It is a pure nisin product.

Nisin is a polypeptide, which is produced by Lactococcus lactis. It is a natural and very effective food preservative. Nisin has antimicrobial activity against a wide range of gram positive (+) bacteria.

It also inhibits certain strains of pathogens such as C. botulinum, S. aureus, S. haemolyticus, L. monocytogenes, B. stearothermophilus, B. subtilis and some others.

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