Sweet Potatoes :

Sweet potato is a nutritious and rich natural nourishing food, rich in protein, fat, polysaccharide, phosphorus, calcium, potassium, carotene, vitamin A, vitamin C, vitamin E, vitamin B1, vitamin B2 and 8 amino acids. According to the scientists, the protein content of more than 7 times the rice; carotene content is 3.5 times the carrot; vitamin A is 100 times the potato; sugar, calcium and vitamin B1, vitamin B2 content are higher than rice and flour. Each edible part of 100 grams of fresh potato meat containing carbohydrates 29.5g, fat 0.2g, phosphorus 20g, calcium 18g, iron 0.4g. These substances play an important role in promoting human brain cells and secreting hormone activity, enhancing human resistance to disease, improving immune function, delaying mental retardation and aging. Japan's Ministry of Health has classified it as an important food for diet.