中药化学成分 |
树皮含蒲公英赛醇(taraxerol),白桦脂酸(be-tulinic acid),二十七烷(heptacosane),羽扇烯酮(lupenone ),β-粘霉烯醇(glutinol),β-谷甾醇(β-sitosterol)。芽含木犀草素-7,4′-二甲醚(luteolin-7,)4′-dimethyl ether),三裂鼠尾草素(salvige-nin),山柰素(kaempferide),异鼠李素(isorhamnetin),3′-甲基鼠李素(rhamnazin),6-羟基山柰酚-3,6,4′-三甲醚(6-hydrox-ykaempferol-3,6,4′-trimethyl ether),刺槐素(acacetin),芹菜素-4′,7-二甲醚(apigenin-4′,7-dimethyl ether),柳穿鲜素(pectolinar-igenin),槲皮素7,3′,4′-三甲醚(quercetin-7,3′,4-trimethylether)。木质部含赤杨酮(alnusone),赤杨醇(alnusonol),赤杨酮环氧化物(alnusoxide),赤杨二醇(alnusdiol),1,7-双-(4-羟苯基)-3,5-庚二醇(hannokinol),1,7-双(4-羟苯基)-5羟基-3-庚酮(hannokinin),1,7-双(4-羟苯基)-3-庚烯-5-酮[1,7-bis(4-hydrox-yphenyl)-3-hepten-5-one],香草酸(vanillic acid),丁香酸(syringic acid),2,6-二甲氧基对苯醌(2,6-dimethoxy-p-benzoquinone),β-谷甾醇,胡萝卜甙(daucosterol),3-O-乙酰基齐墩果醛(3-O-acety-loleanolic aldehyde),古柯二醇-3-乙酸酯(erythrodiol-3-acetate),白桦脂酸;花粉含羽扇烯酮,槲皮素-3-β-D-吡喃葡萄糖-4′-O-α-D-吡喃葡萄糖甙(quercetin-3-β-D-glucopyranosyl-4′-O-α-D-glucpyranoside),β-谷甾醇,17种氨基酸(amino acids),丙二酸(malonic acid),葡萄糖(glucose),甘露糖(mannose);雄性花含 赤杨萜烯酸A[(24E)-3,4-secodammara-4(28),20,24-trien-3,26-dioic acid-3-methylester],赤杨萜烯酸B[(24E)-3,4-secodammara-4(28),20,24-trien-3,26-dioic acid],赤杨萜烯酸C[(20s,24s)-20,24-dihydroxy-3,4-secodammara-4(28),25-dien-3-oic acid],赤杨萜烯酸D[(23E,20S)-20,25-dihydroxy-3,4-secodammara-4(28),23-dien-3-oic acid]赤杨萜烯酸E[(23E,20S)-20,25,26-trihydroxy-3,4-secodammara-4(28),23-dien-3-oic acid],赤杨萜烯酸F[(23E,12R,20S)12,20,25-trihydroxy-3,4-secodammara-4(28),23-dien-3-oic acid].
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