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Purple sweet potato is also called black potato , potato flesh is purple to deep purple . Purple Sweet Potato has not only the common sweet potato nutrition composition , also has a special health care function .
It includes the rich protein , 18 kinds of susceptible to human digestion and absorption of the amino acid , vitamin C , B , A and other 8 kinds of vitamins and phosphorus , iron and other 10 kinds of natural minerals .
Which iron and selenium content of the rich . While selenium and iron is an anti-fatigue , anti-aging , the blood of the necessary elements , especially selenium is called " anticancer king" , easy be absorbed by human body ,
Can stay in the serum, repair of myocardial , enhance immunity , remove free radical in human body , inhibit cancer cell DNA synthesis and cell division and growth of gastric cancer , liver cancer and other cancer , prevent occurrence .
Purple yam is rich in cellulose, can increase fecal bulk , promote gastrointestinal motility , intestinal cavity retention of mucus , clean air accumulation and putrefaction , excreted in the feces of the toxicants and carcinogens ,
Maintain defecate unobstructed , improving gastrointestinal tract environment, prevent gastrointestinal diseases