蛇根木粉系用蛇根木 Rauwolfia serpentina 制成的细粉或极细粉末。如果需要调整利血平-利血胺类生物碱的含量,可用该粉末与乳糖、淀粉或高含量或低含量生物碱的蛇根木粉混合实现。利血平-利血胺类生物碱含量不低于0.15％,不高于0.2％。包装和贮存贮存于密封容器中,放置室温、干燥处,防止虫蛀。美国药典参比标准〈11〉 USP 蛇根木标准品,USP Snake root powder is a fine powder or very fine powder made from Rauwolfia serpentina. If the reserpine-prochloramine alkaloid content needs to be adjusted, the powder can be mixed with lactose, starch or snake root wood powder with high or low content of alkaloids. The reserpine-prochloramine alkaloid content is not less than 0.15% and not more than 0.2%. Packaging and storage are stored in sealed containers, placed at room temperature and in a dry place to prevent insect infestation. United States Pharmacopoeia Reference Standard <11> USP Standards for Snake Root, USP