Evaluation of antimicrobial activity of Zataria multiflora Bioss, Mentha piperita L, Cuminum cyminum L., Foeniculum vulgare Mill and Anethum graveolens L. essential oil on Escherichia coli isolated from poultry feces
The aim of this study was to investigate the effect of thyme, peppermint, cumin, dill, and fennel essential oils on Escherichia coli isolated from poultry feces. The essential oil of the plants used was obtained with a Clevenger Apparatus. Escherichia coli strains were isolated from poultry feces, isolated, and finally the minimum inhibitory concentration and the minimum lethal concentration were determined by Fine-grained method. All strains of Escherichia coli at concentrations, 1.56 mg/ml were inhibited by both thyme and peppermint. The MBC (3.12 mg / ml) for Zataria multiflora and peppermint has inhibited one- and two-way, respectively. All Escherichia coli strains at concentrations of 0.63 mg/ml were inhibited by all three cumin, dill, and fennel plants. The MBC (1.25 mg / ml) for cumin has led to double-sided control, but the concentration for dill and fennel was 5 mg/ml. The results showed that cumin, thyme, peppermint and then fennel and dill essential oils, respectively, with emphasis on the effectiveness of cumin essential oil, can be useful alone or in combination with other antimicrobial agents to treat infections caused by Escherichia coli bacteria.
Thyme , Peppermint , Escherichia coli , cumin , Dill , Fennel
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