Antimicrobial Susceptibility of Escherichia coli Strains Isolated from Alouatta spp. Feces to Essential Oils

Table 1

MIC and MBC of seven essential oils.

Essential oils	MIC (g mL^−1)				MBC (g mL^−1)
	Band	MIC50	MIC90	Mean	Band	MBC50	MBC90	Mean
Lippia graveolens	800–3200	1600	3200	1818	800–3200	3200	3200	2618
Thymus vulgaris	1600–3200	3200	3200	2618	1600–3200	3200	3200	2909
Origanum vulgare	1600–3200	3200	3200	3418	3200–6400	3200	6400	4800
Rosmarinus officinalis	>6400	>6400	>6400	ND	0	0	0	ND
Eucalyptus citriodora	>6400	>6400	>6400	ND	0	0	0	ND
Cymbopogon nardus	>6400	>6400	>6400	ND	0	0	0	ND
Cymbopogon citratus	>6400	>6400	>6400	ND	0	0	0	ND

MIC: minimum inhibitory concentration; MBC: minimum bactericidal concentration; ND: not determined.