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medicină veterinară - Ion Ionescu de la Brad

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Universitatea <strong>de</strong> Știinţe Agricole și Medicină Veterinară<br />

Among the bacteria tested, Pseudomonas aeruginosa was the most resistant towards both<br />

ethanol extracts and essential oils, but mostly against the first mentioned (inhibition zone ranged<br />

between 10-14 mm), while Streptococcus spp. strains were the most sensitive.<br />

CONCLUSIONS<br />

All the screened Lamiaceae species showed antibacterial potential, but with significant<br />

differences concerning the level of bacterial growth inhibition. The antimicrobial activity seemed to<br />

be <strong>de</strong>pen<strong>de</strong>nt mostly on herbal extraction type, and also on bacterial genera. Salvia officinalis<br />

<strong>de</strong>monstrated the strongest antimicrobial efficacy against all bacterial strains. Also, Thymus vulgaris,<br />

Rosmarinus officinalis and Mellisa officinalis essential oils possessed promising antibacterial<br />

properties against canine bacterial <strong>de</strong>rmatopathogens.<br />

REFERENCES<br />

1. Carson C.F., Cookson B.D., Riley T.V. -1995- Susceptibility of methicillin-resistant Staphylococcus aureus to<br />

the essential oils of Me<strong>la</strong>leuca alternifolia, Journal of Antimicrobial Chemotherapy, 35, 421-424<br />

2. De<strong>la</strong>mare A. P. L., Pistorello I. T. M., Artico Liane, Serafini L. A., Echeverrigaray S. -2007- Antibacterial<br />

activity of the essential oils of Salvia officinalis L. and Salvia triloba L. cultivated in South Brazil, Food<br />

Chemistry, 100:603-608<br />

490

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