Determination of Paeonitlorin and Identification of Fructus Corni inQijudihuang Koufuye by HPLC

The content of Paeoniflorin in Qijudihuang Koufuye was determined by HPLC.The sample was extracted with butyl alcohol. The column packed with YWG C8 was used asanalytical column and 13% acetonitrile as mobile phase. Detector wavelength was set at 230nm.Th