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

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.

Known molecules

References

  1. ^ Castagnino, Chantal; Vercauteren, Joseph (1996). "Castavinol, a new series of polyphenols from Bordeaux red wines". Tetrahedron Letters. 37 (43): 7739–7742. doi:10.1016/0040-4039(96)01761-3.
Allikas: https://en.wikipedia.org/wiki/Castavinol
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