Introduction: Nisin is a food preservative which is well-known around the world Features: 1) Since nisin (also known as Str. lactic peptide) is a polypeptide, it is rapidly inactivated in the intestine by digestive enzymes after consumption 2) Extensive micro-biological tests have not shown any cross resistant between nisin and medical antibacterial drug 3) Nisin possesses anti-microbial activity against a wide range of Gram-positive bacteria and their spores which cause food spoilage, and especially inhibit the heat-resistant bacilli, such as B. Stearothermophilus, CI. Butyricum and L. Monocytogenes: 4) It is a natural food preservative which is highly efficient, safe and has no side-effects 5) In addition, it has excellent solubility and stability in food. It is not effective against Gram-negative bacteria, yeasts or mould Range of application: 1) Nisin can be used in a wide range of heat-processed foods 2) These include: fresh milk, processed cheese and other dairy products, pasteurized liquid eggs, processed meat, seafood, canned food, fruit drinks, plant protein drinks, baked products, instant food, beer, and wine 3) It can also be used as a preservative in gelatin processing, cosmetics, drugs and health products. Expiration: two years in cool (0°C - 10°C), dry conditions, away from direct sunlight in original unopened packs. Standards: 1) Conforms to International specifications for nisin, including FAO/WHO, EU, and US FD 2) It is manufactured in accordance with the Chinese Light Industry Standard QB2394-98, and it meets the requirement of the People's Republic of China Agriculture Standard NY/T392-2000 for using additives in producing green foods 3) The product is registered with USA , and certified by HALAL and Kosher (Parva)