Power Ingredients for Smarter Salads
View Recipe: Summer's Best Garden Salad (pictured)
Onions are plentiful sources of disease-fighting phenols and flavonoids, both potential cancer fighters and weapons against some chronic diseases. The richer its phenolic and flavonoid content, the better an onion's protective effect, according to Rui Hai Liu, MD, PhD, an associate professor of food science at Cornell University.
Liquid vegetable oils are rich in vitamin E and unsaturated fats (monounsaturated and polyunsaturated), which don't clog arteries. Olive oil is particularly rich in phenol antioxidants.