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采用大孔吸附树脂、MCI树脂、Sephadex LH-20凝胶和反相硅胶ODS等柱色谱技术,从兴安毛连菜(Picrisdavurica Fish.)的抗炎活性部位分离得到11个黄酮化合物,根据化合物的理化性质和波谱数据,分别鉴定为isoestin-7-O-β-D-glucopyranosyl-2’-O-α-L-arabinopyranoside(1)、isoetin-7-O-β-D-glucopyranosyl-2’-O-β-D-xyloypyranoside(2)、isoetin-7-O-β-D-glucopyranosyl-2’-O-α-D-glucopyranoside(3)、isoetin 5’-O-β-D-glucopyranoside(4)、isoetin-2’-O-β-D-xyloypyranoside(5)、isoetin-4’-O-β-D-O-β-Dglucopyranoside(6)、isoetin-7-O-β-D-glucopyranoside(7)、isoestin-2’-O-α-L-arabinopyranoside(8)、木犀草素-7-O-β-D-葡萄糖苷(9)、isoetin(10)和木犀草素(11)。所有化合物均为首次从该植物中分离得到,其中化合物1~8为首次从毛连菜属植物中分离得到。
Eleven flavonoids were isolated from the anti-inflammatory active site of Picrisdavurica Fish by macroporous adsorption resin, MCI resin, Sephadex LH-20 gel and reversed-phase silica gel ODS column chromatography. Physicochemical properties and spectral data were identified as isoestin-7-O-β-D-glucopyranosyl-2’-O-α-L-arabinopyranoside (1), isoetin-7-O-β-D-glucopyranosyl- O-β-D-xyloypyranoside (2), isoetin-7-O-β-D-glucopyranosyl-2’-O-α-D-glucopyranoside Isoetin-2’-O-β-D-xyloypyranoside (5), isoetin-4’-O-β-DO-β-Dglucopyranoside (6) , Isoestin-2’-O-α-L-arabinopyranoside (8), luteolin-7-O-β-D-glucoside (9), isoetin (10) and luteolin (11). All compounds were isolated from this plant for the first time, of which compounds 1 to 8 were isolated from Gynostemma for the first time.