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

Figure 4

Representative chromatograms for plasma from rat administered Sini Tang decoction. Compounds 3, 5, 6, and 11 were shown in a chromatogram recorded at 280 nm; compounds 7, 8, and 12 were shown in a chromatogram recorded at 355 nm; compound 14 was shown in a chromatogram recorded at 254 nm; all chromatograms shown were recorded in the same run.