Figure 2: Typical HPL C chromatograms for the contents determination of luteolin-7-O-β-D-glucoside (I) and apigenin-7-O-β-D-glucoside (II) in different parts.
a. Chromatogram of leaves sample solution.
b.Chromatogram of stems sample solution.
c. Chromatogram of petioles sample solution.
d.Chromatogram of roots sample solution