It has white flesh and contains less water. Common white heart sweet potato varieties mainly include glutinous sweet potato, which is distributed in Hunan, Hubei, Shandong and Sichuan. White heart sweet potato is rich in β-carotene, folic acid, vitamin C and vitamin B6 and other nutrients, which have the effect of preventing influenza, cardiovascular disease, laxative and detoxification.
People who are suitable for eating white sweet potatoes include dieters, because white sweet potatoes have low fat content; and diabetic patients should avoid excessive consumption of white sweet potatoes, because it contains more sugar may have a negative impact on health.