黄色网站免费久久精品tttt,欧美日韩免费不卡在线观看,最新国模无码国产在线视频,真人抽搐一进一出免费试看,中文字幕天天躁日日躁狠狠躁免费,大学生初次破苞免费视频,日韩免费视频一区二区

Product name: ergosterol

Molecular formula: C₂₈H₄₄O

Product Property:

Ergosterol: it is a vital component of microorganism cytomembrane, and plays an important part in keeping cytomembrane integrity, activating membrane enzyme association, ensuring the fluidity of membrane, and remaining cell viability and cellular material transport. As an important medicine material, it can be used to produce cortisone and progesterone, and transformed into vitamin D₂ by changing its molecular structure. Vitamin D₂ plays a vital role in adjusting life activity. It can prevent and cure infant rickets, promote phosphorus absorption of the pregnant and the aged, and has health care function for miners and the people who engage in night work for a long time. In addition, it is a kind of rare material to produce deoxyribonucleic acid products, food freshener, and agricultural growth factor. Ergosterol has a special effect to cure AIDS, according to the clinical test of some experts.