Nisin

·Nisin is consists of 34 amino acids connected.Nisin has been proven to have a wide range of antibacterial effects on gram-positive bacteria that cause food spoilage, especially heat-resistant spores.

· Experiments show that nisin has very good inhibitory and killing effects on Lactobacillus, Micrococcus, Staphylococcus, Enterococcus, Pediococcus, Listeria, etc.

·Nisin is stable at ambient temperatures and when heated under acidic conditions.

·Nisin is commercially available as nisin preparation, which contains 2.5% w/w nisin, ≥ 50% sodium chloride.The activity of nisin is measured in International Units (IU). 1 IU of nisin is equivalent to 0.025 µg.