Nisin, a polycyclic antibacterial peptide produced by fermentation of a food grade bacteria is commercially used as a food preservative. The nisin is a natural food preservative and widely used in processed foods, majorly in dairy products, juice, canned foods and meat to increase the shelf life of the foods. Nisin is effective across a pH range of 3.5-8 and regarded as safe by the various food safety authorities in ... Read more
