UPLC-QTOF/MS Analysis of Alkaloids in Traditional Processed Coptis chinensis Franch.
Figure 1
(a) The representative chromatogram of C. chinensis Franch. by UPLC-qTOF/MS (the numbers of peaks are same with the identification in Table 1). (b) The chromatograms of standard compounds (EPI: epiberberine; COP: coptisine; JAR: jatrorrhizine; PAL: palmatine; BER: berberine).
