Article: Red wine, white wine, or grape juice? (The Nutrition Detective).(Brief Article)

Wine contains thousands of polyphenols -- chemicals that protect the heart. It's impossible to know which of these polyphenols has heart-protective activities, but researchers continue to explore this subject. A number of polyphenols probably affect our risk for heart disease through various mechanisms.

In the past, I've told you that red wine appears to have more heart-protective polyphenols than white wine, and that grape juice is a good substitute for people who don't drink alcohol. A recent laboratory study now provides us with new information. Researchers in London tested extracts of 23 red wines, one rose, and four white wines, along with one red grape ...

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