山慈姑全草(干品)含挥发油约0.2%,挥发油中的成分有:α-蒎烯(α-pinene),樟烯(camphene),β-蒎烯(β-pinene),α-水芹烯(α-phellandrene),柠檬烯(limonene),β-水芹烯(β-phellandrene),1,8-桉叶素(1,8-cineole),对-聚伞花素(p-cymene),γ-松油烯(γ-terpinene),异松油烯(terpinolene),芳障醇(linalool ),龙脑(borneol),α-松油醇(α-terpineol ),萘(na