Method: ICP-AES,UV and HPLC were used to determine the contents of trace elements,chlorogenic acid,total flavonoids,five iridoid glucosides,hederagenin,and oleanolic acid.

• 方法:用ICP-AES测定药材中微量元素含量,UV测定绿原酸、总黄酮含量,HPLC测定环烯醚萜苷、常青藤皂苷元、齐墩果酸的含量,并用SAS统计分析系统进行聚类分析。