Purple Potato or Violet potato is a type of potato. Its peculiar purple color makes it very appetizing on dishes. It is a little more expensive than normal potato because it is not cultivated as much as normal potato. Now you can find it in supermarkets with reasonable prices, but before you could only buy it in Gourmet stores and it was expensive. Purple Potato has more benefits than normal potato, because it has a lot of antioxidants. Due to high content of anthocyanins that it has which is responsible for giving it , its particular purple color, just like purple cabbage.