The main functions of purple sweet potato are: anti-fatigue, anti-aging, enriching blood, especially selenium contained in purple sweet potato, and scavenging free radicals that produce cancer in the body. Known as the "king of cancer".
Purple sweet potato is called a superstar, the fire of life and the king of anti-cancer by the world medical community because it contains a lot of anthocyanin selenium. Long-term consumption has the health care functions of improving human immunity, resisting cancer, softening blood vessels, lowering blood pressure, reducing blood fat, supplementing calcium, and keeping fit and beautifying. Purple potato is the champion of "Top Ten Best Vegetables" selected by the World Health Organization. The Japanese call it "the first food against cancer", the Americans list it as "space food", the French call it a well-deserved advanced health food, Taiwan Province province calls it "longevity food", and Hong Kong people call it "the vegetable queen", which has become a favorite new dining table in some developed cities in China.
The slimming effect of purple sweet potato. Recently, medical workers in China conducted a survey on the hometown of centenarians in western Guangxi, and found that all the longevity elders here have a common feature, that is, they are used to eating purple potatoes every day, and even regard them as the staple food. Purple sweet potato is rich in essential nutrients such as starch, vitamins and cellulose, as well as mineral elements such as magnesium, phosphorus and calcium and linoleic acid, which can maintain vascular elasticity and is very effective in preventing and treating habitual constipation in the elderly. Unfortunately, most people think that eating purple potatoes will make people fat and dare not eat them. In fact, on the contrary, purple potato is an ideal diet food, its calorie is only 1/3 of that of rice, and because it is rich in cellulose and pectin, it has the special function of preventing sugar from being converted into fat. Purple sweet potato is not only a healthy food, but also a good medicine for curing diseases. Purple sweet potato has the effects of tonifying deficiency and benefiting qi, strengthening spleen and stomach and strengthening kidney yin. Purple sweet potato not only has special health care function, but also ranks first among the anti-cancer vegetables recently announced by the National Vegetable Cancer Research Center.
Purple sweet potato is rich in cellulose, which can increase the volume of feces, promote gastrointestinal peristalsis, clean up mucus, gas accumulation and corruption in intestinal cavity, discharge toxic substances and carcinogens in feces, keep defecation unobstructed, improve digestive tract environment and prevent gastrointestinal diseases. The effect of purple sweet potato and the function of purple sweet potato, purple sweet potato also contains a lot of mucus substances, which can maintain the elasticity of human cardiovascular wall, prevent atherosclerosis, help maintain the lubrication of respiratory tract, digestive tract and joint cavity, and often eat trace elements necessary for human body, thus playing a supplementary and health care role.
The tender leaves at the tip of purple sweet potato stem are rich in vitamins, protein, trace elements, edible fiber and soluble non-oxidizing substances, which have the functions of weight loss, bodybuilding, fitness and cancer prevention if eaten frequently. Therefore, purple sweet potato has good health care function from tender leaves at the tip of stem to potato pieces, and it is the first health care food among pollution-free, green and organic foods at present.