Catechins are colorless phenolic compounds belonging to the group of flavan-3-oils or flavanols, which are present in numerous woody plants including the grapes.
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Determination of the Catechins in wine
Catechins are colorless phenolic compounds belonging to the group of flavan-3-oils or flavanols, which are present in numerous woody plants including the grapes. In particular the catechins are present in the skin of the grapes. These compounds are responsible of the taste and other properties, including color.
The color of white wines, in fact, depends on the oxidation state of the phenolic compounds contained.
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