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Study on Quality Control of Changyanling Tablet

Gang Wei

Abstract

OBJECTIVE:To establish the method for identification of Changyanling tablet and determination the content of berberine in the tablet METHODS:Rhizoma coptidis,Radix paeoniae alba and Rhizoma corydalis in Changyanling tablet were qualitatively identified by thin layer chromatography method The content of berberine was determined by the TLC-scanning RESULTS:The average recovery of berberine was 98 19% with a RSD of 0 93% CONCLUSION:This method is simple,accurate and reliable,and can be used for the quality control of this preparation

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Key concepts: Berberine, Corydalis, Chromatography, Radix (gastropod), Berberine hydrochloride, Quality standard, Thin-layer chromatography, Traditional medicine