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- Title
Antimicrobial Susceptibility of Escherichia coli Strains Isolated from Alouatta spp. Feces to Essential Oils.
- Authors
Lara, Valéria Maria; Carregaro, Adriano Bonfim; Santurio, Deise Flores; Sá, Mariangela Facco de; Santurio, Janio Moraes; Alves, Sydney Hartz
- Abstract
This study evaluated the in vitro antibacterial activity of essential oils from Lippia graveolens (Mexican oregano), Origanum vulgaris (oregano), Thymus vulgaris (thyme), Rosmarinus officinalis (rosemary), Cymbopogon nardus (citronella), Cymbopogon citratus (lemongrass), and Eucalyptus citriodora (eucalyptus) against Escherichia coli (n=22) strains isolated from Alouatta spp. feces. Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined for each isolate using the broth microdilution technique. Essential oils of Mexican oregano (MIC mean = 1818 μg mL−1; MBC mean = 2618 μg mL−1), thyme (MIC mean = 2618 μg mL−1; MBC mean = 2909 μg mL−1), and oregano (MIC mean = 3418 μg mL−1; MBC mean = 4800 μg mL−1) showed the best antibacterial activity, while essential oils of eucalyptus, rosemary, citronella, and lemongrass displayed no antibacterial activity at concentrations greater than or equal to 6400 μg mL−1. Our results confirm the antimicrobial potential of some essential oils, which deserve further research.
- Subjects
FECES; MICROBIOLOGY; ESCHERICHIA coli; ESSENTIAL oils; EUCALYPTUS; MEDICINAL plants; MICROBIAL sensitivity tests; OREGANO; ROSEMARY; THYMES; LEMONGRASS; IN vitro studies
- Publication
Evidence-based Complementary & Alternative Medicine (eCAM), 2016, Vol 2016, p1
- ISSN
1741-427X
- Publication type
Article
- DOI
10.1155/2016/1643762