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Study of quality standard of Qingbi Tablet
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DOI   10.11656/j.issn.1672-1519.2004.04.35
Key Words   Qingbi Tablet;thin layer chromatographic assay;quality control standard
Author NameAffiliation
LIU Jian-ping The First Affiliated Hospital to Tianjin University of TCM, Tianjin300193, China 
Abstract
    [Objective] To establish the quality control standard of Qingbi Tablet.[Method] A microscopical identification of scorpio in prescripition was carried out.The thin layer chromatographic assay of natural indigo in prescripition was performed using petroleum ether(60～90℃)-ethyl acetate(1:1)as solvent front and indigotin,indirubin as control sample.[Result] The microscopical characters of seta and striated muscle fibre in the scorpion were observed.The same color petechical was visualized in the test sample(Qingbi Tablet)and the control one.[Conclusion] The method can be used for quality control of Qingbi tablet with easily operation and good repeatability

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