What is E 281?
E 281 is the E number of Sodium propionate. Sodium salt of propionic acid. It protects bread and baked goods against mould.
What is E 281 used for?
E 281 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 281?
According to the European Commission's database, E 281 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:
- Dairy products and analogues
- Bakery wares
- Desserts
Is E 281 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 281 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 281 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 281" or "Preservative: Sodium propionate".
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)