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