在共有成分中，含量最高的成分α-蒎烯和1,8-桉油精，本研究对α-蒎烯

In common components, the component having the highest content of α- pinene and 1,8-cineol, this study α- pinene and 1,8-cineol single standard confirmed. Three kinds of the volatile oils of eucalyptus and contents quite different, and the highest Eucalyptus grandis leaf volatile oil component content is eucalyptol, accounting for 59.55% and 50.49%, while Eucalyptus Essential Oil component having the highest content of α- pinene (41.91%).

Among the common ingredients, the highest content of the components alpha-pyrene and 1,8-argon oil essentials, the study of alpha-pyrene and 1,8-argon oil concentrate for a single calibration. The composition and content of the three eucalyptus volatile oils vary greatly, and the highest content in blue eucalyptus and giant eucalyptus volatile oil is eucalyptus oil, which accounts for 59.55% and 50.49% respectively, while the highest content in the large leaf volatile oil is alpha-pyrene (41.91%).

Among the common components, α - pinene and 1,8-eucalyptus olein are the highest. In this study, α - pinene and 1,8-eucalyptus olein were identified by single standard. The components and contents of the three kinds of Eucalyptus volatile oil are quite different. Eucalyptus globulus and Eucalyptus grandis have the highest content of Eucalyptus olein, accounting for 59.55% and 50.49% respectively, while Eucalyptus grandis has the highest content of α - pinene (41.91%).