can be extracted from Rhodiola rosea about 24 hours infusion with 50% ethanol and it is considered to be the optimum conditions for the extractions of Chromo-cor.

• 本文用不同浓度的乙醇作为浸提剂,对药用植物红景天干药材中的总黄酮、多糖和单糖及一些苷类的混合物等成分分别进行分离提取,并运用分光光度法对总黄酮、多糖进行了含量测定。