Changes of chemical composition of Pseudostellariae Radix using different processing methods by UPLC-Triple TOF-MS/MS / 中草药

ABSTRACT

Objective: To analyze the changes of chemical composition of Pseudostellariae Radix using different processing methods. Methods: To determine 20 batches of samples by UPLC-Triple TOF-MS/MS and tandem mass spectrometry and by combining Mass data, database, and related software for total ion current literature major molecular ion peaks attributable. Data processing was carried out using SIMCA-P software to study multivariate statistical analysis. Results: Thirteen compounds were identified, and the differences of PCA between samples of Pseudostellariae Radix using different processing methods were distinguishable, and 11 kinds of markers were picked from loading chart by significant differences. The 11 kinds of markers presented different changing laws. Conclusion: The research provides experimental data for revealing the laws of different processing methods on metabolites of Pseudostellariae Radix.