Since Nisin is a polypeptide, it is rapidly inactivated in the intestine by digestive enzymes after consumption, Extensive micro-biological tests have not  shown any cross resistant between Nisin and medical antibacterial drug. Nisin possesses anti-microbial activity against a wide range of Gram-positive bacteria and their spores which causes food spoilage,especially inhibits the heat-resistant  bacilli,  such as B. Stearothermophilus, CI. Butyricum and L. Monocytogenes. It is a natural food preservative which is highly efficient,safe and has no side-effects. In addition,it has excellent solubility and stability in food.It is not effective against Gram-negative bacteria, yeasts or mould.
Specifications：

Usage：Nisin can be used in a wide range of heat-processed foods including: fresh milk, processed cheese and other dairy products, pasterrised liquid egg, processed meat,seafood, canned food, fruit drinks, vinegar, sauce, soy sauce, composite flavorings, plant protein drinks, baked products,  instant food, beer, wine ect.It can also be used as a preservative in gelatin processing,cosmetics, drugs and health  products.

Packing：500g/Bottle; 20 Bottles per carton.

Shelf life：2years

Storage：in cool ( 0°C-10°C), dry conditions, away from direct sunlight in original unopened packings.

Advantage on this item: Big quantity purchase, price best, Quality good.

Packing photos：