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Inhibition of fish bacterial flora by bacteriocins of lactic acid bacteria.

Abstract

Seven strains of lactic acid bacteria (LAB) were tested for the productions of bacteriocins or bacteriocin-like substances by agar spot method. By excluding inhibition due to acid and confirming their proteinaceus nature, the inhibitors were confirmed as bactereiocins. The ability of four bacteriocin strains, viz., Lactobacillus plantarum 89, L. plantarum 8014, L. helveticus and Pediococcus pentosaceus 25445, to inhibit thirty five strains of bacteria isolated from fish and fishery products were screened.

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