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E 353Antioxidants & Acidity Regulators

Metatartaric acid

Characteristics

Additive NameMetatartaric acid
E No.E 353
TypeIndividual Substance
In plain language

An acidity regulator used almost exclusively in winemaking. It prevents the formation of tartrate crystals — those harmless but unsightly white deposits that can appear in wine bottles. It's a processed derivative of tartaric acid, which occurs naturally in grapes. Its effect is temporary, breaking down over time, especially in warm storage conditions. Considered safe at the low levels used in wine production.

Conditions of Use

This additive is authorised to be used in the following 1 food category:

14.2.4Fruit wine and made wine
Maximum Level = 100 mg/L
only made wine and wino z soku winogronowego and aromatyzowane wino z soku winogronowego

Source

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E 353 - Metatartaric acid | E-Number Information