Title: Quality Standard of Wulongdan Liquid Extract
Abstract:Objective:To build up the quality control method for Wulongdan Liquid Extract.Methods:Qualitative determination of Radix Pueriae and Radix Polygoni Multiflori.Puerarin was carried out by HPLC.The mobi...Objective:To build up the quality control method for Wulongdan Liquid Extract.Methods:Qualitative determination of Radix Pueriae and Radix Polygoni Multiflori.Puerarin was carried out by HPLC.The mobile phase was ethanol-acetonitrile-0.025 mol/L phosphoric acid(20∶4∶76)at a flow of 1.0ml/min,and detection wavelength was 250nm.Results:TLC qualitative methods were simple,sensitive and specific,the determination method for puerarin had a good linear relationship in the range of(0.052 5)~0.735 μg,r=0.999 5.The average recovery was 99.18%,RSD=1.55%.Conclusion:This method is simple,accurate and can be used as the standards for quality control of this product.Read More
Publication Year: 2005
Publication Date: 2005-01-01
Language: en
Type: article
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