矮杨梅叶子化学成分研究

目的:对杨梅科杨梅属植物矮杨梅(Myrica nana Cheval)叶子进行化学成分分析。方法:采用甲醇回流提取、色谱法分离、波谱法鉴定其结构。结果:从该植物叶子中共分离鉴定出6个化合物,分别是β-谷甾醇(1)、齐墩果烯(2)、槲皮素(3)、芦丁(4)、杨梅素(5)、杨梅苷(6)。结论:化合物2为首次从该植物中分离得到。

Triterpenoids from Tripterygium wilfordii

A triterpenoid named 3β, 22α, 30-trihydroxy-urs-12-en (1) was isolated from the ethanol extract of Tripterygium wilfordii together with four known compounds. The structure of (1), which was for the first time isolated from nature, was established by spectral analysis and by comparison with that of the relative compound.