The potato contains vitamins and minerals, as well as an assortment of phytochemicals, such as carotenoids and natural phenols.
Chlorogenic acid constitutes up to 90% of the potato tuber natural phenols.The potato is best known for its carbohydrate content (approximately 26 grams in a medium potato).
Potatoes are one of the finest sources of starch, vitamins, minerals and dietary fiber. 100 g provides 70 calories, however,
they contain very little fat (just 0.1 g per100 g) and no cholesterol.
They are very good natural sources of both soluble and insoluble fiber.
Fresh potato along with its skin is one of a good source of antioxidant vitamin, vitamin-C. 100 g of fresh tuber provides 11.4 mg or 20% of daily required levels of this vitamin.
They also contain adequate amounts of many essential minerals like Iron, manganese, magnesium, phosphorous, copper and potassium.