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[Analysis of commercial grades of Schisandrae Sphenantherae Fructus based on schisantherin].

Schisandrae Sphenantherae Fructus, from different producing areas, were collected and divided into three grades. The moisture content and total ash were determined on the basis of the pharmacopoeia method, and schisantherin was determined by UPLC. The study is aimed to find the commercial specifications and grades of Schisandrae Sphenantherae Fructus based on schisantherin content. The results showed that the content of water, total ash and schisantherin of Schisandrae Sphenantherae Fructus from different producing areas qualified. There was no significant difference between different grades of schisandrin content, but the second-class were the highest, first-class and third-class were lower. It means that schisandrin content is not positive correlation to commercial grade. The study will be helpful to the production, management and clinical practice of Schisandrae Sphenantherae Fructus.