Simultaneous Determination of Glycyrrhizin and 15 Flavonoids in Licorice and Blood by High Performance Liquid Chromatography with Ultraviolet Detector

Figure 2

Representative chromatograms for licorice. Compounds 1, 2, 3, 4, 5, and 6 were shown in a chromatogram recorded at 280 nm; compounds 7, 8, 9, 12, 13, 14, and 16 were shown in a chromatogram recorded at 355 nm; compounds 10, 11, and 14 were shown in a chromatogram recorded at 254 nm; all chromatograms shown were recorded in the same run.