亚洲欧洲av综合色无码,十八禁无码精品A∨在线观看动漫,亚洲中文字幕一二区精品自拍,国产又色又爽又黄的网站在线一级

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.