Abstract
In this study, thirty-four samples of Laggera crispata (Vahl) Hepper & J. R. I. Wood from five main production areas in Yunnan Province, were collected for experimentation. UPLC- PDA was used to generate fingerprints and the common peaks were analysed through R and SIMCA-P. L. crispata from different origins can be distinguished by OPLS-DA and PCA. The VIP values were compared, and 8 characteristic components with great differences were obtained. It was confirmed that the two characteristic components were chrysosplenetin and artemisetin, and the quantitative analysis was performed with these two compounds from L. crispata samples with different origins. Based on the variance analysis results, the most significant difference in the content of chrysosplendin and artemisin was in Lancang and Honghe and Lancang and Simao, respectively. The chrysosplenetin can be used as an important indicator for quality control and to trace the origin of L. crispata.
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