基本信息
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维生素B2
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83-88-5
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核黄素; 7,8-二甲基-10-(1'-D-核糖基)-异咯嗪
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C17H20N4O6
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376.37
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Riboflavin
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201-507-1
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1.65
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Riboflavine(7CI); Benzo[g]pteridine, riboflavin deriv.; (-)-Riboflavin;1-Deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-D-ribitol;6,7-Dimethyl-9-D-ribitylisoalloxazine; 6,7-Dimethyl-9-ribitylisoalloxazine;7,8-Dimethyl-10-ribitylisoalloxazine; Beflavin; Beflavine;Benzo[g]pteridine-2,4(3H,10H)-dione,7,8-dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-; C.I. 50900; C.I. FoodYellow 15; D-Ribitol,1-deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-; E101; E 101 (dye); Flavaxin; Flavin BB; Flaxain; Food Yellow 15; Hyre;Lactobene; Lactoflavin; Lactoflavine; NCI 0033298; NSC 33298; Ribipca;Ribocrisina; Riboderm; Ribosyn; Ribotone; Ribovel; Ricrolin; Russupteridineyellow III; San Yellow B; Vitaflavine; Vitamin B2; Vitamin G; Vitasan B2
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9℃
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290°C (dec.)(lit.)
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504.93°C (rough estimate)
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详细信息
英文名：Vitamin B2 又名：核黄素（Riboflavin） 性状：黄色结晶性粉末，有多种晶型，微臭，味带苦。极难溶于水。不溶于乙醚和氯仿，但溶于稀碱液。约于280℃熔化并分解，饱和水溶液呈中性，呈淡黄绿色，有荧光。中性或酸性下极稳定，碱性下迅速分解。
用途：营养增补剂。用语米、面包、饼干、巧克力、调味酱、色素。
限量：小麦粉0.2mg/100g；乳制品0.9-095mg/100g；酱油25-40mg/L谷物及其制品、饮料、乳及乳饮料、饮液3-5；婴幼儿食品4-8；食盐100-150。
含量：98％-102％。
