Food-Info.net> E-numbers > E300-400
E334 Tartaric acid
Natural acid, present in many fruits, especially grapes. Commercially prepared from waste products of the wine industry (grape skins).
Function & characteristics:
Acidity regulator and taste enhancer of fruits and fruity flavours, as well as stabiliser of colour in fruits and fruit products.
Many products, mainly confectionery, soft drinks, wine, and marmalade.
Acceptable Daily Intake:
Up to 30 mg/kg body weight.
It is not metabolised in the body; thus, it is excreted in the urine without side effects.
Tartaric acid and tartarates can normally be consumed by all religious groups, vegans and vegetarians.