Your contributions are so much appreciated. They are essential in maintaining health and preventing heart disease, cancer, etc. Quercetin, an antioxidant, is present in abundance in onions. Lycopene is a strong antioxidant found in tomatoes and watermelon. High blood levels of this phytochemical are said to reduce the incidence of prostate cancer, pancretic cancer and age related mental impairment.
Flavonoids are antioxidants found in red grapes, red wine, peanuts and citrus fruit.
Flavonoids are believed to decrease the incidence of heart attacks and to destroy circulating free oxygen radicals which are known to injure normal cells and may be the inciting cause of cancerous grouths.