Objective:To establish the determination of paeoniflorin in Gubenyichang Tablet.Methods:RP-HPLC method was used for determination of paeoniflorin in Gubenyichang Tablet on C 18 column. The mobile phase was consisted of methanol-water (32∶68) and detection wavelength was at 230nm.Results:The average recovery was 98.9% and RSD was 1.22%. Conclusion:The method is simple, accurate and with good speciality.
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