Nisin

Nisin natural food preservative for dairy and meat products.
High-purity nisin powder for food safety applications.
Bacteriocin nisin for antimicrobial food preservation.
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Introduction

Nisin is a natural antimicrobial peptide produced by Lactococcus lactis. It is widely used as a food preservative due to its strong inhibitory effects against Gram-positive bacteria, including food spoilage organisms and pathogens such as Listeria monocytogenes. Recognized as safe (GRAS) by regulatory authorities, nisin is one of the most effective and commonly used natural preservatives in the food industry.

Uses

• Food Industry: Added to dairy, meat, beverages, and canned foods to inhibit bacterial growth and extend shelf life.
• Dairy Products: Used in cheese and milk-based products to prevent spoilage caused by lactic acid bacteria.
• Meat and Seafood: Applied to control pathogenic bacteria and maintain product freshness.
• Beverages: Stabilizes fruit juices and other liquid foods by preventing microbial contamination.

Specifications

• Source: Fermentation product of Lactococcus lactis
• Appearance: Light yellow to off-white powder
• CAS Number: 1414-45-5
• Chemical formula: C₁₄₃H₂₃₀N₄₂O₃₇S₇
• Purity: Food-grade
• Solubility: Soluble in water

Precautions

• Store in a cool, dry place away from heat, light, and moisture.
• Maintain airtight sealing after opening to avoid loss of activity.