欧美在线视频免费观看,午夜国产在线,日韩精品电影在线,午夜国产大片免费观看,欧美日韩电影在线观看,午夜视频在线观看免费视频,亚洲欧洲一区二区三区

Product name: VD₂

Molecular formula: C₂₈H₄₄O

Product Property: Colorless acicular crystal or white crystal powder; odorless and tasteless; free soluble in ethanol, ether, chloroform, and acetone.

Main product: vitamin D_{2 and intermediate, medicinal yeast, ergosterol, highly-esterfied vitamin D2and etc.}

VD₂

Byname: Calciferol 

Pharmacology and effect: it’s a kind of vitamin medicine. It involves in calcium-phosphorus metabolism, promotes calcium and phosphorus absorption in intestine, and enhances the calcification of bone matrix. It is used to cure rickets, osteomalacia, and hyperparathyroidism. It has a better effect for pediatric growth retardation, calcium lack of pregnancy, and senile osteoporosis, and can be used as nutrition additive in food industry, and compound feed additive in feed industry.

Package: According to customers’ requirement.