{"id":3555,"date":"2023-03-22T05:21:33","date_gmt":"2023-03-22T05:21:33","guid":{"rendered":"http:\/\/site2.easyceotech.com\/?post_type=product&#038;p=3555"},"modified":"2024-03-12T07:41:19","modified_gmt":"2024-03-12T07:41:19","slug":"vitamin-b12","status":"publish","type":"product","link":"https:\/\/wpachem.com\/vi\/product\/vitamin-b12\/","title":{"rendered":"Vitamin B12"},"content":{"rendered":"<p><b><span class=\"magic-11\" data-spm-anchor-id=\"a2700.details.0.i25.23d025afXTy2Gg\">Vitamin B12, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cobalamin, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t \u0111a v\u00f2ng ch\u1ee9a coban 3. B\u1ed1n v\u00f2ng pyrrole kh\u1eed \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t v\u00f2ng golum (t\u01b0\u01a1ng t\u1ef1 nh\u01b0 porphyrin), \u0111\u00e2y l\u00e0 vitamin duy nh\u1ea5t ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i. Vitamin B12 l\u00e0 b\u1ed9t tinh th\u1ec3 m\u00e0u \u0111\u1ecf, kh\u00f4ng m\u00f9i v\u00e0 kh\u00f4ng v\u1ecb, \u00edt tan trong n\u01b0\u1edbc v\u00e0 etanol. N\u00f3 \u1ed5n \u0111\u1ecbnh nh\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n axit y\u1ebfu pH 4,5 ~ 5,0. N\u00f3 b\u1ecb ph\u00e2n h\u1ee7y trong dung d\u1ecbch axit m\u1ea1nh (pH &lt;2) ho\u1eb7c ki\u1ec1m v\u00e0 c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 h\u1ee7y \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3 khi \u0111un n\u00f3ng. Th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt b\u1eadc cao kh\u00f4ng th\u1ec3 t\u1ea1o ra vitamin B12, \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1edfi\u00a0<\/span><\/b><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ean s\u1ea3n ph\u1ea9m: Vitamin B12<br \/>\nS\u1ed1 CAS: 68-19-9<br \/>\nM\u00e3 s\u1ed1: C63H88CoN14O14P<br \/>\nNgo\u1ea1i quan: b\u1ed9t m\u1ecbn m\u00e0u \u0111\u1ecf<\/p>","protected":false},"featured_media":2222,"template":"","meta":{"_acf_changed":false,"_gspb_post_css":""},"product_brand":[],"product_cat":[55],"product_tag":[],"class_list":{"0":"post-3555","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-food-additives","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product\/3555","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\/3555\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/media\/2222"}],"wp:attachment":[{"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/media?parent=3555"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product_brand?post=3555"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product_cat?post=3555"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wpachem.com\/vi\/wp-json\/wp\/v2\/product_tag?post=3555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}