劉寄奴含揮發油0.45%,油顯黃綠色,有刺激性香氣。含奇蒿黃酮(arteanoflavone),香豆精(couma-rin),5,7-二羥基-6,3,4-三甲氧基黃酮(eupatilin),小麥黃素(tricin),脫腸草素(herniarin),東莨菪素(scopatilin),繖形花內酯(umbelliferone),三裂鼠尾草素(salvigenin),喘諾木烯內酯(reynosin),狹葉墨西哥蒿素(armexifolin ),去氫母菊內酯酮(de-hydromatricarin),去乙酰基去氫母菊內酯酮(deacetyldehy-dromatricarin),斷短舌匹菊內酯(secotanapartholide)A,長葉艾菊內酯異構體(tanaphillin isomet),劉寄奴內酯(artanomaloide),奇蒿內酯(arteanomalactone),西米杜鵑醇(simiarenol),橙黃胡椒醯胺乙酸酯(aurantiamide acetate),繖形香青醯胺(anabellamide),劉寄奴醯胺(anomalamide),棕櫚酸(palmitic acid),反式-鄰-羥基桂皮酸(trans-O-hydroxycinnamic acid),反式-鄰-羥基對甲氧基桂皮酸(trans-O-hydroxy -p-methoxycinnamic acid)及環已六醇單甲醚(cyclohexanehexol monomethylether)等。