Main value
Potatoes contain a lot of starch, which is the main energy source for eating potatoes. Generally, early-maturing potatoes contain starch 1 1- 14%, middle and late-maturing potatoes contain starch 14-20%, and the tuber of high-starch varieties can reach more than 25%, and it also contains glucose, fructose and sucrose.
Protein content of potato is very high, and its stem contains about 2% protein, which is equivalent to protein of eggs in quality, easy to digest and absorb, and superior to protein of other crops. Moreover, the protein of potato contains 18 kinds of amino acids, including various essential amino acids that cannot be synthesized by human body.
Potato tuber contains a variety of vitamins and inorganic salts, including vitamin C, which can prevent scurvy and stimulate hematopoietic function. Vitamin A, vitamin B 1, vitamin B2, vitamin pp, vitamin E, vitamin B3, vitamin B6, vitamin M and biotin H are all beneficial to human health.
Potato tuber is rich in dietary fiber and potassium salt, which belongs to alkaline food. The data show that its content is as high as that of apples. So the gastrointestinal tract absorbs potatoes slowly. After eating potatoes, you stay in the intestines for much longer than rice, so you are fuller, and you can also help take away some oil and garbage, which has a certain laxative and detoxification effect.