HPLC chromatograms of Sarracenia purpurea leaf and root extracts. Chromatograms of ethanolic leaf (A) and root (B) extracts with diode array detection at 230 nm wavelength. Labelled peaks represent the marker compounds morroniside (1), epicatechin (2), and hyperoside (3). The structures of the identified active metabolites (1, 3) are shown with quantitative results reported in Table 1 .
Harris et al. BMC Complementary and Alternative Medicine 2012 12:245 doi:10.1186/1472-6882-12-245