Onion can't be more ordinary in daily life. There is a folk saying that "no onions are cooked". Almost every family has a bundle of onions, ready to use it to season or as a seasoning vegetable. No one regards onion as a noble nutrient; But if we talk about its nutritional value and health care value, we really can't underestimate it.
Onion can be eaten in all seasons, with various varieties and different nutritional values. The contents of carotene and vitamin C in fresh onion leaves are quite high, and it is understandable that the nutrient content in green onion leaves is higher than that in onion leaves thrown away. Onion is excellent in both vitamin C and carotene, and it is a kind of highly nutritious vegetable. When we eat onions, we should not just pay attention to the white and tender scallions and throw away the leaves casually.
The health value of onion is more prominent than the content of nutrients. According to the traditional Chinese medicine, onion can sweat and relieve exterior syndrome, and people often use onion with ginger and brown sugar to cook soup to treat the first cold. Onion has the effect of invigorating stomach, increasing appetite and strengthening physique. Eating more raw onions can also warm the body, improve the body's resistance and prevent respiratory infectious diseases. It turns out that onion contains volatile oil, among which allicin is an expert in sterilization, which can kill bacteria in oral cavity and respiratory tract.
Like garlic, onion can prevent the increase of blood cholesterol and arteriosclerosis, lower blood pressure, protect blood vessels and reduce the occurrence of thrombosis. Therefore, onion is especially beneficial to mental workers who have less physical activity, excessive brain fatigue and are prone to cardiovascular diseases.
"diet" onion
Onion is a must-have thing in the kitchen. According to legend, Shennong tasted a hundred herbs and found the onion. As a condiment for daily meals, onions are added to reconcile various dishes, so it was called "harmony grass" in ancient times. Now, there is also a saying among the people that "there is no cooking without onions". Onion is spicy and fragrant. Onion is more spicy and light, which can be used to cook all kinds of dishes.
Nutritional efficacy: Onion contains volatile oil with pungent smell. When used in cooking, it can remove fishy smell in greasy dishes, produce special aroma, stimulate the secretion of digestive juice and stimulate appetite. Onion itself is also rich in vitamins and minerals, which has a certain nutritional and health care effect. The volatile capsaicin it contains has strong bactericidal ability, when capsaicin passes through sweat glands and respiratory tract. When the urinary system is discharged, it can slightly stimulate the secretion of related glands, and play a role in sweating and eliminating phlegm. The role of diuresis, thereby improving the body's resistance and preventing respiratory infectious diseases. In addition, onion can promote blood circulation, improve the function of nervous system, and play a certain role in preventing cardiovascular diseases and senile dementia.
Eat well: about 20 grams each time. Don't eat too much, otherwise it will cause dizziness and blurred vision. Mental workers are suitable for eating onions. Excessive sweating and body odor. Patients with gastrointestinal diseases and eye diseases should not eat. Onion should not be eaten with honey. After eating onions, people leave an unpleasant smell of onions in their mouths. At this time, just rinse your mouth with strong tea or chew a few pieces of tea in your mouth to get rid of this smell.
Selected treasures: good quality onions should be white and long, strong and uniform, with green leaves, no pests and no dead leaves. Onions should be bundled, with their roots facing down, and stored in a cool and ventilated place for a short time. Onions have strong cold resistance and are not afraid of freezing.
The family and genus are scaly stems of Allium fistulosum in Liliaceae.
Alias Polygonum hydropiper, Deer Fetus, Laibo, Four Seasons Onion, Hedao, Allium fistulosum and Onion.
The sexual taste is warm and warm, and it tastes Xin Ping; Entering the lung and stomach meridians.
Indications: sweating, relieving exterior syndrome, dispelling cold and activating yang, detoxicating and dispersing coagulation. Indications: mild cold due to wind-cold, carbuncle, swelling, sore, dysentery, weak pulse, abdominal pain due to cold coagulation, and dysuria.
The nutrient content per100g contains 90g of water, 2.5g of protein, 0.3g of fat, 5.4g of carbohydrate, 54mg of calcium, 6 1 mg of phosphorus, 2.2mg of iron, 0.46mg of carotene and 0.5mg of vitamin C/kloc-0. In addition, it also contains many ingredients such as protopectin, water-soluble pectin, thiamine, riboflavin, niacin and allicin.
Health diet
1.Onion drum soup 30g, light fermented soya beans10g, 3 slices of ginger, 30ml of yellow wine. Add 500 ml of onion, light fermented soya beans and ginger into the water and fry, and then boil the rice wine for one or two times. This soup has the effects of dispersing cold, regulating qi and regulating middle warmer, and is suitable for exogenous cold, aversion to cold, fever, headache, stuffy nose, cough and other diseases.
2. Onion jujube soup 20 jujubes and 7 scallions. Wash the red dates, soak them in water, put them into the pot, add appropriate amount of water, and bring them to a boil with slow fire. After about 20 minutes, add the washed scallion, and continue to fry them with slow fire 10 minute. When taking, eat dates and drink soup twice a day. This soup has the effects of invigorating the spleen and stomach, dispelling cold and activating yang, and can be used as an adjuvant to treat diseases such as weakness of heart-qi, boredom in chest, insomnia, dreaminess and amnesia.
3. Stew 50 grams of pig's trotters with onions, 4 pig's trotters, and appropriate salt. Plucking pig's trotters, cleaning, and cutting with a knife; Cut the onion into sections, put it together with the pig's trotters, add some water and a little salt, first boil it with strong fire, then stew it with slow fire until it is cooked and rotten. This dish has the effects of enriching blood, eliminating swelling and promoting lactation. It is suitable for blood deficiency and weakness, limb pain, body edema, sore and swelling, and puerperal hypogalactia.
4. Scallion-roasted sea cucumber onion120g, water-soaked sea cucumber 200g, clear soup 250ml, 2 rapeseed hearts, cooking wine and wet corn flour. First, wash the sea cucumber and blanch it with boiling water; Fry onion segments with cooked lard to make onion oil; Add clear soup, soy sauce, monosodium glutamate, salt, cooking wine and other seasonings to the sea cucumber, pour it on the sea cucumber and cabbage with wet corn flour, and pour it with scallion oil. This dish has the effects of nourishing lung and kidney, benefiting essence and strengthening yang. It is suitable for dry cough and hemoptysis caused by lung-yang deficiency, impotence, nocturnal emission, aplastic anemia and diabetes caused by kidney-yang deficiency.
5. Scallion porridge with scallion10g, 50g of japonica rice and appropriate amount of sugar. Cook the japonica rice first, and when the rice is ripe, put the chopped scallion and white sugar into it. This porridge has the effects of relieving exterior syndrome, dispelling cold, harmonizing stomach and tonifying middle energizer. Suitable for cold, headache, stuffy nose, body heat without sweat, swollen face, indigestion, carbuncle and other diseases.
6. There are 20 scallions and 20 jujubes in the soup of green onions and red dates. Wash scallion and cut into sections, and wash jujube and cut into half; Boil them in water, and add appropriate amount of sugar before taking out the pot. This soup has the effect of regulating stomach and calming nerves, and can be used as an adjuvant treatment for insomnia, physical weakness, anorexia, dyspepsia and other diseases caused by neurasthenia.
Precautions should not be taken orally with honey; Those who show deficiency and sweat should not eat.
People who often eat onions are relaxed.
Onion contains a special volatile oil, and the oil contains allicin, which has strong bactericidal effect and has obvious effect on preventing respiratory infectious diseases and colds in spring. Eating onions often in spring can promote the secretion of digestive juice, help to eliminate the dirt and turbid gas accumulated in the gastrointestinal tract, increase appetite, strengthen the spleen, reduce blood pressure, blood lipid and blood sugar, and enhance human immunity. These effects are related to the rich trace elements such as germanium in onion. In addition, eating onions is also good for the health of people with cardiovascular sclerosis, rising cholesterol, constipation and obesity.