E334
Tartaric acid
Acid · Antioxidant
What it is
The acid of grapes. Adds sourness and works with raising agents in baking.
What it does
Acid
Increases acidity, adding a sharp taste.
Antioxidant
Slows the reaction with oxygen that turns fats rancid and cut fruit brown.
Regulatory position
European Union
Authorised for use in food
Authorisation in one country says nothing about another, and the absence of a record here is not evidence either way. Where precision matters, follow the citation to the regulation itself.