Purple power — Purple cauliflower is not dyed: its vibrant hue occurs naturally due to the presence of anthocyanins. CNN Purple power — While it tastes the same as the white and green varieties, purple asparagus is rich in antioxidants. CNN Purple power — Rich in iron and vitamin E, back rice contains more antioxidants than blueberries. CNN Purple power — Plums are not only a good source of antioxidants -- they are known for their laxative properties, too. PAUL J. RICHARDS/AFP/AFP/Getty Images Purple power — Eggplant owes its vibrant skin color to the presence of anthocyanin. Getty Images Purple power — Hailed as a superfood, blueberries are packed with antioxidants and phytoflavinoids, and are also high in potassium and vitamin C. MICHAEL URBAN/DDP/AFP/Getty Images Purple power — Syrah grapes get their vibrant color from anthocyanins. MARTIN BERNETTI/AFP/AFP/Getty Images Purple power — The purple flesh of the taro root is also rich in antioxidants. CNN Prev Next
