Soak in warm water for a while, and then wash with detergent. After that, the baked sweet potato should be wrapped in tin foil before baking. Sweet potato contains many vitamins, including vitamin B10.12mg, vitamin B 20.04mg, vitamin C 30mg, calcium18mg, phosphorus 20mg, iron 0.4mg, nicotinic acid 0.5mg and crude fiber 0.5g.:

Carbohydrate 29. 5g, protein 1.8g, carotene 1.3 1mg. Has the functions of harmonizing middle energizer, promoting diuresis and invigorating spleen. Traditional Chinese medicine believes that sweet potato is a kind of diet food for promoting diuresis and strengthening the spleen.

Extended Data Sweet potato contains protein, fat, dietary fiber, carotene, nicotinic acid, vitamins A, B, C, E, and potassium, iron, copper, selenium, calcium and other trace elements 10, so it has high nutritional value. Moreover, every100g of fresh sweet potato contains only 0.2g of fat, which generates 99 kcal of heat energy, which is 1/4 and 1/3 of that of rice respectively. It is a good low-fat and low-calorie food.

In addition, a large amount of dietary fiber contained in this product cannot be digested and absorbed in the intestine. Therefore, it can not only stimulate the intestine, enhance peristalsis and promote the excretion of stool, but also has a good effect on senile constipation. At the same time, it can effectively prevent sugar from transforming into fat, which is conducive to slimming.

Baidu encyclopedia-roasted sweet potato