What is Acidity?

Acidity is one of the most important characteristics of wine and plays a crucial role in balancing the flavors and overall structure of the wine. Acidity gives a wine its crisp, refreshing quality, and helps to preserve it over time.

Acidity in wine comes primarily from two sources: the grapes themselves, and the winemaking process. Grapes naturally contain tartaric acid, which gives a wine its crispness and freshness. During the winemaking process, other acids can be introduced, such as malic and lactic acid.

The level of acidity in wine is measured using the pH scale, with a lower pH indicating a higher level of acidity. Most wines fall within a pH range of 2.8 to 4.0, with a pH of 3.0 to 3.4 being desirable for white wines, and a pH of 3.3 to 3.6 desirable for red wines

High-acid wines are often described as "crisp" or "tangy," and are often associated with refreshing white wines such as Sauvignon Blanc or Riesling. These wines are often enjoyed as aperitifs, or as a complement to the light, flavorful dishes.

On the other hand, low-acid wines are often described as "smooth" or "round," and are often associated with rich, full-bodied red wines such as Cabernet Sauvignon or Merlot. These wines are often enjoyed with richer, heavier dishes.

In addition to balancing the flavors and structure of the wine, acidity also plays a key role in the aging potential of the wine. Wines with higher acidity tend to have longer aging potential, as the acid helps to preserve the wine over time.

In conclusion, acidity is a fundamental characteristic of wine and plays a crucial role in balancing the flavors and overall structure of the wine. Whether you prefer crisp, high-acid wines or smooth, low-acid wines, understanding acidity is key to appreciating and enjoying wine.

Article Written by: Austin Texas Wine Society