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Traditional Chinese Drug Research & Clinical Pharmacology ; (6)2000.
Article in Chinese | WPRIM | ID: wpr-580117

ABSTRACT

Objective To determine the content of protocatechuic acid in Spatholobus suberectus Dunn.Methods HPLC method was developed for the determination of protocatechuic acid in Spatholobus suberectus Dunn.The separation was performed on C18 column with acetonitrile-water-orthophosphoric acid(8 ∶92 ∶0.1) as a mobile phase with the flow rate being 1.0 mL/min.The detection wavelength was set at 260 nm.Results A satisfactory separation between protocatechuic acid and impurity was obtained.The calibration curve was linear in the range of 0.020~2.008 ug,r=0.999 9.The average recovery was 98 %,and RSD was 0.1 %(n=5).Conclusion The method is accurate and can be used for the detemrmination of protocatechuic acid in Spatholobus suberectus Dunn.

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