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The effect of a fixed non-mineral oil on the antibacterial activity of ampicillin trihydrate against resistant clinical strains of Staphylococcus aureus


OE Adeleke
JO Olaitan

Abstract

The effect of King's Vegetable oil, a fixed non-mineral oil, on the antibacterial activity of ampicillin trihydrate, a water- insoluble form of ampicillin, was investigated against resistant clinical strains of Staphylococcus aureus. In the agardiffusion method employed, 40% of the resistant clinical strains tested showed sensitivity to different oil-dispersed concentrations of ampicillin trihydrate, which ranged from 0.06ìg/ml to 1.25ìg/ml. The resistant strains were among the clinical
strains detected with Beta-lactamase. This finding is presented as a preliminary report on the potentiality of employing an oil medium to effect a "cure" of antibiotic resistance in staphylococci besides the use of acridine dyes, ethidium bromide, ultraviolet radiation and other measures.

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eISSN: 1119-5096
print ISSN: 1119-5096