Objective:To optimize the quality standard of Zhujie Shenjin(Aspidistra Elatior Blume)decoc-tion pieces based on 2010 edition of Hunan Provincial Standards of Processing Chinese Crude Drugs.Methods:The identification of characters and physiochemical in the original standard were reviewed based on the collected samples.Microscopy was used to observe the characteristics of the powder and cross-sectional tissue.The concentra-tions of water,total ash and ethanol-soluble extractives were measured by the methods described in the 2020 edition of Chinese Pharmacopoeia.Results:The identification of characters and physiochemical which was described in primary standard were sequentially used.In cross-sectional identification,the collateral vascular bundle described in the original standard was not found.Powder identification with the characteristic structure of needle-crystal bundles,non-glandular hairs and reticulated ducts was added.The limited value of water,ash and alcohol extract were added.The recommended limits of water and ash were not more than 12％and 7.0％,and the recommended limits of alcohol extract was not less than 28.0％.Conclusion:This quality standard had been greatly improved compared with the original standard,which could control the quality of Zhujie Shenjin(Aspidistra Elatior Blume)decoction pieces more comprehensively.
维普
万方数据