What do Merlot, Tannat, Cabernet Sauvignon have in common? Yes, they are all red grapes. And, yes, they are all are used to make delicious wine. They also are SUPER grapes because they contain polyphenols. Polyphenols are antioxidants. This is why red wine has more polyphenols than white wine because the red wine winemaking process involves more contact with grape skins setting red wine apart from other alcoholic beverages.
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