Eat sweet potato often in autumn to keep fit, keep healthy and anti-aging

At the end of autumn and the beginning of winter, it is the season of sweet potato harvest Sweet potato fragrance is wafting around the streets Sweet potato has also become a "health care favorite" on the table of citizens this winter, so what are the benefits of eating sweet potato in winter? According to the compendium of Materia Medica and other ancient documents, sweet potato "tonifying deficiency, tonifying Qi, strengthening spleen and stomach, strengthening kidney yin" and "longevity and fewer 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 A study released last year by Japan's National Cancer Prevention Institute showed that sweet potatoes contain 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, Austria, found that patients with type 2 diabetes had improved insulin sensitivity and helped control blood sugar after taking white skin sweet potato extract 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.