GLOSSARY TERM

Sulfites

Winemaking

Sulfur dioxide compounds used as a preservative in wine to maintain freshness and provide antibacterial and antioxidant protection. Sulfites also occur naturally in small amounts as a byproduct of fermentation. Wines labeled contains sulfites in the United States contain more than 10 parts per million of detectable sulfur dioxide.

REFERENCE NOTE

This definition is written as an educational overview based on owner-provided first-party material. It is not copied from third-party glossaries or commercial wine education sites.