Supplier: MP Biomedicals

Nisin is a polypeptide (34 residues) antibiotic structurally similar to subtilin but containing no tryptophan; a member of the lantibiotic family. Reduces the thermal resistance of bacterial spores in milk-based beverages.The C-terminus of nisin is responsible for the initial interaction of nisin, binding to the target membrane. Active against Gram-positive bacteria at the cytoplasmic membrane.

Supplier: Spectrum Chemicals

Nisin from Lactococcus lactis is a polypeptide produced by the fermentation of Lactococcus lactis. In cosmetic and personal care product formulations, it functions as a preservative with antimicrobial properties. It can be used in skin care products.

Supplier: Thermo Scientific Chemicals

Effective against a broad range of Gram-positive bacteria but not against Gram-negative cell membranes