Li Hong-lian
2015
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Journal
Journal of Gannan Medical University
Abstract
Objective: Use Asperulosidic acid as index to reseach and improve the quality standards of Junesnow. Method:Thin layer chromatography( TLC) was adopted for the qualitative identification method; Determination of Asperulosidic acid in Junesnow by high perfarmance liquid chromatograpy( HPLC). Result: The Asperulosidic acid TLC spots in 10 batches of Junesnow from differnt areas were clear,well separated and the results were consistent. The average content of Asperulosidic acid was 0. 55%,The average recovery rate was 102. 6%; RSD was 1. 02%( n = 6). Conclusions: This method is rapid,accurate,with high specificity and repeatability. It is applicable for the Junesnow quality control.