目的 研究翼蓼Pteroxygonum giraldii块根的化学成分。方法 采用硅胶、聚酰胺、D-101大孔吸附树脂、Sephadex LH-20等柱色谱对翼蓼乙醇提取物进行分离纯化，并根据理化性质和波谱数据鉴定化合物的结构。结果 从翼蓼块根90%乙醇提取物中分离得到7个化合物，分别鉴定为 (4-O-β-D-吡喃葡萄糖-苯基)乙酸正丁酯（1）、2-(4-羟苄基)酒石酸-4-正丁酯（2）、槲皮素-3-O-β-D-半乳糖苷（3）、槲皮素（4）、藨草素B（5）、(E)-3, 3′, 4, 5′-四羟基二苯乙烯（6）、(E)-2, 3, 5, 4′-四羟基二苯乙烯-2-O-β-D-葡萄糖苷（7）。结论 化合物1为新化合物，命名为翼蓼苷；化合物2～7为首次从该植物中分离得到。

Objective To study the chemical constituents from the roots of Pteroxygonum giraldii. Methods The chemical constituents of ethanol extract from the roots of P. giraldii were isolated and purified by chromatography over silica gel, polyamide, D-101 macroperous resin, and Sephadex LH-20 columns. The structures were elucidated on the basis of physicochemical properties and spectral data analyses. Results Seven compounds were isolated and identified as butyl(4-β-D-glucopyranosyloxy-phenyl)acetate (1), monobutyl 2-(4-hydroxybenzyl) tartrate (2), quercetin-3-O-β-D-galactopyranoside (3), quercetin (4), scirpusin B (5), (E)-3, 3′, 4, 5′-tetrahydroxystilbene (6), and (E)-2, 3′, 5, 4′-tetrahydroxystilbene-2-O-β-D-glucopyranoside (7). Conclusion Compound 1 is a new one named pteroxygonumoside, and compounds 2—7 are firstly reported from P. giraldii.

新世纪优秀人才支持计划资助项目（NCET-09-0589）；中国博士后科学基金资助项目（20090450775）