1, Stable blood pressure

Increased the potassium intake is essential for lowering blood pressure. According to the USA national health and nutrition survey, less than 2% of the America adults reached the potassium intake standard of 4700 mg daily. A medium size sweet potato can provide about 542 milligrams of potassium element.

2, Prevent constipation, help digestion

As the sweetpotato is rich in dietary fiber, which can promote gastrointestinal function to maintain the health and regularity to prevent constipation, reduce the incidence of colorectal cancer.

3, Improve fertility

Harvard Medical School published the “Harvard Medical Information” pointed out that the sweet potato contains the plant iron elements, which can improve the childbearing women fertility.

4, Enhance immunity

Sweet potato contains a lot of vitamin C and beta carotene, and thus great combination of nutrition elements can improve immune function.

5, Reduce inflammation

Choline is a kind of important nutrient in sweet potato, and it is conducive to the absorption of fat, reduce chronic inflammation.

6, The protection of eyesight

Dr. Jill Currie of the Duke University Department of Ophthalmology experts think that the sweet potato contains antioxidants (such as vitamin C and vitamin E) can promote eye health, preventing degenerative damage.

In the purchase of sweet potato, you need to avoid buying soft skin, sweet or wrinkles ones. And the longest storage time is only 3~5 weeks in a cool and dry place.