Quality survey of different species of clematidis radix et rhizoma

Quality survey of different species of Clematidis Radix et Rhizoma was made by determining the content of hederagenin and oleanolic acid from Clematidis Radix et Rhizoma.The result showed that only a few samples of Clematis chinensis met the quality standard for Clematidis Radix et Rhizoma in Chinese Pharmacopoeia 2010 Edition.