Constituents of Prunus zippeliana Leaves and Branches.
作者:Junichi KITAJIMA、Yasuko TANAKA
DOI:10.1248/cpb.41.2007
日期:——
The following substances were identified in the fresh leaves and branches of Prunus zippeliana MIQ. : 22-dehydroclerosteryl acetate, stigmasteryl acetate, β-sitosterol, stigmasterol, clerosterol, 22-dehydroclerosterol, β-sitosterol and stigmasterol 3-O-β-D-glucopyranoside, ursolic acid, oleanolic acid, 2α-hydroxyursolic acid, tormentic acid, methyl linolate, phytol, prunasin, dl-mandelic acid, kaempferol 3-O-[O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside] and d-mandelic acid β-D-glucopyranoside.Worthy of note is that 24α-ethylsterols (β-sitosterol and stigmasterol) and 24β-ethylsterols (clerosterol and 22-dehydroclerosterol) were obtained together from the leaves of a higher plant.
在蔷薇科植物东京樱花的鲜叶和枝条中鉴定出以下物质:22-去氢克拉塞醇乙酸酯、豆甾醇乙酸酯、β-谷甾醇、豆甾醇、克拉塞醇、22-去氢克拉塞醇、β-谷甾醇和豆甾醇-3-O-β-D-吡喃葡萄糖苷、熊果酸、齐墩果酸、2α-羟基熊果酸、杜鹃素酸、亚油酸甲酯、植醇、洋李苷、外消旋扁桃酸、山柰酚-3-O-[O-α-L-吡喃鼠李糖基-(1→6)-β-D-吡喃葡萄糖苷]及右旋扁桃酸β-D-吡喃葡萄糖苷。值得注意的是,高等植物的叶片中同时获得了24α-乙基甾醇(β-谷甾醇和豆甾醇)和24β-乙基甾醇(克拉塞醇和22-去氢克拉塞醇)。