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Antimicrobial properties of plant extracts of Thymus vulgaris L., Ziziphora tenuior L. and Mentha Spicata L., against important foodborne pathogens in vitro

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Author(s): Faride Tabatabaee | Ali Mortazavi | A. Koocheki | SH. Afsharian | Behrooz Alizadeh Behbahani

Journal: Scientific Journal of Microbiology
ISSN 2322-2948

Volume: 2;
Issue: 2;
Start page: 23;
Date: 2013;
Original page

Keywords: Thymus vulgaris L. | Ziziphora tenuior L. | Mentha Spicata L. | Diffusion method Antimicrobial effects

ABSTRACT
The ancient-Iranians were familiar with many medicinal herbs and were aware of their usefulness in treatment of various diseases. In this study Thymus vulgaris L., Ziziphora tenuior L. and Mentha Spicata L. extracted with methanol 96°and the antimicrobial effects of extracts were evaluated on Escherichia coli PTCC 1330 and Staphylococcus aureus PTCC 1337 by “using the method of Collins” and “disk agar diffusion method”. The results show that methanolic extracts were quite effective in 2000 μg/ml concentration on Escherichia coli PTCC 1330 and Staphylococcus aureus PTCC 1337 and were prevented from growth them on medium. In “disk agar diffusion method”, 10, 20, 30 and 40 % methanolic extract concentrations, was deterrented effect on Escherichia coli PTCC 1330 and Staphylococcus aureus PTCC 1337. The Thymus vulgaris L., Ziziphora tenuior L. and Mentha Spicata L. extracts presented the more effective impact on the growth of Staphylococcus aureus PTCC 1337than Escherichia coli PTCC 1330 (p
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