GC-MS Analysis of essential oil of Lavandula officinalis (Lamiaceae) from Laghouat, Algeria
Lavandula officinalis is one of the important Algerian plants, it is traditionally used in the treatment of stomach ailments, headaches, infections, and aches. The aim of this study was to determine the chemical constituents of essential oils of aerial parts of L. officinalis growing wild in South Algerian (Laghouat region). The chemical composition of essential oil analyzed using a Gas Chromatography/ Mass Spectrometry (GC-MS) technique. The yield obtained of essential oil is 2.8%. The essential oil of L. officinalis characterized by the presence of linalool (35.8%), Linalyl acetate (21%), Camphor (7.2%) and α-Terpineol (5.2%) as major compounds.The quality of lavender oil produced in Laghouat region can be compared with other parts of the globe which indicates its international quantity.