eng Oriental Scientific Publishing Company Biosciences Biotechnology Research Asia 0973-1245 2016-01-11 3 1 39 41 3539 article Ayadi Sameha 1 Ben Salah Dorrab 1 Hedhili Abderrazekb 1 Abderrabba Manefa 1 Unit? de recherche physico-chimie mol?culaire IPEST, Bo?te postale 51, 2070 la Marsa (Tunisie) bLaboratoire de centre d’assistance m?dicale urgente de Tunis, 10 Abou El Kacem Chebbi Montfleury 1008 Tunis (Tunisie) This work deals with the properties of the antibacterial effect of Thymus capitatus essential oil. A qualitative study by GC / MS on the extracts of the essential oil was realized. Forty two constituents were found. This major products are: thymol, carvacrol and terpinen-4-ol. The Thymus capitatus essential oil test was applied on nine bacteria. Results showed that the extracts of oil present an activity that stand especially against Pseudomonas aeruginosa and against reference bacteria such as Escherichia coli (ATCC 7625), Pseudomonas aeruginosa (ATCC 7624), and Staphylococcus aureus (ATCC 76110). https://www.biotech-asia.org/vol3no1/a-bacteriological-study-of-the-thymus-capitatus-essential-oil-of-tunisia/ Thymus capitatus; thymol; essential oil; antibacterial activity