成熟佛手果实中含柠檬油素(citropten limettin),6,7-二甲氧基香豆精(6,7-dimethoxycoumarin),3,5,8-三羟基-4',7-二甲氧基黄酮门(3,5,8-trihydroxy-4',7-dimethoxy- flavone),柠檬苦素(limonin),闹米林(nomillin),胡萝卜甙(dau- costerol),β-谷甾醇(β-sitosterol),对-羟基苯丙烯酸(p-hydroxy phenylpropenoic acid),棕榈酸(palmitic acid),琥珀酸(succinic acid),顺式-头-尾3,4,3’,4’-柠檬油素二聚体(cis-head-to-tail- limettin dimer),顺式-头-头-3,4, 3’,4’-柠檬油素二聚体(cis- head-to-headh-limettin dimer),3,5,6-三羟基-4’,7-二甲氧基黄酮(3,5,6-trihydroxy-4’,7-dimethoxyflavone)及3,5,6-三羟基-7,3’,4’-三甲氧基黄酮(3,5,6-trihydroxy-7,3’,4’-trimethoxyfla-vone),还含痕量的香叶木甙(diosmin)和橙皮甙(hesperidin)。