2, cold potatoes are rich in dietary fiber, which helps to relieve constipation.
3. Collagen and mucopolysaccharide in sweet potato can prevent arteriosclerosis, maintain vascular elasticity and eliminate excess cholesterol.
4. The content of vitamin C in cold potato is high, and it is not easy to lose. Eating about 200 grams of cold potatoes can provide a day's needs.
5. Sweet potato is rich in mucin, which can prevent arteriosclerosis, lower blood pressure, resist aging and improve immunity.