Onion is an ancient vegetable that has been eating for more than 5,000 years. The nutritional value of onion is relatively high. It is a specialty vegetable that combines nutrition, medical care and health care. Onion hypertrophy bulbs contain 9.2% dry matter and 8.5% sugar. Each 100g contains Vitamin A5 mg, Vitamin C9.3 mg, Phosphorus 50 mg, Calcium 40 mg, Iron 8 mg, and 18 kinds of amino acids. It is a rare health food. In Europe and America, onions are known as " Queen of vegetables." Onion eaten raw or cooked well Raw onion tastes a little flush, but it is precisely these flavored substances that have excellent health care functions such as anti-cancer. If you want to get more from onions, eating raw or mixing salads is the best way, because if you cook the onions and you don’t pay attention to the heat, it’s easy to break the nutrients. Dr. Kydo Gelwich, professor of cardiology at Harvard Medical School in the United States, points out that onion contains a lot of heart-protecting flavonoids, eat half a day raw, or drink the same amount of onion juice, can increase heart disease people about 30% of the "good cholesterol". Especially when eating less healthy food such as grilled meat, the onion inside is like your “helpful grassâ€. Sun Mengli, director of the Second Department of Nutrition at the First Hospital of Peking University, also pointed out that onions are good for patients with hypertension, hyperlipidemia, and cardiovascular and cerebrovascular diseases, and that they are best eaten raw and cold. This shows that the onion is still better to eat raw. Raw onion effect 1, prevent cancer The anti-cancer efficacy of onions comes from its rich selenium and quercetin. Selenium is an antioxidant that stimulates the body's immune response, thereby inhibiting the division and growth of cancer cells, while also reducing the toxicity of carcinogens. Quercetin can inhibit the activity of cancer cells and prevent the growth of cancer cells. Surveys have shown that people who eat onions are 25% less likely to suffer from stomach cancer than people who do not eat it, and 30% less on stomach cancer patients. 2, against aging Protein saccharification can cause the body to decline and produce aging-related AGE substances. Onion can control blood glucose, indirectly prevent AGE formation, and prevent aging. The quercetin, a powerful antioxidant, can inhibit the aging caused by free radicals. 3, beneficial cardiovascular Onion is the only plant containing prostaglandin A. It is a natural blood thinner. Prostaglandin A can dilate blood vessels and reduce blood viscosity. It will produce lower blood pressure, reduce peripheral blood vessels and increase coronary blood flow, and prevent thrombosis. . The role of vasopressor substances such as catecholamines in the human body can also promote the excretion of sodium salts, thereby lowering blood pressure. Regular consumption of foods has a health effect on hypertension, hyperlipidemia, and cardiovascular and cerebrovascular diseases. 4, diuretic urine The phytoncide contained in the onion has the effects of diuresis, sweating, preventing colds, and inhibiting bacteria. In addition, onion contains quercetin, in the human body flavonol, can form a glycoside to use, has a strong diuretic effect. Can be used to help treat edema caused by nephritis and other symptoms. 5, improve constipation Sulfur components of onions are combined with bacteria in the large intestine and proteins, or bacteria in the intestine to form hydrogen sulfide, which can promote bowel movements. Abundant soluble dietary fiber can stimulate the intestine and make exercise more vigorous. Oligosaccharides can also inhibit the proliferation of bad bacteria in the intestine, which can effectively improve the common symptoms of constipation in girls. 6, prevent osteoporosis The quercetin contained in onion has estrogen-like effects and can be matched with female hormones or osteoporosis drugs. Research reports that eating 200-300g onions a day can effectively prevent osteoporosis. 7, skin care whitening Glutathione in onions can inhibit melanin production and have an ameliorating effect on eczema, dermatitis, urticaria or liver spots. And quercetin is anti-UV and has a whitening effect. 8, relieve eye fatigue Glutathione in onions also has the effect of promoting corneal collagen synthesis and maintaining the transparency of crystals. Therefore, onions can improve eye fatigue and blurred eyes. 9, repair damaged cells Vitamins contained in onions can enhance the body's ability to repair damaged cells, and onions also have the effect of bactericidal anti-inflammatory, can effectively eliminate Staphylococcus, Streptococcus, Shigella, etc., thus protecting the body's health. 10, fighting asthma Onions contain at least three anti-inflammatory natural chemicals that can treat asthma. Because onion can inhibit the activity of histamine, and histamine is a chemical that can cause asthma allergies; onion can reduce the incidence of asthma by about half. Pitch Angle Yaw Angle Rolling Angle,Machine Tool Positioning Laser Interferometer,Laser Measurement Machine Tool,Laser Interferometry Technology Automated Precision Inc. , https://www.apiasean.com