Research of Quality Standard of Zhujie Shenjin(Aspidistra Elatior Blume)Decoction Pieces
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.