Violet purple potatoes are delicious. Violet purple potatoes have a long fusiform shape, smooth skin, shiny purple-black, dark purple flesh, purple pulp when the potato is broken, delicate texture, good cooked flavor, suitable for steaming and baking. Violet purple potato is rich in protein, starch, pectin, cellulose, amino acids, vitamins and a variety of minerals, but also rich in selenium and anthocyanins. Purple potatoes are rich in nutrients with special health functions, the protein amino acids are very easy to be digested and absorbed by the human body. Which is rich in vitamin A can improve eyesight and skin mucosal epithelial cells, vitamin C can make the normal synthesis of collagen, to prevent the occurrence of scurvy, anthocyanin is a natural scavenger of potent free radicals.