Atividade antimicrobiana do óleo essencial de Lippia origanoides e Lippia rotundifolia frente a enterobactérias isoladas de aves / Antimicrobial activity of Lippia origanoides and Lippia rotundifolia oils against enterobacteria isolated from poultry
Arq. bras. med. vet. zootec
; 67(3): 940-944, May-Jun/2015. ilus
Article
em Pt
| LILACS
| ID: lil-779233
Biblioteca responsável:
BR68.1
ABSTRACT
The aim of this study was to evaluate the antimicrobial activity of essential oils on enterobacteria Escherichia coli and Staphylococcus aureus isolated from poultry fecal samples in the cloaca from 49 laying hens. To analyze the antimicrobial sensibility an agar diffusion susceptibility test was performed and the Minimum Inhibitory Concentration (MIC) and the Minimum Bactericida Concentration (MBC) of Lippia origanoides and Lippia rotundifolia essential oils was determined. The concentrations used were 160, 80 and 40 L/mL. The L. origanoides essential oil showed antimicrobial effect from 40 L/mL dose against both microorganisms, with larger efficiency in E. coli. The L.rotundifolia essential oil was more efficient at the concentration of 160L/mL. Its effect was observed in all microorganisms. These results suggest that L. origanoides oil is more effective than L. rotundifolia oil in inhibiting the growth of microorganism isolated from poultry, although it also has a satisfactory antimicrobial effect. Results indicate the potential use of these plant's essential oils in poultry feed as an alternative to conventional antimicrobial products.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Aves Domésticas
/
Lippia
/
Anti-Infecciosos
Limite:
Animals
Idioma:
Pt
Revista:
Arq. bras. med. vet. zootec
Assunto da revista:
MEDICINA VETERINARIA
Ano de publicação:
2015
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil