What is E 250?
E 250 is the E number of Sodium nitrite. The main curing agent, usually as part of nitrite curing salt. It inhibits certain bacteria and gives sausages and ham their red colour and typical taste.
What is E 250 used for?
E 250 belongs to the group "Other additives" and is used as preservative.
- Preservative: Preservatives prolong shelf life by protecting food against microorganisms.
Which foods may contain E 250?
According to the European Commission's database, E 250 may be used in 6 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:
- Meat
Is E 250 vegan?
Usually yes: the substance is normally made from plant, mineral or synthetic raw materials or with microorganisms. In individual cases, only the manufacturer or a vegan label can give certainty.
Is E 250 linked to genetic engineering?
No typical link to genetic engineering is known for this substance: it is not usually obtained from plants for which GM varieties exist, nor produced by fermentation.
How does E 250 appear on the label?
In the list of ingredients, the substance appears with its function, followed by the E number or the name, for example "Preservative: E 250" or "Preservative: Sodium nitrite".
Sources
- Regulation (EC) No 1333/2008, consolidated version of 18.08.2026, Annexes I and II, EUR-Lex
- Food Additives Database, European Commission (accessed 19 October 2026)