1.杜衡从全草中分离出杜衡素(asarumin)A、B、C、D,榄香脂素(elemicin),细辛脑(asarone)和亚油酸(linoleic acid)。全草(干品)含挥发油 2.6%,从挥发油中除分离出甲基丁香油酚(methyl eugenol),甲基异丁香油酚(methyl isoeugenol),榄香脂素(elemicin)和卡枯酸(kakuol)外,还含有:a-蒎烯(a-pinene),樟烯(camphene),β-蒎烯(β-pinene),月挂烯(nyrcene),香桧烯(sabinene),柠檬烯(limonene),1,8-按叶素(1,8-cineole),对-聚伞花素(p-cymene),γ-松油烯(γ-terpinene),异松油烯(terpinolene),樟脑(camphor),龙脑(borneol),a-松油醇(a-terpineol),3,5-二甲氧基甲苯(3,5-dimethoxytouene),黄樟醚(safrole),反式-丁香烯(trans-caryophyllene),β-古芸烯(β-gur-junene),反式-β-金合欢烯(trans-β-faranesene),细辛醚(asaricin),肉豆寇醚(myristicin),异榄香脂素(isoelemicin)等。
2.小叶马蹄香全草(干品)含挥发油0.6%,挥发油中的成分有:1,8-按叶素(l,8-cineole),芳樟醇(linalool),龙脑(bor-neol),a-松油醇(a-terpineol),萘(naphthalene),2-异丙基-5-甲基茴香醚(2-isopropyl-5methylanisole),乙酸龙脑酯(bornylacetate)3,5-二甲氧基甲苯(3,5-dimethoxytoxytoluene),黄樟醚(safrole),反式-丁香烯(trans-caryophyllene),β-古芸烯(β-gUr-junene),反式-β-金合欢烯(trans-β-farnesene),葎草烯(humulene),β-橄榄烯(β-maaliene),甲基丁香油酚(methyleugenol),2,3,5-三甲氧基甲苯(2,3,5-trimethoxytoluene),橙花叔醇(nerolidol),细辛醚(asaricin),甲基异丁香油酚(methylisoeugenol),肉豆蔻醚(myristicin),榄香脂素elemicin),异榄香脂素(isoelemicin)和2,4,5-三甲氧基丙烯基苯(2 4,5-trimethoxypropenylbenzene),樟烯(camphene),a-蒎烯(a-pinen),β-蒎烯(β-pinene),月桂烯(myrcene),β-水芹烯(β-phel-landrene),β-松油烯(β-terpinen),3,4-二甲基-2,4,6-辛三烯(3,4,-dimethyl-2,4,6-octatriene),优葛缕酮(eucarvone),表樟脑(epicamphor),异龙脑(soborneol),爱草脑(estragole),十五烷(pentadecane),β-甜没药烯(β-bisabolene),2-甲氧基黄樟醚(croweacin),柠檬烯(limonene),金合欢醇(farnesol),卡枯醇 (kakuol),2,5-双叔丁基噻吩(2,5-itertbutylthiophene),反式细辛脑(trans-asarone)。