Food & beverage
Preservative in processed cheese and dairy products.
Ingredients / Preservatives / Nisin
Preservatives
Nisin (E 234)
Nisin for U.S. manufacturers, from vetted producers. FCC / USP grade on request. Download the sample spec sheet, then send us your grade and quantity.
TRACED · CERTIFIED · RELIABLE · TRANSPARENT · TESTED
Key facts
| CAS No. | 1414-45-5 |
|---|---|
| E-number (EU) | E 234 |
| Chemical formula | C143H230N42O37S7 |
| Molecular weight | 3 354,12 |
| Description | White powder |
| Grades | EU Reg. 231/2012 (E 234) sample spec · FCC / USP available on request for U.S. food/pharma use |
| Origin | Confirmed in every offer; stated per lot on the COA |
| Storage, shelf life, packaging | Per the producer's specification, on request |
What nisin is
Nisin consists of several closely related polypeptides produced by strains of Lactococcus lactis subsp. lactis. Formula C143H230N42O37S7, molecular weight 3 354,12. White powder. (Source: EU Regulation 231/2012, E 234.)
Applications by industry
Sample specification
Values from EU Regulation 231/2012 (E 234), consolidated text of 18.08.2026. Actual values depend on the producer; the producer's specification and the COA for your lot are available on request.
| Assay | Nisin concentrate contains not less than 900 units per mg in a mixture of non-fat milk solids and a minimum sodium chloride content of 50 % |
|---|---|
| Loss on drying | Not more than 3 % (102 °C to 103 °C, to constant weight) |
| Arsenic | Not more than 1 mg/kg |
| Lead | Not more than 1 mg/kg |
| Mercury | Not more than 1 mg/kg |
Download the full spec sheet (PDF)
Documents and sourcing
Droplet promise. Origin confirmed in every offer. Sample lot record on request, from the producer. SDS, allergen and other statements on request. We work with vetted producers and give you access to U.S.- and EU-stocked material through our partner network.
Data sheet, SDS and COA on request. Every delivery ships with a COA linked to the delivered lot.
Questions buyers ask
What is nisin used for?
Typical uses by industry. Food & beverage: Preservative in processed cheese and dairy products. Suitability for your product and market is confirmed with the producer's specification.
Which grades can McBoeck supply?
Food grade to EU Regulation 231/2012 (E 234). FCC / USP grade is available on request for U.S. food and pharma use. Particle size and other grade details follow the producer's specification, on request.
Which documents come with nisin?
Every delivery ships with a COA linked to the delivered lot. Origin confirmed in every offer. Sample lot record on request, from the producer. SDS, allergen and other statements on request.
What does the sample spec sheet show?
Limits for assay, loss on drying, arsenic, lead and mercury, taken from EU Regulation 231/2012. Actual values depend on the producer; the producer's specification and the lot COA are available on request.
How do I get a quote?
Send us the grade, quantity and delivery location through the quote form or at [email protected]. We work with vetted producers and give you access to U.S.- and EU-stocked material through our partner network.
Related preservatives
Benzoic AcidCalcium AcetateCalcium PropionateDimethyl Dicarbonate (DMDC)All preservatives
Need nisin?
Send us the grade, quantity and delivery location. Email [email protected] or call +1 (713) 766-6811.