What is E234?
Nisin (E234) is a peptide preservative used in specified foods. Goodnessly rates E234 Safe within its rating system, while food-category and use conditions still apply.
E234 is nisin, a preservative used in selected foods to help manage unwanted microbial growth where its use is authorised.
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What is Nisin?
Nisin is a peptide produced by certain bacterial cultures. It is used for its antimicrobial function in selected food systems under defined conditions.
What's it used for?
- Supporting preservation
- Helping manage microbial stability
- Working in selected dairy and processed foods
- Supporting shelf-life controls
Where you'll find E234 on the shelf
It is most relevant to selected dairy foods, processed foods and other formulations with a defined preservation need.
Is E234 permitted? What the regulators say
E234 is permitted or authorised in the three systems checked, with food category, specification and use-level conditions applying.
| Region | Status | What this means |
|---|---|---|
| AU/NZ Australia & New Zealand (FSANZ) | Permitted with conditions | FSANZ lists nisin as additive 234; Schedule 15 food-category permissions and conditions apply. |
| EU European Union (EFSA) | Authorised with conditions | The EU Union list includes E234 nisin for specified categories and conditions. |
| US United States (FDA) | Affirmed GRAS for specified use | FDA 21 CFR 184.1538 covers nisin preparation for specified pasteurised cheese spreads and related cheese spreads, at the prescribed good manufacturing practice level. |
Goodnessly rates E234 Safe within its rating system. The rating does not remove the need to consider the product category, amount or full formulation.
- FSANZ Food Standards Code, August 2026 compilation, Schedule 15 and additive 234
- EUR-Lex Regulation (EC) No 1333/2008 Union list and Regulation (EU) No 231/2012
- FDA 21 CFR 184.1538
This section is checked periodically rather than continuously — if you're reading this well after the date above, it's worth confirming nothing has changed before citing it.
Who might want to limit or avoid it
- People who want to understand preservation systems
- People comparing processed dairy foods
- People checking preservatives alongside the full ingredient list
Goodnessly rates E234 Safe as a practical prompt to understand the ingredient, the product and the overall formulation.
How to spot it on a label
Look for:
- Nisin
- 234 or E234
- Preservative (234)
- Nisin preparation
Look for nisin, nisin preparation, E234/234 or the preservative class followed by the number.
Related additives
Frequently asked questions
What is E234?
E234 is nisin, a peptide preservative used in selected food applications.
Is E234 permitted?
E234 is permitted with conditions in Australia/New Zealand, the EU and the US. The food category and use level still matter.
Why is nisin rated Safe?
Goodnessly rates E234 Safe within its rating system, while the regulatory category and use conditions still matter.
How does Goodnessly rate E234?
Goodnessly rates E234 (nisin) as Safe.
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