Definitions for "Polyphenols"
Compounds derived from phenols and found in wine. They are largely responsible for the wine's aroma, taste and colour.
A group of polymerised organic compounds containing a hydroxyl group bound directly to a carbon atom in a benzene ring. Polyphenols have antioxidant properties, and occur naturally in tea.
A group of organic compounds ( which includes the tannins ) that are found in many foods such as tea, coffee and red wines. They combine with iron and can therefore hinder its absorption.