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索小小 发表于 2015-1-21 11:17 
英文是啥?我一直以为是那个药片本身那个色素。因为其他牌子维生素也吃了不少,从来没有出过这档子事。 ...
google 的信息:
核黄素又称维生素B2,属于水溶性维生素。容易消化和吸收。被排出的量随体内的需要以及可能随蛋白质的流失程度而有所增减。和其他的B族的维生素一样,不会蓄积在体内。所以时常要以食物或营养补品来补充;维生素B2也称为维生素G;计算单位为毫克(mg)。
以下是维基的解释:
Riboflavin (vitamin B2) is part of the vitamin B group. It is the central component of the cofactors FAD and FMN and as such required for a variety of flavoprotein enzyme reactions including activation of other vitamins. It was formerly known as vitamin G.[2]
Riboflavin is a yellow-orange solid substance with poor solubility in water. It is best known visually as it imparts the color to vitamin supplements and the yellow color to the urine of persons taking it.
The name "riboflavin" comes from "ribose" (the sugar whose reduced form, ribitol, forms part of its structure) and "flavin", the ring-moiety which imparts the yellow color to the oxidized molecule (from Latin flavus, "yellow"). The reduced form, which occurs in metabolism along with the oxidized form, is colorless.
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