Sweet potato has strong health care function

According to ancient documents such as compendium of Materia Medica, sweet potato "can nourish deficiency, Qi, spleen, stomach, kidney and Yin" and "live a long life with few diseases" "Chinese Materia Medica" refers to its "sweet taste, flat nature, spleen and kidney meridian", "invigorating blood circulation, benefiting qi and promoting body fluid, broadening stomach and intestine, and promoting constipation" Sweet potato is one of the 13 best vegetables in the World Health Organization According to modern medicine, the health care function of sweet potato mainly includes the following aspects: according to a research result published last year by the National Cancer Prevention Research Institute of Japan, sweet potato contains a special component, dehydroepiandrosterone, which can delay aging The Nutrition Research Institute of Stanford University in the United States has also confirmed this statement through experiments The mucus protein contained in beauty sweet potato can keep the elasticity of blood vessel wall and prevent the occurrence of atherosclerosis; the chlorogenic acid in sweet potato can inhibit the production of melanin and prevent the occurrence of freckles and senile spots The estrogen in sweet potato can keep the skin delicate, reduce the accumulation of subcutaneous fat, moisten, wrinkle and beautify It helps to lose weight Sweet potato helps to lose weight because the dietary fiber in sweet potato helps to promote the discharge of fat and sugar in food Fat and sugar are the "culprit" of obesity In addition, after eating sweet potato, the eater is not easy to feel hungry, which greatly reduces the number of snacks Sweet potato for prevention and treatment of constipation contains a lot of dietary fiber, which can not be digested and absorbed in the intestine, can stimulate the intestine, enhance peristalsis, defecate and detoxify, especially for the elderly constipation Anti cancer and anti-cancer sweet potato contains not only lysine, which is necessary for human body, but also rich in carotene, which can inhibit the abnormal differentiation of epithelial cells, enhance human immunity, and prevent the combination of carcinogens and proteins in the nucleus In recent years, clinical trials in Philadelphia hospital showed that deandrosterone extracted from sweet potato can effectively inhibit the occurrence of colon cancer and breast cancer Sweet potato has a certain anti diabetes effect A clinical study at the University of Vienna in Austria found that the insulin sensitivity of patients with type II diabetes improved after taking the white skin sweet potato extract, which helps to control blood sugar Although sweet potato is good, it must be eaten scientifically and reasonably in order to give full play to its best health care effect First, the sweet potato must be cooked thoroughly before eating, so as to prevent the starch from being difficult to digest in the gastrointestinal tract; second, because the sugar content of sweet potato is high, it is not suitable to eat too much at one time to prevent abdominal discomfort; third, those with wet spleen and stomach, qi stagnation and food accumulation should be careful to eat sweet potato; finally, sweet potato cannot be the same as persimmon, tomato, white wine, crab and banana to prevent gastrointestinal bleeding Or cause gastric ulcer.