Atividade antibacteriana de óleos essenciais frente à Pseudomonas aeruginosa e Staphylococcus aureus
DOI:
https://doi.org/10.31668/rbc.v11i1.12594Abstract
Plants have become the target of new searches, in which their essential oils (EO) have demonstrated antimicrobial activity against several microorganisms. This study aimed to test the efficacy of eucalyptus (Eucalyptus citriodora) and lavender (Lavandula dentata) EOs against ATCCS strains, the bacteria Pseudomonas aeruginosa and Staphylococcus aureus. The method of sowing in Petri dishes with different concentrations of the oils mentioned was used, in addition to antibiotics as positive controls (amoxicillin and ciprofloxacin) and negative control (tween 80). After 24h, 48h and 72h of incubation in an oven at 37ºC, measurement of inhibition zones was performed. The oils did not show activity at any concentration tested against P. aeruginosa. Already against S. aureus, the oils showed inhibition at concentrations above 30%, with greater inhibition in the EO of 100% eucalyptus.
Keywords: antibacterial resistance, essential oils, innovative medicines, respiratory tract bacteria.
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