Abstract:Objective:To accumulate data for quality control of Caulis Erycibes.Method:The total scopoletin in Caulis Erycibes was determined by RP HPLC,using CLC ODS 1 column,0.5% glacial acetic acid in methanol water(26∶55) as mobile phase and UV detector at 310 nm.Result:The average recovery is 99.37% and RSD 0.39%.Conclusion:Determination data have been obtained for fourteen batches of three species,and the contents of scopoletin should be no less than 30mg/100g.