Abstract
Growth Enhancement of Lactic Acid Bacteria for Production of Bacteriocin Using a Local Condiment Supplemented with Nitrogen Sources
Highlights
The failure of antibiotics due to drug resistant pathogens and consumers‟ antipathy for chemical additives as preservatives has led researchers to seek alternative methods of biopreservation of food of natural origin.[1,2] The nutritional composition of food enhances the growth and survival of pathogenic and spoilage microorganisms in the absence of preservatives.[3]
Bacteriocins derived from lactic acid bacteria (LAB) have excellent preservative properties mostly to the food industry.[3]
Similar findings by Ogunbanwo et al.[28] revealed that L. plantarum and L. brevis isolated from Ogi had antibacterial activity against E. coli and Enterococcus faecalis
Summary
The failure of antibiotics due to drug resistant pathogens and consumers‟ antipathy for chemical additives as preservatives has led researchers to seek alternative methods of biopreservation of food of natural origin.[1,2] The nutritional composition of food enhances the growth and survival of pathogenic and spoilage microorganisms in the absence of preservatives.[3] natural preservatives such as bacteriocins which are non-detrimental to human health are a good alternative to chemical preservatives in foods.[2] Bacteriocins are the low molecular mass of extracellularly released and ribosomally synthesized peptides or proteins They functionally inhibit the growth of spoilage and pathogenic Gram-positive and negative bacteria in foods.[4] Many Gram positive and negative microorganisms can produce bacteriocins.[5] Bacteriocins derived from lactic acid bacteria (LAB) have excellent preservative properties mostly to the food industry.[3] it does not alter the gastrointestinal tract (GIT) microflora as experienced with antibiotics[4] is a generallyregarded–as-safe (GRAS) preservative.[3] Bacteriocin in the GIT successfully maintains microbial population and reduce members of competitors to establish a more nutrient and environmental-friendly living space while being harmless to consumers.[6] Asides Food Science application, bacteriocin can be applied in Veterinary medicine to Citation: Oshoma CE, Allen OA, Oyedoh PO.
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