Food production Nisin is used in processed cheese, meats, beverages, etc. during production to extend shelf life by suppressing Gram-positive spoilage and pathogenic bacteria.In foods, it is common to use nisin at levels ranging from ~1-25 ppm, depending on the food type and regulatory approval. As a food additive, nisin has an E number of E234.
ITEM
STANDARD
Appearance
Light brown to cream white powder
Potency (IU/ mg)
1000 Min
Loss on drying (%)
3 Max
pH (10% solution)
3.1- 3.6
Arsenic
=< 1 mg/kg
Lead
=< 1 mg/kg
Mercury
=< 1 mg/kg
Total heavy metals ( as Pb)
=< 10 mg/kg
Sodium chloride (%)
50 Min
Total plate count
=< 10 cfu/g
Coliform bacteria
=< 30 MPN/ 100g
E.coli/ 5g
Negative
Salmonella/ 10g
Negative
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