Quality Standard of Liuwei Dihuang Pill(Concentrated Pill)

Jian Jian Kang

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Jian Jian Kang

University of Melbourne

Quality Standard of Liuwei Dihuang Pill(Concentrated Pill)

Article 2009 en

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JK
Jian Jian Kang
University of Melbourne

Abstract

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OBJECTIVE:To establish the quality standard of Liuwei dihuang pill (concentrated pill). METHODS:Radix Rehmanniae Preparata,Dioscorea opposita,Poria cocos and Alisma orientalis in Liuwei dihuang pill (concentrated pill) were identified by TLC and the contents of paeonolum and loganin were determined by HPLC.RESULTS:The TLC spots were clear and well-separated yet free of interference of negative sample.The linear ranges of paeonolum and laganin were 0.100 6～1.006 μg (r=0.999 9) and 0.309 6～2.322 μg(r=0.999 6),respectively,and their recovery rates were 98.2%(RSD=2.3%,n=6) and 95.3%(RSD=0.42%,n=6),respectively.CONCLUSION:The established standard is applicable for the quality control of Liuwei dihuang pill.

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