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Study on quality standard of Baishi Pills

WANG Xiuqin1,LIANG Shuzhen2(1.Guangzhou Institute for Drug Control,Guangzhou 510160,China;2.Guangzhou Zhongyi Pharmaceutical Company Ltd.,Guangzhou 510530,China)  
Objective To study and improve the quality standard of Baishi Pills.Methods Dalbergia odoriferae Lignum,Carthami flos and Moutan cortex in the prescription were identified under microscope;Polygoni multiflori Radix Praeparata and Salviae Miltiorrhizae Radix Et Rhizoma in Baishi Pills were identified qualitatively by TLC;the content of psoralen and isopsoralen were determined by HPLC.Results The chromatograms of TLC were distinct and highly specific.The linear range of psoralen was from 51.2~409.6 ng(r=0.999 9) with an average recovery of 98.1%,with RSD 1.7%(n=6).The linear range of isopsoralen was from 50.7~405.6 ng(r=0.999 0) with an average recovery of 100.7%,with RSD 0.9%(n=6).Conclusion The established method is reliable for quality control of Baishi Pills.
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