Citric Acid in Wine

Definition - What does Citric Acid in Wine mean?

Citric acid is a weak organic acid commonly found in citrus fruits. In the context of wine, it is one of the several acids present in grapes and, consequently, in wine. It is less prevalent in grapes compared to malic and tartaric acids but plays a significant role in the wine's acid profile. In winemaking, citric acid can be naturally occurring or added during the winemaking process to adjust acidity and flavor.

WhineFrog explains Citric Acid in Wine

Citric acid in wine, a naturally occurring organic acid commonly associated with citrus fruits, plays an integral role in the winemaking process and the resulting flavor profile of the wine. Though less abundant in grapes compared to other acids like malic and tartaric acid, citric acid contributes significantly to the wine's overall acidity, which is crucial for both the taste and preservation of the wine. It imparts a refreshing, tart character, particularly noticeable in white wines, enhancing their crisp and citrusy notes. Additionally, citric acid serves as a vital preservative, maintaining the wine's quality by inhibiting bacterial growth. Winemakers sometimes adjust a wine's acidity by adding citric acid, especially in regions where grapes naturally lack sufficient acidity. This practice, however, is carefully regulated, as excessive citric acid can unbalance the wine's flavor or foster undesirable bacterial growth. The subtle yet essential role of citric acid in winemaking underscores the delicate balance of components that contribute to the complexity and enjoyment of wine, highlighting the meticulous craftsmanship in each bottle.