Methods The content of saikosaponin a,c,d in Bupleurum scorzoneri folium Willd.Samples from 10 different areas in China was determined by RP-HPLC method.

• 方法采用反相高效液相色谱(RP-HPLC)法定量分析国内10个不同产地狭叶柴胡样品中3种柴胡皂苷的含量,以系统聚类分析法对其进行化学模式识别研究。