Onions are native to Central Asia or West Asia and are widely distributed in China. They are cultivated in all parts of the country. They are one of the main vegetables in China. China's onion originates mainly in Fujian, Shandong, Gansu, Inner Mongolia and Xinjiang. The onions currently available on the market are generally of three kinds: Purple onion, White onion and Yellow onion. The nutrition of three kinds of onions is almost the same. Purple onions have slightly higher nutrition. Three kinds of onions have slightly different taste. Purple onions Rich flavor, suitable for cooking, white onion juice, juicy, light spicy, suitable for salads eaten raw, yellow onion is suitable for cooking with seafood. Onion is a very good health vegetable, rich in nutrients and health-care ingredients. Each 100g of onion contains: Heat (39 kcal) Phosphorus (39 mg) Calcium (24 mg) Magnesium (15 mg) Iron (0.6 mg) Potassium (147 mg) Sodium (4.4 mg) Selenium (0.93 μg) Copper (0.05 mg) Manganese (0.14 mg) Zinc (0.22 mg) Fat (0.2g) Protein (1.1 g) Carotene (20 micrograms) Thiamine (0.03 mg) Riboflavin (0.03 mg) Carbohydrates (9 grams) Niacin (0.30 mg) Dietary fiber (0.9 g) Vitamin C (8.00 mg) Vitamin A (3 micrograms) Vitamin E (0.14 mg) The effect of onion 1. Onion is more effective than bone flaking Housewives do not like to use onions for cooking. They make tears when they are handled. Many people also fear onions. Unless it is superb craftsmanship of onion dishes, it is difficult to find the lover who is really hard to find onions. 2, onion can prevent high cholesterol Eating half an onion a day or drinking an equal amount of onion juice to protect the heart is a folk remedy. Dr. Kerdoh performed an experiment on the patient in his own clinic to prove that the onion did improve cholesterol, but the onion The more cooked, the less effective. 3, onion can break down fat Dr. Kerdler had heart patients in the clinic eat onions every day and found that the compounds contained in onions also prevented platelet aggregation and accelerated the clotting of blood clots. So, when you are enjoying high-fat foods, it is best to mix some onions and it will help offset the blood clots caused by high-fat foods, so it's reasonable to say that steaks are usually eaten with onions. 4, onions can prevent stomach cancer Onions and garlic, scallion, leeks, and all kinds of onion vegetables contain cancer-fighting chemicals. According to a study conducted by researchers at a place with a high incidence of stomach cancer in Shandong Province, China, the researchers found that when onions are eaten more, they have stomach cancer. The probability is lower. 5, onions can fight asthma Onions contain at least three anti-inflammatory natural chemicals that can treat asthma. Because onion can inhibit the action of histamine, and histamine is a chemical that can cause asthma allergies; According to the German study, onion can reduce the incidence of asthma by about half. 6, onion can treat diabetes A long time ago, onions were used to treat diabetes. In modern times, medicine has also proven that onions can actually lower blood sugar and both raw and cooked foods are equally effective. There is an anti-diabetic compound in the onion, similar to the commonly used oral hypoglycemic agent sulfomethatin, which has the effect of stimulating insulin synthesis and release. 7, onions can prevent nasal congestion When you catch a cold, you can enjoy hot oyster soup with onions and soon you can sweat and fever. If the stuffy nose, with a small piece of onions against the nostrils, the pungent odor of onions will prompt the nose to open up instantly. 8, onions can stimulate appetite and help digestion The onion contains onion and garlic, with a strong aroma. It often makes people cry because of the pungent smell. It is this special smell that stimulates the secretion of gastric acid and increases appetite. Animal experiments have also proved that onion can increase the gastrointestinal tract tension, promote gastrointestinal motility, and thus play an appetizing role, there is a significant improvement in the loss of appetite caused by atrophic gastritis, gastric insufficiency, indigestion and so on. Portable Ultrasound Scanner,Ultrasound Scanner Machine,Portable Ultrasound Machine,Laptop Ultrasound Machine Mianyang United Ultrasound Electronics Co., Ltd , https://www.uniultrasonic.com