Basic Information
Product name	Nisin
Grade	Food grade
Appearance	light brown to milky white powder
Assay	99%
Shelf life	2 years
Packing	25kg/bag
Condition	Keep in a cool, dry, dark location in a tightly sealed container or cylinder.

Nisin is a natural biological antibacterial peptide produced by the fermentation of nisin naturally present in milk and cheese. It has a broad-spectrum antibacterial effect and can effectively inhibit the growth and reproduction of most gram-positive bacteria and their spores. In particular, it has obvious inhibitory effects on common Staphylococcus aureus, Streptococcus hemolyticus, botulinum and other bacteria, and can play a role in preserving and preserving many foods. In addition, nisin has good stability, heat resistance and acid resistance, and has good application prospects in the food industry.The amount of nisin used varies with storage temperature and the shelf life. Nisin is a natural preservative for many food products and it is a kind of efficient, non-toxic, safe, no side effects food preservative, It has good solubility and stability, so it is widely used in the food and milk drink, also can be used in the cosmetic products. First, Nisin can be added to yogurt or fruit milk, it can extend the shelf life from six days at room temperature to more than one month. Second, Nisin has a wide range of applications, suitable for all kinds of Chinese, western, high, middle and low-grade products. For example, barbecue, ham, sausage, chicken products and sauce products. Its antiseptic effect is very obvious, which can make the shelf life of low-temperature meat products reach more than three months at room temperature.  Thrid, Nisin can effectively prevent the growth of microorganisms, improve the quality of products and extend the retention period of products.