肠炎灵片的质量控制研究

Study on Quality Control of Changyanling Tablet

目的 :建立肠炎灵片的鉴别方法和盐酸小檗碱的含量测定方法。方法 :采用薄层层析法对肠炎灵片中黄连、白芍及延胡索进行定性鉴别 ;薄层扫描法测定盐酸小檗碱的含量。结果 :盐酸小檗碱的平均回收率为98 19 % ,RSD为0 93 %。结论 :本方法简便、准确、可靠 ,制剂质量可控。

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