It is rich in nutrition. Each kilogram of sweet potato contains 256 grams of sugar, protein 15 grams, calcium 156 mg, phosphorus 174 mg, and various vitamins, especially carotene, making it the best among cereals and vegetables.
Contains mucins with special functions. This mucin not only can maintain the elasticity of human cardiovascular wall, prevent arteriosclerosis, reduce subcutaneous fat, prevent connective tissue atrophy of liver and kidney, and prevent collagenosis, but also has a good lubricating effect on respiratory tract, digestive tract, joint cavity and serous cavity.
Rich in dietary fiber, colloid and other defecation substances, it can be described as "intestinal scavenger".
It is a kind of physiological alkaline food, which can neutralize the acidic substances produced by meat, eggs, rice and flour, adjust the acid-base balance of human body, and has positive significance for maintaining human health.
Extended data:
Sweet potato (English: sweet potato), scientific name: sweet potato (sweet potato? Batata? Lin. ) Also known as sweet potato, sweet potato, sweet potato, sweet potato, sweet potato (North), sweet potato (multiple dialects), sweet potato, sweet potato, sweet potato, Zhu potato, pillow potato, Pange, sweet potato, fennel sweet potato and red skin.
Sweet potato is rich in protein, starch, pectin, cellulose, amino acids, vitamins and various minerals, and has the reputation of "longevity food". The sugar content reached 15%-20%. Has anticancer, heart protecting, emphysema and diabetes preventing, and weight reducing effects. Li Shizhen's Compendium of Materia Medica in Ming Dynasty recorded that "sweet potato can tonify deficiency, strengthen spleen and stimulate appetite, and strengthen kidney yin", and said that people in the sea can eat for a long time. Chinese medicine regards sweet potato as a good medicine.
References:
Sweet potato-Baidu encyclopedia