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Chemical Composition and Antibacterial Activity of Essential oil of Mentha longifolia Leaf from Albaha Area Southern Saudi Arabia

Asian Journal of Biological and Life Sciences ,2019,8,2,48-52.
Published:August 2019
Type:Original Research Article
Author(s) affiliations:

Bader Omer Burham1, Osman Ali Osman2, Azhari Abdelhafeedh Mohammed Nour3

1Department of Chemistry, Faculty of Science, Albaha University, Albaha. SAUDI ARABIA.

2Department of Chemistry, Faculty of Science, Minia University, El Minia, EGYPT.

3Department of Nutrition and Food Technology, Faculty of Science and Technology, Omdurman Islamic University, Sudan, Now Albaha University, FAMS, SAUDI ARABIA.


The essential oil obtained by hydrodistillation from the leaves of Saudi Arabia native Mentha longifolia (Lamiaceae) was analyzed by gas chromatography-mass spectrometry GC/MS. Forty six compounds were analysed, it was characterized by a high percentage of oxygenated monoterpenes (30.40%) with Piperitone as the major one (30.77%), followed by sesquiterpen hydrocarbons (26.08%) in which Caryophellene (5.58%) as the main, while monoterpene hydrocarbons (23.90%) with gamma-Terpinene (1.36%) as a main. The principal components of M. longifolia oil was the piperitone with chemical formula C10H14O. The antibacterial activity of the essential oil of M. longifolia L. leaf were evaluated in this study. The essential oil showed strong antibacterial activity against Bacillus subtilis with inhibition zone (25mm) and Escherichia coli (24mm), It seems that the essential oils derived from the Mentha longifolia L. oil could be used as a natural source of antimicrobial agents.