The cellulose content of purple sweet potato is much higher than that of ordinary green vegetables. Cellulose can increase the volume of feces, promote gastrointestinal peristalsis, clean up the accumulation and corruption of mucus and gas in intestinal cavity, discharge toxic substances and carcinogens in feces, keep defecation unobstructed, improve the digestive tract environment and prevent gastrointestinal diseases.
Purple potato is also rich in trace elements such as zinc, iron, copper, manganese, calcium and selenium. Among them, selenium is the "king of anti-cancer", which is easily absorbed by the human body, effectively staying in the serum, repairing the myocardium and enhancing the body's immunity.