The mitochondria from wine-drinking rodents looked to be in better shape and fewer of their cardiac cells entered apoptosis. This was the case for rats that got polyphenols too including resveratrol from red wine, and hydroxytyrosol and tyrosol from whites.
"A look at the structure of the three chemicals' offers one possible reason why. While not identical, the trio have enough similarities that they could activate some of the same cellular reactions," Das said.