Weiri® Nisin
Product Information
Nisin is a small-molecule polypeptide with antibacterial activity that is synthesized and secreted by Lactococcus. At normal levels of use, it does not affect the color, odor or flavor of the finished product.
Chemical Formula: C143H230N42O37S7
CAS number: 1414-45-5
E number: 234
Appearance: white to light brown powder
Chemical Formula: C143H230N42O37S7
CAS number: 1414-45-5
E number: 234
Appearance: white to light brown powder

Applications
Nisin is commonly used as a preservative in processed cheeses and cheese spreads, pasteurized liquid egg products, processed meats, canned food, and beer to inhibit Gram-positive bacteria that cause spoilage and common pathogens that cause food poisoning, such as Listeria, Clostridium botulinum, and Bacillus cereus.
| Food Applications | Dosage Level (mg/kg or mg/L) |
|---|---|
| Processed Cheese | 5.0-15.0 |
| Pasteurized Chilled Soups | 2.5-6.25 |
| Canned Foods | 2.5-5.0 |
| Cooked Sausage | 5.0-25.0 |
| Salad Dressings | 1.25-5 |
| Beer: pitching Yeast Wash | 25.0-37.5 |
| Processed Meat | 0.25-1.25, 200 IU/g |
Product Certification

