Piperine, a phytochemical potentiator of ciprofloxacin against Staphylococcus aureus - PubMed (original) (raw)

Piperine, a phytochemical potentiator of ciprofloxacin against Staphylococcus aureus

Inshad Ali Khan et al. Antimicrob Agents Chemother. 2006 Feb.

Abstract

Piperine, a trans-trans isomer of 1-piperoyl-piperidine, in combination with ciprofloxacin markedly reduced the MICs and mutation prevention concentration of ciprofloxacin for Staphylococcus aureus, including methicillin-resistant S. aureus. The enhanced accumulation and decreased efflux of ethidium bromide in the wild-type and mutant (CIPr-1) strains in the presence of piperine suggest its involvement in the inhibition of bacterial efflux pumps.

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Figures

FIG. 1.

FIG. 1.

Accumulation (A) and efflux (B) of ethidium bromide in wild-type and mutant (CIPr-1) strains and effect of piperine (25 μg/ml) thereon.

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