The essential oil was obtained by hydrodistillation from leaves of Warionea saharae and analyzed by GC-FID and GC-MS. Oxygen-containing terpene was the main group of constituents in both oil. This essential oil is rich in β-Eudesmol (32.87%), isomenthol (6.27%), Terpinyl butyrate (5.51%), Trans-nerolidol (5.31%), Linalool (4.99%), Terpinen-4-ol (3.55%) and Caryophyllane a (3.36%).
Keywords: GC-MS, essential oil, isomenthol, medicinal plant, Warionea saharae, β-Eudesmol.