UHPLC-ESI-MS Analysis of Purified Flavonoids Fraction from Stem of Dendrobium denneaum Paxt. and Its Preliminary Study in Inducing Apoptosis of HepG2 Cells

Figure 1

The UHPLC-ESI/MS (TIC) fingerprint of Dendrobium aurantiacum var. denneaum. Apigenin-6,8-di-C-β-D-glucoside (3), Apigenin-6-c-β-D-xyloside-8-C-β-D-glucoside (4), Isoschaftoside (5), Schaftoside (6), Quercetin-3-O-rutinoside-7-O-glucoside (7), Apigenin-6-C-β-D-glucoside-8-c-β-D-xyloside (8), Apigenin-6-C-glucosyl-2′′-O-xyloside (9), Apigenin-8-C-glucosyl-2′′-O-xyloside (10), Quercetin-7-O-rutinoside (11), Rutin (12), Kaempferol-3-O-rutinoside (13), Kaempferol-7-O-rutinoside (14), Apigenin-7-O-rutinoside (15).