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Revista de Salud Animal
Print version ISSN 0253-570XOn-line version ISSN 2224-4700
Abstract
RUBIO-ORTEGA, Annie et al. Antibacterial activity of essential oils from plants grown in Cuba on Salmonella enterica strains. Rev Salud Anim. [online]. 2018, vol.40, n.3, e09. ISSN 0253-570X.
Infections caused by Salmonella spp. (salmonellosis) are very frequent, being the second major cause of foodborne diseases worldwide. Given the growing emergence of antibiotic-resistant strains, alternatives are sought for treatment using essential oils as products that stand out for their potential as antimicrobials. The objective of this work was to determine the antibacterial activity of essential oils from plants grown in Cuba on Salmonella enterica strains. The essential oils were obtained by hydrodistillation or expression. The evaluation of the antibacterial action of 15 oils was carried out by agar diffusion. The promising ones were selected and the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined by the serial dilution technique. The essential oils of Ocimum gratissimum L., Lippia graveolens (Kunth) and Thymus vulgaris L. inhibited the growth of Salmonella enterica strains, including antibiotic-resistant strains. MIC and MBC values of the oils ranged between 0.5 mg/mL and 1 mg/mL. These essential oils are promising candidates for the development of antibacterial products for the control of salmonellosis.
Keywords : essential oil; salmonellosis; resistant strains.