alexa Evaluation of the antimicrobial activity of citral
Microbiology

Microbiology

Journal of Antivirals & Antiretrovirals

Author(s): Onawunmi GO

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Citral showed appreciable antimicrobial activity against Gram-positive and Gram-negative bacteria as well as fungi. Media composition and inoculum size had no observable effect on activity but alkaline pH increased citral activity. The growth rates of Escherichia coli cultures were reduced at concentrations of citral ≥0·01% v/v while concentrations ≥0·03% v/v produced rapid reduction in viable cells followed by limited regrowth. In a non-growth medium, 0·08% and 0·1% v/v showed rapid bactericidal effects. Citral may therefore be of preservative use in addition to its other uses in the food, soap and cosmetic industries.

This article was published in Letters in Applied Microbiology and referenced in Journal of Antivirals & Antiretrovirals

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