{"id":3407,"date":"2023-03-20T08:02:06","date_gmt":"2023-03-20T08:02:06","guid":{"rendered":"http:\/\/site2.easyceotech.com\/?post_type=product&p=3407"},"modified":"2024-03-12T07:55:11","modified_gmt":"2024-03-12T07:55:11","slug":"sodium-benzoate-2","status":"publish","type":"product","link":"https:\/\/wpachem.com\/vi\/product\/sodium-benzoate-2\/","title":{"rendered":"Natri Benzoat"},"content":{"rendered":"

S\u1eed d\u1ee5ng natri benzoat<\/strong><\/p>\n

1. Natri benzoat, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 natri benzoat, l\u00e0 m\u1ed9t ch\u1ea5t b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m \u1edf Trung Qu\u1ed1c. N\u00f3 c\u00f3 m\u00f9i benzoin kh\u00f4ng m\u00f9i ho\u1eb7c c\u00f3 m\u00f9i th\u01a1m nh\u1eb9 v\u00e0 c\u00f3 v\u1ecb ng\u1ecdt. \u1ed4n \u0111\u1ecbnh trong kh\u00f4ng kh\u00ed, n\u00f3 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m trong kh\u00f4ng kh\u00ed ti\u1ebfp x\u00fac. C\u00f3 trong qu\u1ea3 vi\u1ec7t qu\u1ea5t, t\u00e1o, m\u1eadn, nam vi\u1ec7t qu\u1ea5t, nam vi\u1ec7t qu\u1ea5t, m\u1eadn kh\u00f4, qu\u1ebf v\u00e0 \u0111inh h\u01b0\u01a1ng, t\u00ednh ch\u1ea5t di\u1ec7t khu\u1ea9n c\u1ee7a n\u00f3 y\u1ebfu h\u01a1n axit benzoic v\u00e0 s\u1ee9c m\u1ea1nh di\u1ec7t khu\u1ea9n c\u1ee7a 1,180 g natri benzoat t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi kho\u1ea3ng 1 g axit benzoic.<\/p>\n

2. Trong m\u00f4i tr\u01b0\u1eddng axit, natri benzoat c\u00f3 t\u00e1c d\u1ee5ng \u1ee9c ch\u1ebf \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi nhi\u1ec1u lo\u1ea1i vi sinh v\u1eadt. Khi pH l\u00e0 3,5, dung d\u1ecbch 0,05% c\u00f3 th\u1ec3 \u1ee9c ch\u1ebf ho\u00e0n to\u00e0n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ea5m men, nh\u01b0ng khi pH tr\u00ean 5,5, n\u00f3 c\u00f3 t\u00e1c d\u1ee5ng k\u00e9m \u0111\u1ed1i v\u1edbi nhi\u1ec1u lo\u1ea1i n\u1ea5m m\u1ed1c v\u00e0 n\u1ea5m men. H\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng trong dung d\u1ecbch ki\u1ec1m.<\/p>\n

3. Natri benzoat sau khi v\u00e0o c\u01a1 th\u1ec3 ng\u01b0\u1eddi s\u1ebd k\u1ebft h\u1ee3p v\u1edbi glycin t\u1ea1o th\u00e0nh axit uric ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi axit glucuronic t\u1ea1o th\u00e0nh glucuronide trong qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a sinh h\u1ecdc, to\u00e0n b\u1ed9 \u0111\u01b0\u1ee3c b\u00e0i ti\u1ebft qua n\u01b0\u1edbc ti\u1ec3u, kh\u00f4ng t\u00edch t\u1ee5 trong c\u01a1 th\u1ec3. L\u00e0 ch\u1ea5t b\u1ea3o qu\u1ea3n an to\u00e0n h\u01a1n trong ph\u1ea1m vi li\u1ec1u l\u01b0\u1ee3ng th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng \u0111\u1ed9c h\u1ea1i \u0111\u1ed1i v\u1edbi c\u01a1 th\u1ec3 ng\u01b0\u1eddi. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong \u0111\u1ed3 u\u1ed1ng c\u00f3 ga, n\u01b0\u1edbc \u00e9p c\u00f4 \u0111\u1eb7c, b\u01a1 th\u1ef1c v\u1eadt, k\u1eb9o cao su, m\u1ee9t, th\u1ea1ch, n\u01b0\u1edbc t\u01b0\u01a1ng, v.v.<\/p>\n

4. L\u01b0\u1ee3ng d\u00f9ng cho ph\u00e9p h\u00e0ng ng\u00e0y (ADI) l\u00e0 <5 mg\/kg tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 (t\u00ednh theo axit benzoic).<\/p>\n

Natri benzoat c\u00f3 t\u00ednh \u01b0a b\u00e9o h\u01a1n, d\u1ec5 d\u00e0ng x\u00e2m nh\u1eadp v\u00e0o m\u00e0ng t\u1ebf b\u00e0o, c\u1ea3n tr\u1edf t\u00ednh th\u1ea5m c\u1ee7a m\u00e0ng t\u1ebf b\u00e0o, \u1ee9c ch\u1ebf s\u1ef1 h\u1ea5p th\u1ee5 axit amin c\u1ee7a m\u00e0ng t\u1ebf b\u00e0o, \u0111i v\u00e0o kho d\u1ef1 tr\u1eef ki\u1ec1m trong c\u00e1c t\u1ebf b\u00e0o axit h\u00f3a ion h\u00f3a c\u1ee7a t\u1ebf b\u00e0o v\u00e0 \u1ee9c ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a enzyme h\u00f4 h\u1ea5p c\u1ee7a t\u1ebf b\u00e0o. Ng\u0103n ch\u1eb7n ph\u1ea3n \u1ee9ng ng\u01b0ng t\u1ee5 acetyl-CoA, do \u0111\u00f3 ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m.<\/p>","protected":false},"excerpt":{"rendered":"

T\u00ean s\u1ea3n ph\u1ea9m: Natri benzoat
\nS\u1ed1 CAS: 532-32-1
\nMF:C7H5NaO2
\nNgo\u1ea1i h\u00ecnh: s\u1ee9c m\u1ea1nh m\u00e0u tr\u1eafng<\/p>","protected":false},"featured_media":2157,"template":"","meta":{"_acf_changed":false,"_gspb_post_css":""},"product_brand":[],"product_cat":[55,57],"product_tag":[],"class_list":{"0":"post-3407","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-food-additives","7":"product_cat-preservative","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product\/3407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product\/3407\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/media\/2157"}],"wp:attachment":[{"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/media?parent=3407"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product_brand?post=3407"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product_cat?post=3407"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product_tag?post=3407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}