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Compositions and comparisons of antimicrobial potencies of some essential oils and antibiotics against selected bacteria


SO Oyedemi
G Pirochenva
LV Mabinya
G Bradley
AJ Afolayan

Abstract

The antimicrobial activities of 10 essential oils extracted from various plant species were investigated and compared with the activities of 10 commercial antibiotics against 10 strains of bacteria using agar
diffusion method. Although, all the essential oils were active at concentration ranging from 0.5 to 1.5 mg/ml, their activities were more lower than the commercial antibiotics. However, being natural products
the oils have been reported to be much safer than the antibiotics. Another advantage of the essential oils used in this study was their broad spectrum activities against gram positive and gram negative bacteria. The oils were analyzed by GC and GC-MS techniques in order to determine their active
compounds.

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eISSN: 1684-5315