The World Health Organization (WHO) selected the six healthiest foods and the top ten junk foods after three years of research and selection. The healthiest foods selected include six categories: the best vegetables, the best fruits, the best meat, the best cooking oil, the best soup, and the best food for the brain, and the familiar sweet potato is listed as the thirteen best foods. Vegetable champion. Experts said that sweet potatoes are not only nutritionally balanced, but also have little-known effects on preventing sub-health, weight loss, bodybuilding and anti-cancer.
Sweet potato, also known as sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, etc., is an annual plant of Convolvulaceae. It is a healthy food with both medicine and food. Sweet potato contains dietary fiber, carotene, vitamins A, B, C, E and potassium. Sweet potatoes, iron, copper, selenium, calcium and more than ten kinds of trace elements have high nutritional value. They are called the most balanced health food by nutritionists. Many girls who love beauty feel that sweet potatoes are very sweet, and they are afraid that eating too much will make them fat. Professor Zhang Hude of the Health Care Center of Beijing University of Traditional Chinese Medicine said that eating sweet potatoes will not only prevent you from gaining weight, but can also help you lose weight, build body, prevent sub-health, and detoxify. Every 100 grams of fresh sweet potatoes only contains 0.2 grams of fat, which produces 99,000 Calorie energy is about one-third of that of rice. It is a very good low-fat and low-calorie food. At the same time, it can effectively prevent sugar from turning into fat, which is conducive to weight loss and bodybuilding.
Sweet potatoes contain a lot of dietary fiber, which cannot be digested and absorbed in the intestines. It can stimulate the intestines, enhance peristalsis, laxative and detoxify, especially for senile constipation. Zhang Hude especially emphasized that sweet potato is an alkaline food, like many fruits and green vegetables, this is the most rare, general food is acidic, and the pH value of the human body is 7.34, so eating sweet potato is beneficial to the body's acidity. Alkaline balance, while eating sweet potatoes can lower blood cholesterol, prevent sub-health and cardiovascular and cerebrovascular diseases and other "modern diseases".
Professor Lin Hongsheng, director of the Oncology Department of Guang'anmen Hospital of the Academy of Traditional Chinese Medicine and deputy director of the National Cancer Medical Center of Traditional Chinese Medicine, said that sweet potatoes are not only rich in nutrition, but also rank first in the anti-cancer food. There are many introductions to this in the literature. The "Ranking List" of twenty cancer-fighting vegetables released by the National Cancer Research Center of Japan is sweet potato, asparagus, cauliflower, cabbage, broccoli, celery, bell pepper, carrot, broccoli, amaranth, shepherd's purse, kohlrabi, mustard greens, tomatoes, Green onions, garlic, cucumbers, Chinese cabbage, etc., among which sweet potatoes top the list. And Japanese doctors found that the cancer suppression rate of cooked sweet potatoes is higher than that of raw sweet potatoes through a dietary survey of 260,000 people. my country's medical workers once investigated the township of the centenarians in western Guangxi and found that the long-lived elderly here have a common feature, that is, they are used to eating sweet potatoes every day, even using it as a staple food. The anti-cancer mechanism of sweet potato is still not very clear, and there are many theories. U.S. Philadelphia Hospital extracted an active substance from sweet potatoes - castathrosterone, which can effectively inhibit the occurrence of colon cancer and breast cancer; another study by an American university found that there is a kind of sweet potato called dehydroepiandrosterone The substance has a certain effect on the prevention and treatment of cancer. Professor Zhang Hude from the Health Care Department of Beijing University of Traditional Chinese Medicine believes that sweet potatoes have a certain anti-cancer effect, but the "ability" of sweet potatoes to fight cancer should not be exaggerated. , bodybuilding, prevention of sub-health, laxative detoxification, etc.
Regarding the anti-cancer effect, the theory of traditional Chinese medicine believes that it is due to its laxative detoxification, which can reduce the accumulation of garbage and toxins in the human body. In this regard, Professor Song Santai, director of the Cancer Center of the Chinese Academy of Military Medical Sciences and vice chairman of the Army Tumor Professional Committee, also believes that no scientific experiments have been done on the mechanism and reasons of the anti-cancer of sweet potatoes. Theoretically, it is speculated that it is rich in dietary Fiber, laxative, treats constipation, and is good for preventing colon cancer and other cancers. It is also important to eat sweet potatoes correctly. Be sure to steam them thoroughly, because the starch cell membrane in sweet potatoes is not damaged by high temperature and is difficult to digest, and the gasifying enzyme in sweet potatoes is not damaged by high temperature, which will cause discomfort after eating; eating sweet potatoes When excessive or unreasonable, it will cause abdominal distension, heartburn, pantothenic acid, stomach pain, etc., so excessive consumption should not be taken. People with dampness blocking the spleen and stomach, stagnation of qi and food accumulation in the diagnosis of traditional Chinese medicine should eat with caution. According to ancient documents such as "Compendium of Materia Medica" and "Supplements to Compendium of Materia Medica", sweet potatoes have the effects of "tonifying deficiency and exhaustion, strengthening energy, strengthening spleen and stomach, and strengthening kidney yin", making people "longevity and less disease". It can also nourish the middle, harmonize the blood, warm the stomach, fatten the five internal organs, etc. Contemporary "Chinese Materia Medica" said: "Sweet in taste, flat in nature. Returns to the spleen and kidney meridian.", "Replenishes the middle and blood, nourishes qi and promotes body fluid, widens the stomach, relieves constipation. It is mainly used to treat spleen deficiency, edema, sores, swollen toxins, and intestinal dryness. constipate."