Methods Macroporous resin was used to attach the extract of Acanthopanacis Senticosi,and the resin was washed by 70% ethanol,then the content of Isofraxidin was determined by HPLC.

• 方法采用大孔树脂为材料,吸附刺五加提取物,70%25乙醇溶液洗脱提取物;