About Nisin

Nisin is a naturally occurring antimicrobial peptide produced by the bacterium Lactococcus lactis. It is classified as a bacteriocin and is primarily effective against Gram-positive bacteria. Nisin does not have a fixed chemical formula like simple compounds, as it is a polypeptide composed of 34 amino acid residues. It is commonly available in powdered form and is typically standardised with sodium chloride or other carriers to facilitate ease of use in commercial applications.

Nisin is produced via controlled fermentation of select strains of Lactococcus lactis, followed by purification and drying. Due to its broad-spectrum antimicrobial activity and safety profile, it is widely used in the food industry as a natural preservative. It is also gaining attention in pharmaceuticals, personal care, and veterinary applications, where its targeted action and biodegradability offer distinct advantages over synthetic preservatives.

Nisin Uses

Food Preservative

Nisin is extensively used in the food industry to prevent the growth of spoilage organisms and pathogenic bacteria such as Listeria monocytogenes and Clostridium botulinum. It is commonly added to dairy products, processed meats, canned foods, beverages, and plant-based alternatives to extend shelf life without affecting taste or texture. Its effectiveness at low concentrations and stability under heat make it ideal for pasteurised and sterilised food products.

Pharmaceutical & Medical Applications

Nisin is being explored for use in topical antimicrobial treatments, oral care products, and drug delivery systems. Its ability to selectively target harmful bacteria while being considered safe for human use makes it an attractive candidate for formulations that require targeted microbial control without disrupting healthy microbiota.

Veterinary & Animal Health

In veterinary medicine, nisin is used to control bacterial infections in livestock, particularly in mastitis control products for dairy cows. Its natural origin and biodegradability make it a preferred alternative to synthetic antibiotics, especially in applications where residue concerns and antimicrobial resistance are critical factors.

Personal Care Products

Nisin is utilised in cosmetics and personal care formulations, including creams, oral rinses, and deodorants, where it acts as a natural preservative. Its antibacterial properties help prevent product spoilage and contribute to hygiene benefits without the need for synthetic additives.

Nisin Supplier Australia, USA & More!

Redox are trusted, authorised suppliers of nisin. With distribution centres worldwide, we can supply to Australia, USA, UK, NZ, Europe, Asia and more. Get in touch with our expert team, who can help you order the right product, form and amount for your needs.