Flavonoids in Different Parts of Lysimachia clethroides Duby Extracted by Ionic Liquid: Analysis by HPLC and Antioxidant Activity Assay

Figure 1

HPLC chromatograms of the standard solution (A) and the sample solution (B): (1) isoquercitrin, (2) astragalin, (3) quercetin, and (4) kaempferol.

(a)

(b)