Nisin is a polycyclic antibacterial peptide which is produced by certain strains of the lactic acid bacteria Lactococcus lactis. It is considered as the most effective food-grade preservative among all bacteriocins. Nisin finds extensive application in food preservation as an alternative to other chemical preservatives. It helps inhibit the growth of Gram-positive foodborne pathogenic and spoilage bacteria. Nisin is commonly used in canned vegetables and fruits, dairy products, cheese, meat ... Read more