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Article in Chinese | WPRIM | ID: wpr-828496

ABSTRACT

OBJECTIVE@#To establish the optimum extraction technique and high performance liquid chromatographic (HPLC) method to simultaneously quantify nine compounds of gallic acid, hydroxy-paeoniflorin, catechin, albiflorin, paeoniflorin, pentagalloylglucose, benzoic acid, benzoylpaeoniflorin and paeonol in .@*METHODS@#Linear gradient elution was applied using water containing 0.1%phosphoric acid and acetonitrile as the mobile phase with a flow rate of 0.8 mL/min, column temperature of 30℃ and wavelength of 230 nm. The method of ultrasound extraction was used. Methanol and ethanol were used as extraction solvents, and three factors and three levels of orthogonal experiments was designed using L (3 ) table to investigate the effects of solvent concentration, ratio of liquid to material and extraction time on the total content of nine components of .@*RESULTS@#HPLC method was verified to have high specificity, sensitivity and accuracy through methodological validation, and it could be used for simultaneous quantitative analysis of nine components of . The results showed that the optimum extraction technology of nine components of was using 70%ethanol as extraction solvent, ratio of liquid to material was 200 mL/g and ultrasound extraction time was 30 min.@*CONCLUSIONS@#HPLC method for the simultaneous determination of nine components of is established, and the optimum extraction technology is confirmed.


Subject(s)
Chromatography, High Pressure Liquid , Drugs, Chinese Herbal , Paeonia
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