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2008•Zhongguo zhongyiyao xinxi zazhiRequires access

Study on the Quality Standard for Qingzao Runfei Mixture

Huan Lu

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Abstract

Objective To establish quality control method for Qingzao Runfei Mixture. Methods Mulberry Leaves,Glycyrrhiza,Radix Glehniae,Ophiopogon Japonicus and Loquat Leaves were identified by TLC. Glycyrrhizic Acid was determinated by HPLC. Results The negative sample of TLC had no interference. The specifity was good. Glycyrrhizic acid showed a good linear relationship in the range of 0.203 1～1.692 1 μg,r =0.999 8. The average recovery was 98.24%,and RSD was 2.3%. Conclusion The established methods are simple,quick and with good reproducibility. This study provides methods for the quality control of Qingzao Runfei Mixture.

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What this paper is about

Objective To establish quality control method for Qingzao Runfei Mixture. Methods Mulberry Leaves,Glycyrrhiza,Radix Glehniae,Ophiopogon Japonicus and Loquat Leaves were identified by TLC. Glycyrrhizic Acid was determinated by HPLC. Results The negative sample of TLC had no interference. The specifity was good. Glycyrrhizic acid showed a good linear relationship in the range of 0.203 1～1.692 1 μg,r =0.999 8. The average recovery was 98.24%,and RSD was 2.3%. Conclusion The established methods are simple,quick and with good reproducibility. This study provides methods for the quality control of Qingzao Runfei Mixture.

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Available abstract

Objective To establish quality control method for Qingzao Runfei Mixture. Methods Mulberry Leaves,Glycyrrhiza,Radix Glehniae,Ophiopogon Japonicus and Loquat Leaves were identified by TLC. Glycyrrhizic Acid was determinated by HPLC. Results The negative sample of TLC had no interference. The specifity was good. Glycyrrhizic acid showed a good linear relationship in the range of 0.203 1～1.692 1 μg,r =0.999 8. The average recovery was 98.24%,and RSD was 2.3%. Conclusion The established methods are simple,quick and with good reproducibility. This study provides methods for the quality control of Qingzao Runfei Mixture.

Key concepts: Quality standard, Chromatography, Reproducibility, Glycyrrhiza, Linear relationship, Radix (gastropod), Traditional medicine, Chemistry

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