
Nisin
Category:Food Additives
Introduction
Molecular Formula: C143H230O37N42S7
Molecular Weight: 3348
CAS No.: 1414-45-5
Product name:
Nisin
Description
It is a light brown to milky white powder. It contains 34 amino acids and has an approximate empirical formula of C143H230O37N42S7. It is a mixture of closely related polypeptides produced by strains of the Lactococcus lactis subsp. lactis Lancefield Group N in a sterilized milk-culture medium.
Application
It is primarily used as a preservative in the food industry. It inhibits most Gram-positive bacteria and has a strong inhibitory effect on spores of Bacillus
Specification
Appearance
Light brown to milky white powder.
Identification
Meets the requirements.
Titer
≥ 900IU/mg
Loss on drying
≤3.0%
Sodium Chloride
≥ 50.0%
Lead
≤1mg/kg
Total Plate Count
≤10CFU/g
Coliforms
≤3.0MPN/g
Escherichia coli
≤3.0MPN/g
Salmonella
Negative in 25g
Packing and Storage
Store in well-closed containers at temperatures not exceeding 22°C.