Onion is the only known vegetable containing prostaglandin A. Prostaglandin A can dilate blood vessels and reduce blood viscosity, so it can lower blood pressure, increase coronary blood flow and prevent thrombosis. Quercetin, which is rich in onion, has high bioavailability. Scientists report that quercetin may help prevent the oxidation of low density lipoprotein (LDL) and provide important protection for atherosclerosis.
2 Prevention of cancer
In this society where cancer turns pale, there is a kind of food that can prevent cancer, which is really great news! More importantly, the researchers also found that onions and their family members can help prevent and control various cancers. It's "various"! In France, a study on women shows that women who eat more onions and garlic have a lower risk of breast cancer. I believe you will definitely add the name of onion to your menu after reading this article!
The anticancer effect of onion comes from its rich selenium and quercetin. Selenium is an antioxidant, which can stimulate human immune response, thus inhibiting the division and growth of cancer cells and reducing the toxicity of carcinogens. Quercetin can inhibit the activity of carcinogenic cells and prevent the growth of cancer cells. According to a survey, people who often eat onions are 25% less likely to develop gastric cancer than those who don't, and 30% fewer people die of gastric cancer.
Stimulate appetite and help digestion.
Onions contain allicin, which has a strong aroma. When processing, it often makes people cry because of its pungent smell. It is this special smell that can stimulate gastric acid secretion and increase appetite. Animal experiments have also proved that onion can improve gastrointestinal tension and promote gastrointestinal peristalsis, thus playing an appetizing role and obviously improving anorexia caused by atrophic gastritis, insufficient gastric motility and dyspepsia. Of course, if you are on a diet to lose weight, then this effect of onions is obviously not suitable for you!
4 sterilization, cold protection
Onion contains phytoncide, such as allicin, which has strong bactericidal ability and can effectively resist influenza virus and prevent colds. When this phytoncide is excreted from the body through respiratory tract, urinary tract and sweat gland, it can stimulate the secretion of cell wall in these parts, so it has expectorant, diuretic, sweating, bacteriostatic and antibacterial effects.
Onion is rich in super nutrition, and it is simply the "universal king" in the vegetable industry. Bian Xiao shared several onion dishes today so that you won't get tired of eating them for a week!
Barbecue beef balls with onion
Materials:
2 Onion, minced beef 1 kg, 1/4 cup onion, 1/4 cup chopped coriander, 1/4 cup mushroom, 1 tbsp brown sugar, 1 tbsp tomato sauce, 1 tbsp soy sauce.
Step by step:
1. Preheat the oven to 2 15℃, cut off the top and bottom of the onion, peel it off, and then cut it in half.
2. Mix ground beef, onion, coriander, mushroom, brown sugar, tomato sauce, soy sauce and bread crumbs.
3. Knead the mixed meat into a ball and put it between two pieces of onion.
4. Onion meatballs are wrapped in bacon, with an average of three pieces of bacon per meatball, and bacon is fixed with toothpicks.
5. Bake in the oven for 40 minutes, take out and sprinkle with appropriate barbecue sauce, and bake for another 5 minutes.
Tip: Before cutting onions, you can put them in the refrigerator 10- 15 minutes in advance, so that people won't cry.
Onion rings tuna egg burger
Materials:
Half an onion, carrot, 1/4 canned tuna, 2 eggs, 4 pieces of perilla frutescens, 4 pieces of rice harrow or bread, black pepper, white pepper and Italian spices.
Step by step:
1. Put a layer of cooking paper in the rice cooker. Cut the bread into 2 pieces with the skin facing down and put it on the cooking paper. Press the power button, and when the button jumps, the crispy Ma Fen is finished.
2. Take out the four outer rings of the onion.
3. Dice the rest and carrots.
4. Beat the eggs in a bowl, stir them into a uniform egg liquid with chopsticks, add onions and carrots, add tuna, sprinkle with appropriate amount of black and white peppers and Italian spices, and stir well.
5. Put a small amount of oil in the pot, put it into onion rings, pour the mixed egg liquid into the rings, cover the lid and fry over medium heat.
6. After the egg liquid is solidified, turn it over.
7. When the eggs on both sides are brown, take them out and put them on oil-absorbing paper.
8. Finally, put the perilla leaves and fried onion rings in the middle of Ma Fen.
Onions common in vegetable markets are not only nutritious, but also have many functions: improving immunity, lowering blood pressure, lowering blood sugar, preventing cancer, supplementing calcium, preventing asthma, and treating colds and gout. But the most obvious effect is to lower blood sugar. For diabetic patients, it is very important to control diabetes by diet, so pay attention to it in diet. Onions have many medicinal functions, one of which is to effectively lower blood sugar. So how do you eat onions?
Analysis of hypoglycemic principle of onion
Modern medicine has proved that onions have the same hypoglycemic effect whether eaten raw or cooked. This is because it contains a substance similar to mesylate, which is often used for oral hypoglycemic, and it can effectively stimulate the synthesis and release of insulin. In addition, onion has the function of dilating blood vessels, softening blood vessels and promoting the excretion of substances such as sodium salts that cause blood pressure to rise, so it can regulate blood lipids, lower blood pressure, prevent thrombosis, and have the functions of prevention and adjuvant treatment of heart disease.
1 method 1
Soak the onion in vinegar, wash an onion, peel it and slice it, heat it in a microwave oven for about 2-3 minutes, then put the onion in a container, add 5 tablespoons of edible vinegar, and then put it in the refrigerator. You can eat it the next morning. Eating this onion for breakfast every day can effectively lower blood sugar and lose weight.
2 Method 2
Soak lettuce leaves and onion in vinegar, wash and slice the onion, add a few lettuce leaves, then pour in apple vinegar to drown the onion. This way of eating can treat constipation for many years, stabilize blood pressure and effectively improve sleep.
3 Method 3
Take 250 grams of onion, cook it with home cooking method, and eat it with meals. Or take 50 ~ 100g of onion and put it in water to boil 1 ~ 2 minutes before taking it. This method can enhance gastrointestinal tension and increase secretion; Reduce cholesterol, relax blood vessels, reduce the resistance of peripheral blood vessels and coronary arteries, and antagonize pressor substances such as catecholamine in human body; Can kill staphylococcus aureus, diphtheria bacillus and trichomonas vaginalis. It has a certain diuretic effect and can promote the excretion of sodium salt.
Formula of onion for lowering blood sugar given by Chinese medicine
Peel 500g onion, wash it, cut it into thin slices, heat it in microwave oven for 2-3 minutes, take it out, add 600ml vinegar and put it in refrigerator. You can eat it the next day. Patients can take/kloc-0 once a day, preferably not more than 30 grams each time. This method not only helps to lower blood sugar, but also helps to lose weight.
Onion and vegetable rice cake
material
An onion
A green pepper
Half a carrot
Two eggs
a bowl of rice
2 grams of salt
Proper amount of edible oil
Practice steps
1, prepare ingredients, and wash green peppers and carrots for later use.
2. Cut the onion into disks horizontally.
3. Pick onion rings from the onions.
4. Dice the onion.
Step 5 cut carrots into granules
6, the green pepper is seeded and diced.
7. Put chopped onions, carrots, green peppers, eggs and rice in a large bowl.
8. Add salt and mix well.
9. Brush a little oil in a non-stick pan, and add onion rings to low heat.
10, put a spoonful of omelet paste in onion rings and continue to make pancakes.
1 1, onion and vegetable rice cakes are fried until the surface is solidified, and then fried 1 min.