What is E 335?
E 335 is the E number of Sodium tartrates. Sodium salts of tartaric acid, used as acidity regulators.
What is E 335 used for?
E 335 belongs to the group "Other additives" and is used as acidity regulator, sequestrant.
- Acidity regulator: Acidity regulators alter or control the acidity (pH) of a food.
- Sequestrant: Sequestrants bind metal ions and so prevent unwanted reactions.
Which foods may contain E 335?
According to the European Commission's database, E 335 may be used in 2 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:
- Fruit and vegetables
- Foods for specific groups (infants, young children, special medical purposes)
Is E 335 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 335 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 335 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 "Acidity regulator: E 335" or "Acidity regulator: Sodium tartrates".
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)