Abstract
Ultra performance liquid chromatography (UPLC) was employed for simultaneous determination of three components and fingerprint analysis of Periplocae Cortex with gradient elution of mehtanol and water containing 0.1% phosphoric acid as mobile phase. Three components including chlorogenic acid, 4-methoxysalicylaldehyde and periplocoside were well separated under the analytical condition. Seventeen peaks were selected as the common peaks of 30 batches of Periplocae Cortex. The results showed that there is a significant difference in contents of periplocoside between the samples collected from Henan and Shanxi province. Based on the results of three components quantification and fingerprint analysis, hierarchical clustering analysis ( HCA) and principle component analysis (PCA) were used to further prove the differences between two group samples, and the results indicated that quality of Periplocae Cortex from Shanxi was more stable than that from Henan. The established UPLC fingerprint and quantitative analysis methods could be used efficiently in the quality control of Periplocae Cortex, and this study might contribute to the reasonable clinical application.
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