The practice of cold potato shreds
Peel the potatoes and wash them; Rub it into shredded potatoes. Chop the washed onion, coriander and put them in a plate for later use.
2. Soak the shredded potatoes in cold water for ten minutes to remove excess starch.
3. Bring the boiled water to a high fire, then put the shredded potatoes in the pot until they are cut off. Take them out and drain them with cold water for later use.
4. Mix and stir the prepared auxiliary materials: salt, onion, sesame oil, vinegar, soy sauce, chopped green onion and coriander, and make the delicious cold potato shreds.
Generally, fresh potatoes contain starch 9-20%, protein1.5-2.3%, fat 0.1~1%and crude fiber 0.6-0.8%. The nutrients contained in 100g potato are: energy 318kJ, calcium 5-8mg, phosphorus 0/5-40mg, iron 0.4mg～0.8mg, potassium 200~340mg and iodine 0.8-1.2.
Potato tuber contains a lot of starch. Starch is the main energy source of edible potato. -Generally, the early-maturing potato contains11%~14% starch, the middle-late maturing potato contains14% ~ 20% starch, and the tuber of high-starch variety can reach more than 25%. Tubers also contain glucose, fructose and sucrose.
Potato protein has high nutritional value. Potato tuber contains about 2% protein, and the content of protein in dried potato is 8% ~ 9%. According to the research, the protein nutritional value of potato is very high, its quality is equivalent to the protein of eggs, and it is easy to digest and absorb, which is superior to protein of other crops. Moreover, the protein of potato contains 18 kinds of amino acids, including various essential amino acids that the human body cannot synthesize.
Potato tuber contains many vitamins and inorganic salts. Eating potatoes is good for health and the role of vitamins is inseparable. In particular, vitamin C can prevent scurvy and stimulate hematopoietic function, which is not found in rice and white flour eaten daily, while potatoes can provide a lot of vitamin C. Tubers also contain vitamin A (carotene), vitamin B 1, (thiamine), vitamin B2 (riboflavin), vitamin pp (nicotinic acid), vitamin E (tocopherol), vitamin B3 (pantothenic acid), vitamin B6 (pyridoxine), vitamin M (folic acid) and biotin H, which are beneficial to human health. In addition, inorganic salts in tubers, such as calcium, phosphorus, iron, potassium, sodium, zinc and manganese, are also indispensable elements for human health and children's development.
reference data
Potato (Potato) _ Baidu Encyclopedia