The medicinal value of yams

Also known as groundnuts, sweet potatoes, white potatoes, sweet potatoes, sweet potatoes, sweet potatoes, sweet potatoes, etc., for the family of convolvulaceae annual plants, is a kind of medicine and food health food. Sweet potato contains dietary fiber, carotene, vitamins A, B, C, E, and potassium, iron, copper, selenium, calcium and other more than 10 kinds of trace elements, high nutritional value, by nutritionists called the most balanced nutritional health food. Many girls who love beauty feel sweet potato is very sweet, afraid to eat more will get fat. Beijing University of Chinese Medicine health room Professor Zhang Hude introduction, eat sweet potato not only will not get fat, on the contrary, can lose weight, bodybuilding, to prevent sub-health, laxative detoxification. Every 100 grams of fresh sweet potatoes contain only 0.2 grams of fat, producing 99 kilocalories of calories, probably for rice 1 / 3, is a very good low-fat, low-calorie food, but also can effectively prevent sugar into fat, conducive to weight loss, bodybuilding. Sweet potato contains a lot of dietary fiber, in the intestinal tract can not be digested and absorbed, can stimulate the intestinal tract, enhance peristalsis, laxative detoxification, especially for senile constipation has a better effect.

Professor Zhang especially emphasized that sweet potato is alkaline food, and many fruits and green vegetables, which is the most rare. And the general food is acidic, such as grain, chicken, duck, fish and meat, etc., and the human body's PH value of 7.34, so eating sweet potatoes is conducive to the body's acid-base balance. At the same time eat sweet potato can reduce blood cholesterol, prevent sub-health and cardiovascular disease and other "modern diseases".

Professor Lin Hongsheng, director of oncology department of Guang'anmen Hospital of China Academy of Traditional Chinese Medicine and deputy director of National TCM Tumor Medical Center, told reporters that sweet potato is not only rich in nutrients but also in the first place of anti-cancer food. There are many introductions in the literature on this. Japan's National Cancer Research Center announced 20 kinds of anti-cancer vegetables "list" for: sweet potatoes, asparagus, cauliflower, cabbage, broccoli, celery, bell peppers, carrots, cauliflower, amaranth, capers, Brassica oleracea, mustard greens, tomatoes, green onions, garlic, zucchini, Chinese cabbage, etc., of which sweet potatoes topped the list. And Japanese doctors through the 26 million people's dietary survey found that cooked sweet potato cancer rate is higher than raw sweet potato. China's medical workers have been on the western Guangxi centenarian township survey found that the longevity of the elderly here have a **** the same characteristics, is used to daily food sweet potato, and even as a staple food. About sweet potato anti-cancer mechanism, is not very clear, there are many kinds of claims. If there are reports that the United States hospital in Philadelphia from the sweet potato extracted an active substance - deandrosterone, it can effectively inhibit the occurrence of colon cancer and breast cancer. There is also a U.S. university research found that sweet potatoes have - a kind of substance called dehydroepiandrosterone, on the prevention and treatment of cancer has a certain effect. Beijing University of Chinese Medicine health room Professor Zhang Hude that sweet potatoes have a certain anti-cancer effect, but the sweet potato anti-cancer "ability" can not be exaggerated, to discriminate, because its mechanism is not yet completely clear, the greatest efficacy of sweet potatoes should also be placed on weight loss, bodybuilding, prevention of sub-health, laxative detoxification and other aspects. On the anti-cancer effect, Chinese medicine theory that is due to its laxative detoxification, can play a role in reducing the human body garbage, toxin accumulation. In this regard, the Chinese Academy of Military Medical Sciences oncology center, director of the Army Tumor Professional Committee, deputy director of Professor Song Santai also believes that the mechanism and cause of sweet potato anti-cancer has not been done scientific experiments, theoretically, it is rich in dietary fiber, laxative, treatment of constipation, the prevention of colon cancer and other cancers are beneficial.

Correctly eating sweet potatoes also have to pay attention to, one is to pay attention to must be steamed and cooked through. Because the cell membrane of the starch in the sweet potato is not destroyed by high temperature, it is difficult to digest. Furthermore, the gasification enzyme in sweet potatoes is not destroyed by high temperature, which will produce discomfort after eating. Secondly, it should be noted that when consuming sweet potatoes in excess or irrationally, it will cause abdominal distension, heartburn, acidity, stomach pain, and so on. So consumption should not be excessive, Chinese medicine diagnosis of damp obstruction of the spleen and stomach, stagnation of qi and food accumulation should be cautious of eating.

The shortcomings of sweet potatoes, is the lack of protein and lipids, but today people live in affluence, has no longer sweet potatoes as a staple food, it is missing nutrients can be supplemented by other meals. For example, the milk and sweet potatoes at the same time, because milk is rich in protein and fat components.

Small information Sweet potatoes in medicine

According to the Compendium of Materia Medica, Gleanings from the Compendium of Materia Medica, and other ancient documents, sweet potatoes have the effect of "replenishing the deficiency and lack of energy, benefiting qi, strengthening the spleen and stomach, and strengthening the kidney and yin" to make people "live longer and have fewer illnesses". It can also tonify the middle, harmonize blood, warm the stomach, and fatten the five organs. Contemporary "Chinese Materia Medica" said it: "Sweet flavor, flat nature. Attributes to the spleen and kidney meridians." "Nourishes the middle and harmonizes the blood, benefits the qi and promotes the production of fluids, broadens the intestines and stomach, and relieves constipation. Mainly treats spleen deficiency and edema, sores and swollen poisons, intestinal dryness and constipation."

A little history of sweet potatoes

Sweet potatoes are native to the Americas, and the first sweet potatoes in Europe were brought back by Columbus in 1492, then introduced to Africa by the Portuguese, and to Asia by the Pacific Islands. Sweet potatoes were first introduced to China during the Wanli period of the Ming Dynasty, when Chen Zhenlong, an overseas Chinese from Fujian Province, often went to Luzon (now the Philippines) to do business, and found that Luzon produced the highest yield of sweet potatoes, so he patiently learned the cultivation method from local farmers. The sweet potato was then popularized by the Chen family and planted throughout the country.

Scientific eating method of sweet potato

1, sweet potato should not eat too much at one time, can be eaten with some cabbage, radish.

2, when steaming sweet potatoes, put some alkali in the water, or put it in salt water to soak for 10 minutes before steaming. Steaming time should be more than 20 minutes, or with rice, noodles, beans and other foods with cooking, in order to reduce oxidative enzymes. This will not cause bloating.

3, sweet potatoes should not be a staple single food, you can rice, steamed bread as the main food, supplemented by sweet potatoes. This not only modulates the taste, but also does not produce side effects on the stomach and intestines.

4, if a single consumption of sweet potato, you can eat some salted vegetables or salted vegetable soup. In this way, you can reduce stomach acid, reduce and eliminate gastrointestinal discomfort.

5, sweet potatoes and persimmons should not be eaten at the same time, so as not to cause gastro-persimmon stones. Because the sugar in the sweet potato fermentation in the stomach, will make the stomach acid secretion increase, secret persimmon in the tannin, pectin reaction will occur precipitation cohesion, resulting in hard lumps, severe gastrointestinal bleeding or cause gastric ulcers.

Sweet potato is not everyone loves to eat, the market prospects in general. Sweet potato practices are: baked sweet potatoes, steamed sweet potatoes, boiled sweet potatoes, fried sweet potatoes sticky, fried sweet potato fries, fried sweet potato slices, fried sweet potato meatballs, fried sweet potato cakes, cooked and sun-dried sweet potato fries, honey sweet potatoes, honey sweet potatoes and so on.

Baked sweet potatoes, in the cold winter in the north, eat so a ...... enjoy heh, and fragrant and sweet.

Plucked groundnut: to eat now to do oh! It will be fun.

Sweet potatoes cut into julienne, with a little sugar can also be, in the oil fried into a golden brown is also very good, mixed with gazpacho when you can also put some.

There are also dried groundnuts and groundnut porridge.

But I heard the old man say that eating too much sweet potato will be poisoned, we are not afraid! Eating radish can be detoxified.

There is a local practice in Fuqing area.... The flavor is very good... The name is called the king of the groundnut

Sweet potato is the first of the top ten grains, its nutritional value of nature do not need to how to say can be known, a lot of people are quite like it ah, and there can be a variety of ways to do it, if the practice can be more special, that is to say that you can add a little bit of ingredients, it must be even more delicious

Sautéed Sweet Potato Milkmelon

Working materials: sweet potato

Accessories: sweet potato

Working materials: sweet potato

Accessories: sweet potato

Accessories: milk melon, coriander leaves

Seasoning: salt, scallions, minced garlic, chicken essence, cooking oil

Practice:

1, sweet potatoes washed and peeled and cut into pieces of the hobnail, milk melon washed and removed from the skin and seeds and pith, and then cut into hobnail pieces smaller than the sweet potatoes;

2, sit in the pot ignite the fire to release the oil, the oil temperature of 4% heat into the minced garlic, scallions, sauteed out of the flavor, and then poured into the sweet potato pieces stir-fried 5 mature. Sweet potato pieces stir-fried 5 mature and then into the milk melon stir-fried, add the appropriate amount of water, salt, chicken essence, to be soup dry, sprinkled with cilantro leaves can be garnished.

Features: salty and sweet, easy to operate.

Tips: Sweet potatoes are sweet and flat. It has the effect of tonifying the middle and blood, benefiting the vital energy and generating fluids, strengthening the spleen and stomach, and broadening the intestines and stomach. Sweet potato containing mucus protein has a protective effect on the cardiovascular system. Eating can reduce plasma, cholesterol content, and can reduce subcutaneous fat, have the effect of health and longevity.

Fisherman's sweet potato fries

Main ingredient: sweet potato

Accessories: minced garlic, breadcrumbs, green and red bell peppers

Seasoning: salt, pepper, chicken essence, dry starch

Cooking method:

1, wash the sweet potatoes, remove the skin, cut into strips, soak in cold water to control the water and then evenly stick to the dry starch, green and red bell peppers cut into strips. Garlic, breadcrumbs together with fried standby;

2, sit in a pot on the fire into the oil, until the oil temperature to 5 into the heat, the potatoes will be fried through the pot, and then fried again, to the outside of the crispy inside cooked into the green and red bell peppers, together with the fish out of the drained oil, will be the garlic, breadcrumbs, and fried sweet potato strips into the pot to stir fry, add salt, pepper, chicken stir fry into it.

Features: beautiful, spicy and appetizing.

Milk sweet potato pudding

Main ingredients: fresh milk, sweet potato

Accessories: vanilla ice cream, mixed fruits, cherries

Cooking method:

1, sweet potato diced in a pot, pour the right amount of fresh milk and cook for 20-30 minutes, cook until the consistency of the right degree, then put the vanilla ice cream and mix thoroughly;

2, stir the mixing

2. Cool the milk porridge, put it into a cup and put it into the freezer, take it out when serving, and put the mixed fruits and cherries on top of the frozen milk porridge.

Features: rich milk flavor, sweet and sour.