[Assay of essential oil from Evodia rutaecarpa var. officinalis by GC/MS].

In the essential oil from Evodia rutaecarpa (Juss.) Benth. var. officinalis (Dode) Huang, 55 constituents were analysed by means of GC/MS/DS. The contents of these compounds are 92.0% in the essential oil from this plant. The main compounds are terpenoids.