Castavinol

Castavinols are natural phenolic compounds found in red wines.^[1] These molecules are colorless and are derived from anthocyanin pigments. Thus their formation leads to a wine color loss.

Chemical structure of castavinols, where R = H, OH, or OCH₃

Known molecules

• Castavinol C1
• Castavinol C2
• Castavinol C3
• Castavinol C4