草红藤中的黄酮成分

Flavonoids from Shuteria pampaninianna Hand.-Mazz.

目的 :研究民间植物药草红藤的化学成分。方法 :聚酰胺柱分离 ,NMR谱鉴定结构。结果 :分离鉴定出 2个黄酮 ,为杨梅素和白蔹素。结论 :均为首次从该植物中分离得到。

Objective:To investigate the chemical constituents of the herbs of Shuteria pampaninianna.Method:Using polyamide columine chromatography and NMR spectra to isolate pure flavonods and determine their structures.Result:Two flavonoids have been isolated from whole plant of S. pampaninianna and identified as myricetin(1) and ampelopsin(2) respectivily.Conclution:Both 1 and 2 were obtained from this plant for the first time.