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Antibacterial activity of aromatic plants essential oils from Serbia against the Listeria monocytogenes

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Author(s): Klaus Anita | Beatović Damir | Nikšić Miomir | Jelačić Slavica | Petrović Tanja

Journal: Journal of Agricultural Sciences
ISSN 1450-8109

Volume: 54;
Issue: 2;
Start page: 95;
Date: 2009;
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Keywords: Listeria monocytogenes | essential oils | antibacterial activity

ABSTRACT
The purpose of this study was to examine the effectiveness of selected essential oils for the control of the growth and survival of pathogenic bacteria Listeria monocytogenes ATCC 19112 and Listeria monocytogenes ATCC 19115, which are of significant importance in food hygiene. Essential oils extracted from Salvia officinalis L., Rosmarinus officinalis L., Majorana hortensis Moench., Thymus vulgaris L., Carum carvi L., Pimpinella anisum L. and Coriandrum sativum L. were evaluated. Antibacterial activity was done by the disk diffusion method in the presence of pure essential oils and four suspensions in alcohol. The best results obtained with Thymus vulgaris and Majorana hortensis essential oils, which were acting microbicidaly on both observed strains of Listeria monocytogenes, even in the small concentration. Because some of the essential oils were highly inhibitory even in small quantities to selected pathogenic bacteria, they may provide alternatives to conventional antimicrobial additives in foods. .
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