Product Name:Nisin
Introduction：Nisin is a polycyclic antibacterial peptide with 34 amino acid residues used as a food preservative.
Nisin is produced by fermentation using the bacterium Lactococcus lactis. Commercially, it is obtained from the culturing of Lactoccus lactis on natural substrates, such as milk or dextrose, and is not chemically synthesized. It is used in processed cheese, meats, beverages, etc. during production to extend shelf life by suppressing Gram-positive spoilage and pathogenic bacteria.
Appearance:Off-white powder
Molecular Formula: C₁₄₃H₂₂₈O₃₇N₄₂S₇
Molecular Weight:3348
INS:234
CAS Number:1414-45-5
Specification:GB2394-2007
Application:
As a food preservative, can greatly decrease the required temperature and shorten the time at food heat processing, which could not only improve the nutritional value, appearance, flavor and texture of foods, prolong significantly the shelf-life, but also save energy greatly and lower the product cost.  
Now, nisin have been used in a wide range of processed foods.It can also be used in the areas of cosmetics, medicines and health products.