Glossary

Sulfites

/SUL-fyts/

Sulfur compounds used to preserve wine.

Winemaking

Full Definition

Sulfites (sulfur dioxide, SO2) are added to wine as antioxidant and antimicrobial preservatives. All wine contains some natural sulfites from fermentation. Added sulfites prevent oxidation and spoilage. 'Contains Sulfites' labeling is required above 10 ppm. Sweet wines need more SO2; reds need less than whites. Some people are sensitive.

Related Terms

so2preservativeantioxidant

See Also

natural wineoxidation
SucculentBack to GlossarySuper Tuscan

Reference

More terms starting with S

Saignee

Bleeding off juice from red wine tanks to make rose.

Sangiovese

Italy's most planted red grape, the base of Chianti.

Savory

Non-fruit flavors like herbs, earth, and umami.

Screwcap

Metal closure alternative to cork.

Secondary Aromas

Aromas from fermentation and winemaking.

Sediment

Solid particles that settle in wine over time.