Grapes also contain quercetin, anthocyanin, and catechin antioxidants — all of which may have cancer-fighting effects. Additionally, a 2-week study published in 2015 in 30 people found that ...

Grapes possess a storehouse of antioxidant polyphenols, particularly their flavonoids: catechins, epicatechins, quercetins, resveratrol, and anthocyanins. In the same way, red wine can help due to ...

The antioxidants in grapes, particularly resveratrol, catechins, and anthocyanins, have been shown to protect the heart by reducing oxidative stress and inflammation. Research indicates that ...