Chemical Composition of the Essential Oil of Haplophyllum tuberculatum (Forssk.) L.A. Juss. From Algeria.

The chemical composition of the essential oil of Haplophyllum tuberculatum (Forssk.) L. A. Juss. was analysed by GC and GC–MS, the identified components constituting 82.5% of the oil. The main constituents were -phellandrene (2.1%), -phellandrene (3.0%), terpinene-4-ol (3.2.%) , p-cymene-8-ol (2.9%), piperitone (17.8), 2,4-bis(1,1-dimethylethyl)-phenol (28.3%), (1E,4E)-germacrene B (2.1%), hexadec-1-ene (3.2%) and octadec-1-ene (2.1%).