Do purple sweet potatoes have special nutritional properties?

In addition to carotenoid phytonutrients, purple sweet potatoes contain a wealth of antioxidant anthocyanin pigments. Cyanidins and peonidins are concentrated in the starchy core of part of purple-fleshed sweet potatoes, and these antioxidant ...

from The World's Healthiest Foods http://ift.tt/2AhYpNN