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Gansu potato Fresh potato can be cooked as grain or vegetables. However, it is difficult to transport and store fresh tubers for long time because of their large volume and high water content. The fresh stems and leaves of potatoes can be used as fodder by silage. The content of lyamine in potato is high, and it is easy to be absorbed by human body. The fat content is about one-thousandth. The mineral content is one to two times higher than that of the general cereal crops, especially rich in phosphorus. Potatoes are very rich in vitamin variety and quantity of crops, especially vitamin C, per 100 grams of fresh potato, content up to 20 to 40 mg.

Potatoes are rich in vitamin B1, B2, B6, pantothenic acid and other B vitamins and a large number of high-quality cellulose, but also contains trace elements, amino acids, proteins, fats and high-quality starch and other nutritional elements