Generally, the calorie of sweet potato flour is 106 calories/100g, and the calorie of noodles is 283 calories/100g, because 283 calories is more than 106 calories, so the calorie of noodles is higher than the calorie of sweet potato flour.

In addition, sweet potato flour contains a variety of nutrients that the human body needs. Containing 11.5 grams of protein, 14.5 grams of sugar, 1 gram of fat, phosphorus 100 milligrams, 90 milligrams of calcium, 2 grams of iron, 0.5 milligrams of carotene, and contains vitamin B1, B2, C and niacin, linoleic acid. The content of vitamin B1 and B2 is 6 times higher than that of rice and 3 times. Especially sweet potatoes are rich in lysine, while rice, flour is precisely the lack of lysine.