Additive guide

E251 Sodium nitratewhat it means on a food label

Converts to nitrite during curing, with the same nitrosamine concern. Berry Pure flags additives like this during a scan so you can decide faster at the shelf.

Berry Pure verdict

Best avoided

E251 is on Berry Pure's best-avoided list because the evidence record includes a ban, warning-label requirement, regulatory action, or a consistent health concern. The practical move is simple: if you see E251 or Sodium nitrate on a food you buy often, scan the label and look for a cleaner swap.

Usually found in

Cured meats, some cheeses

If these are regular buys in your kitchen, scan a few brands side by side. Additive use can vary a lot between similar products.

Additive family

Preservative

Stop mould, bacteria and spoilage.

How to spot it on a label

Manufacturers may use the E-number code, the full additive name, or a common alternative name. These are the label terms to check:

  • E251
  • Sodium nitrate

Related additives

Same family, similar label context, or the same Berry Pure verdict.

E249Potassium nitriteE250Sodium nitriteE252Potassium nitrate

Frequently askedquestions

Everything you need to know about scanning your food with Berry Pure.

What is E251 Sodium nitrate?

E251 is Sodium nitrate, a preservative used in foods such as cured meats, some cheeses. Converts to nitrite during curing, with the same nitrosamine concern.

Is E251 bad for you?

E251 is on Berry Pure's best-avoided list because the evidence record includes a ban, warning-label requirement, regulatory action, or a consistent health concern. The practical move is simple: if you see E251 or Sodium nitrate on a food you buy often, scan the label and look for a cleaner swap.

How do I spot E251 on a label?

Look for these label names: E251, Sodium nitrate. Some products spell out the additive name instead of using the E-number code.

Can Berry Pure flag E251?

Yes. Berry Pure scans ingredient labels with your camera and flags additives like E251 so you do not have to memorize code numbers while shopping.

Sources

The claims on this page are based on these publications.

  1. EFSAFood additives: how additives are evaluated and approved in the EU
  2. WHO/IARCCarcinogenicity of the consumption of red meat and processed meat
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