淫羊藿作为强肾益精的补养药,在《中国药典》中收载了3个品种,包括淫羊藿(Epimedium brericornum N.),箭叶淫羊藿(E.saqittatum)和朝鲜淫羊藿(E.koreanumN.)。作者在前文中进行了淫羊藿属植物成分的研究,并从箭叶淫羊藿的叶和地下部分分离到新的黄酮醇甙。该成分遇光、热时易分解。故又从淫羊藿的采集时间与活性成分变化的关系进行了深入研究。发现在淫羊藿中黄酮醇甙的总含量比其它2种稍高,并在 Epimedium, as a nourishing medicine for strong Kidney Essence, contains three species in the Chinese Pharmacopoeia, including Epimedium brericornum N., E. saqittatum and Korean Epimedium. E.koreanum N. In the previous article, the authors studied the components of Epimedium and separated new flavonols from the leaves and underground parts of Epimedium sagittatum. The composition is easily decomposed when exposed to light and heat. Therefore, the relationship between the collection time of Epimedium and the change of active ingredients was further studied. The total content of flavonol glycosides in Epimedium was found to be slightly higher than that of the other 2 species and