14. Purple Corn (Bolivia, Ecuador, Peru)
A variety of Zea mays, is a corn grown in the Andes region of South America. It is common in Bolivia, Ecuador, Peru. The kernels of Purple Corn have long been used by the people of the Andes to color foods and beverages, a practice just beginning to become popularized in the industrialized world. Besides its use as food and dye, purple corn is thought to have many health benefits.