},"featured_media":9434,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yst_prominent_words":[],"acf":[],"_links":{"self":[{"href":"https:\/\/pcecatlam.vn\/km\/wp-json\/wp\/v2\/product\/8744"}],"collection":[{"href":"https:\/\/pcecatlam.vn\/km\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pcecatlam.vn\/km\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/km\/wp-json\/wp\/v2\/comments?post=8744"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/km\/wp-json\/wp\/v2\/media\/9434"}],"wp:attachment":[{"href":"https:\/\/pcecatlam.vn\/km\/wp-json\/wp\/v2\/media?parent=8744"}],"wp:term":[{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/pcecatlam.vn\/km\/wp-json\/wp\/v2\/yst_prominent_words?post=8744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}