Antimicrobial and antioxidant activities of Moroccan Thymus satureioides essential oil

In order to increase the moroccan t. satureioides value,the antimicrobial and antioxidant activities of its essential oil were evaluated. the antimicrobial activity was carried out against frequent pathogenic microorganisms which cause problems in the medical and food fields. the study of antibacterial activity was performed on gram positive bacteria bacillus subtilis,bacillus cereus,staphylococcus aureus,micrococcus luteus and gram-negative bacteria escherichia coli,pseudomonas aeruginosa and salmonella thyphimirium while the antifungal activity was performed against two yeasts candida albicans and candida tropicalis by the microdilution method. according to the results of the minimal inhibitory concentration (mic) we can conclude that the essential oil has antimicrobial potential against all microorganisms studied. candida tropicalis was the most sensitive strain against the studied essential oil while pseudomonas aeruginosa was the most resistant one. the evaluation of the antioxidant activity by using dpph radical scavenging assay showed that this essential oil has a strong antioxidant power with an ic50 of 0.23 mg/ml. © 2017,university of mohammed premier oujda morocco.