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Which cooking method of green beans can retain its nutritional value to the greatest extent?
In order to keep the nutritional value of green beans to the greatest extent, it is best to steam or cook them. For example, green beans are boiled with potato pieces, water is directly added to the pot, and green beans and potato pieces, a proper amount of salt, a little oil and chicken essence (preferably not put) are added, and the juice is collected after simmering 10 minutes. This method is primitive, simple and retains the nutritional components of green beans. You can also steam pork ribs with green beans. After the ribs are washed, add salt, cooking wine and pepper to marinate 10 minutes, take a large bowl, put the green beans at the bottom of the bowl, cover the ribs with the green beans, add some broth, or add water without broth, and the soup should not exceed half of the total. After adding water to the pot, put the bowl into the pot and steam for 50 minutes and sprinkle some chopped green onion.

Do not advocate frying or frying.

Nutrition experts said: green beans are a kind of vegetables that people often eat. If they are not cooked well, eating them can easily lead to poisoning. The following small series will teach you how to cook green beans correctly.

Cooking in a large pot 10 minutes to be cooked thoroughly.

Improper cooking and processing methods of green beans can not be heated thoroughly, and the toxins contained in them can not be destroyed, which can cause food poisoning. Hong Wenhua, deputy director of the Food and Beverage Branch of Guangzhou Food and Drug Administration, said that the poisoning of green beans mostly occurred in collective canteens, mainly due to the large processing capacity of small pots, uneven stir-frying and uneven heating, which made it difficult to cook green beans.

Some chefs like to blanch the green beans in boiling water first, and then fry them in oil, mistakenly thinking that it is safe to heat them twice. In fact, neither heating is thorough, and finally the toxin is not destroyed. Some chefs covet the beautiful color of green beans and have not heated them thoroughly.

Experts say that the method to prevent green beans poisoning is very simple. As long as all green beans are cooked and stewed thoroughly, their appearance will lose their original green color and they will not be poisoned if they taste no beany smell. When processing green beans in the collective canteen, the amount of each pot should not exceed half of the pot capacity. After frying in oil, add a proper amount of water, stew the pot cover for about 10 minutes, and turn it constantly with a shovel to make it evenly heated. In addition, we should also pay attention not to buy or eat old green beans, and remove both ends and pods of green beans because these parts contain more toxins.

Green beans include: kidney beans, kidney beans, kidney beans, lentils and cowpeas. The most common ones are kidney beans and kidney beans, which are called Qingming beans in Quzhou, Zhejiang Province, and beans in northern China. They are one of the common vegetables with high nutritional value on the table. Whether stir-fried alone, stewed with meat, or cooked cold salad, it is very suitable for people's tastes.

Most people only know that green beans contain more high-quality protein and unsaturated fatty acids, and the contents of minerals and vitamins are higher than other vegetables, but they don't know that they also have important medicinal value.

Rich in copper, copper is an indispensable micronutrient for human health, which has an important influence on the development and function of blood, central nervous system and immune system, hair, skin and bone tissues, brain, liver, heart and other internal organs.

Green beans are also rich in protein and a variety of amino acids, which can strengthen the spleen and stomach and stimulate appetite. Eating more green beans in summer can relieve summer heat and clear the mouth.

Green bean seeds can activate lymphocytes of tumor patients and produce immune antibodies, which have very specific damage and inhibition effects on cancer cells, that is, anti-tumor effects.

Green beans are rich in nutrients, and each100g of green beans contains the following nutrients:

4 precautions for eating green beans

Green beans are delicious and rich in nutrition, but we should pay attention to them when eating them, such as whether they can be eaten raw, whether we should pay attention to controlling the weight when eating them, and so on:

1, green beans are best not to be eaten raw. Green beans contain toxic substances, which can be poisoned if eaten raw, so be sure to cook them before eating them. If you think green beans are not easy to cook, you can soak them first, or blanch them with boiling water before frying them.

2. Pay attention to controlling the weight when eating green beans. Green beans are full when eaten. Pay attention to controlling the weight when eating green beans. Don't be greedy or you may get indigestion.

5 collocation of green beans

Green beans are delicious and nourishing. We can supplement nutrition by eating green beans, but we should also pay attention to collocation. Eating green beans with the right food can promote the healthy development of the body. If it is not well matched, it will reduce the nutritional value and destroy the edible efficacy.

1, green beans can't be matched with vinegar. Eating green beans with vinegar will reduce the nutritional value.

2. Green beans can be paired with mushrooms. Eating green beans and mushrooms together can improve eyesight and promote the formation of good eyesight.

3. Green beans can be paired with pepper. Eating green beans and pepper together can promote the healthy development of bones and gums.