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Study on the grade quality standard of Ephedra Sinica
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DOI   10.11656/j.issn.1673-9043.2019.03.17
Key Words   Ephedra;grade quality evaluation;stoichiometrically science;HPLC
Author NameAffiliationE-mail
MAO Rui Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China  
LIU Yanan Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China tianyinan2007@163.com 
LI Lihong Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China  
TIAN Pan Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China  
WANG Ying Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China  
DOU Zhiying Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China  
WANG Piao Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China  
Abstract
    [Objective] Study on 31 batches of Ephedra Sinca.The qulity standard of Ephedra Sinica tablets was established by High-performance liquid chromatography(HPLC) combined with chemometrics method. [Methods] According to the Chinese Pharmacopoeia, the extracts, ash and moisture of 31 batches of Ephedra Sinica Yinpian weretested;determination of ephedrine and pseudoephedrine in 31 batches of Ephedra Sinica Yinpianuuui;grade classification study on Ephedra Sinica by establishing chemical composition identification model(PCA), cluster analysis(CA) and partial least two discriminant analysis(PIS-DA). [Results] The moisture diffuse content of 31 batches of Ephedra tablets was 13.05% -28.11%;the total ash was 5.84% -8.94%;the average water content was 3.75%. The content of ephedrine and pseudoephedrine was 1.21%-3.35%. [Conclusion] This experiment initially divided the Mahuang decoction into two grades, namely, superior and unified goods.Chinese Herbal Medicine and other standardized data WH study provides a new idea.

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