化学成分

全草含棕榈酸蒲公英甾醇酯(taraxasteryl palmitate),乙酸蒲公英甾醇酯(taraxasteryl acetate),蒲公英甾醇(taraxasterol),豆甾醇(stigmasterol),山金车二醇(arnodiol)[1],谷甾醇(sitosterol),十九酸三十四醇酯(tetratriacontanyl nonade-caoate),2-异丙基-5-甲基氢酯-4-O-β-D-吡喃木糖甙(2-isopropyl-5-methylhydroquinone-4-O-β-D-xylopyranoside),2α,3β,19α,23-四羟基-12-乌苏烯-28-O-β-D-吡喃木糖甙(2α,3β,19α,23-te-trahydroxy urs-12-ene-28-oic acid-28-O-β-D-吡喃木糖甙(2α,21β,22α28-tetrahydroxyolean-12-ene-28-O-β-D-xylopyranoside),3β,16α,21β,22α,28-五羟基-12-齐墩果烯-28-O-β-D-吡喃木糖甙(3β,16α,21β,22α,28-pentahydroxy olean-12-ene-28-O-β-D-xy-lopyranoside),3,3′,5,5′-四甲氧基芪(3,3′,5,5′-tetram-ethoxystibene)[2],1α,3β,19α,23-四羟基-12-乌苏烯-28-酸-28-O-β-D-吡喃木糖甙(1α,3β,19α,23-tetrahydroxy urs-12-ene-28-oic acid-28-O-β-D-xylopyranoside),1β,2α,19α,23-五羟基-12乌苏烯-28-酸-28-O-β-D-吡喃木糖甙(1β,2α,3β,19α,23-pentahydroxyurs-12-ene-28-lic acid-28-O-β-xylopyranoside),3α,21α,22α,28四羟基-12-齐墩果类-28-O-β-D-吡喃木糖甙(3α,21α,22α,28-te-trahydroxy olean-12-ene-28-O-β-D-吡喃木糖甙(3α21α,22α,28-te-trahydroxyolean-12-ene-28-O-β-D-xylopyranoside),3α,16α,21α,22α,28-五羟基-12-齐墩果烯-28-O-β-D-吡喃木糖甙(3α,16α,21α,22α,28-pentahydroxy olean-12-ene-28-O-β-D-xylopyrano-side)[3],6-羟基-反-8-二十六碳-烯3-酮(6-hydroxy hexacos-trans-8-ene-3-one),3,5,4-三甲氧基-反-芪(3,5,4′-trimethoxy-trans-stilbene),3α,21β,22α,28-四羟基-12-齐墩果烯-28-O-β-D-吡喃木糖甙3α,21β,22α,28-五羟基-12-齐墩果烯-(28-O-β-D-xylopyranoside)[4],川陈皮素(nobiletin)[5],羽扇豆醇(lupeol),二十六醇(hexacosanol)[6],乙酸羽扇豆酯(lupeyl acetate),10-异丁酰氧基-8,9-环氧百里香酚异丁酰氧基-8-羟基百里香酚(9,10-diisobutyryloxy-8-hydroxythymol),知叶老灌草素(brevifolin),堆心菊灵(helenalin),异丁酸堆心菊灵内酯(flo-rilenalin isobutyrate )[7],异丁酰二氢堆心菊灵(isobutyroylplenolin),千里光酰二氢堆心菊灵(senecoylplenolin),四氢堆心菊灵(tetrahydrohelenalin),α-莎草酮(α-cyperone),槲皮素-3,7,3-三甲酯(quercetin-3,7,3-trimethylether),槲皮素-3,7,3,4-四甲酯(quercetin-3,7,3,4-tetramethyl-ether)[8],槲皮素-3-甲酯(quercetin-3-methyl-ether),槲皮素-3,3-二甲酯(quercetin-3,3-dimethylether),芹菜素(apigenin),咸南藤酰胺乙酸酯(aurantiamide acetate)[8,9],6-O-千里光酰二氢菊灵(6-O-senecoylplenolin),山金画内酯(arnicolide)C等[9]。