化学成份
桃叶
叶中含三十一烷(hentriacontane),β-谷甾醇及其葡萄糖甙,熊果酸(ursolic acid),消旋扁桃酸(mandelic acid),槲皮素(quercetin),紫云英甙(astragalin),蜡梅甙(meratin),山柰素-3-双葡萄糖甙(kaempferol-3-β-D-glucopyranoside-β-D-glucopyranoside),桃皮素(persicogenin),柚皮素(naringnin),香橙素(aromadendrine),橙皮素(hesperetin),桃皮素-5-β-D-吡喃葡萄糖甙(persicogenin-5-β-D-glucopyranoside),橙皮素-5-O-β-D-吡喃葡萄糖甙(hesperetin-5-O-β-D-glucopyranoside),右旋儿茶酚(catechol),左旋表儿茶酚没食子酸酯(epicatechol gallate),绿原酸和矢车菊甙(chrysacthemin),新鲜桃叶中的氰酸甙类按苦杏仁甙计算,其含量为1.32%-2.54%。