The nutritional value of onions
According to analysis, each 100 grams of onion contains about 1.8 grams of protein, 8.0 grams of sugar, 40 milligrams of calcium, 50 milligrams of phosphorus, 1.8 milligrams of iron, 8 milligrams of vitamin C and a small amount of carotene, thiamine, niacin and so on. Onions are virtually fat-free, but contain a mixture of sulfur-containing compounds in their essential oils that can lower high blood cholesterol.
What are the effects of onions
1, heart protection
Studies have found that the sulfides in onions have anti-thrombotic properties that help prevent unwanted platelet clots. Studies have also found that sulfides in onions can also reduce cholesterol and triglyceride levels and improve red blood cell membrane function. Onions are also rich in antioxidant flavonoids, which usually help prevent heart attacks when eaten regularly.
2, increase bone density
A number of studies have found that eating onions helps to enhance bone density, especially important for menopausal women with reduced bone density. Another study showed that menopausal women who eat onions every day can reduce the risk of hip fracture. Onions are rich in sulfide also on the human body connective tissue formation has a very important role.
3, anti-inflammatory
Onion has an important anti-inflammatory effect. It has been found that the unique sulfide molecules in onions can inhibit the vitality of macrophages. The antioxidants in onions play an important role in the body's fight against inflammation. These antioxidants prevent the oxidation of fatty acids in the body. The lower the level of oxidized fatty acids, the fewer inflammatory molecules are produced in the body and the better the ability to control inflammation.
4, anti-cancer
Several studies have confirmed that proper consumption of onions can reduce the risk of bowel cancer, laryngeal cancer and ovarian cancer and many other cancers.
5, anti-bacterial sugar
Several studies have found that eating onions can also improve blood sugar levels and prevent bacterial infections. In addition to sulfide, the flavonoid quercetin in onions also has antibacterial properties.
Onion fried beef how to do
1, with ingredients: beef; onions; ginger; chili; soy sauce; cooking wine; sesame oil; starch; sugar.
1, preparation: beef cleaned and cut into small pieces, add 1/3 tsp cornstarch, 1/3 tsp soy sauce, 1/3 tsp sugar, a spoonful of cooking wine, mix well, marinate for a while. Add ? tbsp salad oil and mix well before serving. Mince ginger. Cut onion into strips.
3: Sauce: 1 tbsp water, ? tsp chili sauce, ? tsp soy sauce, ? tsp sesame oil, ? tsp salt, 1/3 tsp sugar.
4: Steps: Add oil to a wok and turn off the heat when the wok is 80% hot, then remove the beef and onion from the wok. Leave a small amount of oil in the pan, large fire incense ginger to low heat, the next onion beef stir fry. Pour the sauce and turn up the heat, stir fry juice, add a little wine can be out of the pot.
Eating value of onions
Onions are a very common cheap home cooking. Its flesh is tender, juicy spicy flavor light, good quality, suitable for raw food. Native to western Asia, China are cultivated throughout the four seasons are available. Onions for food for the underground parts of the fat bulb (i.e., onion head). In foreign countries, it is known as the "Queen of vegetables", high nutritional value.