What are the effects of onions? Is it good for men to eat onions?

　　The functions, functions and nutritional value of onions

　　Modern medical research also shows that onions contain the trace element selenium. Selenium is an antioxidant. Its special function is to enable the human body to produce a large amount of glutathione. The physiological function of glutathione is to transport oxygen for cell respiration. The selenium content in the human body increases. cancer The incidence rate will be greatly reduced. Therefore, onions are another health food.

　　Onions also have a hypoglycemic effect, because onions contain organic substances similar to the hypoglycemic drug tolbutine, and can produce dermatin with a strong diuretic effect in the human body. For diabetic patients, 25 to 50 grams of onions per meal can effectively lower blood sugar and diuretic effects.

　　In addition to stimulating appetite and aiding digestion, the phytoncides in onions also stimulate the secretion of duct walls when they are excreted through the respiratory tract, urinary tract, and sweat glands, so they are expectorant, diuretic, diaphoretic, and preventive. cold As well as antibacterial and antiseptic effects.

　　Onions are not only the most common and common vegetables, but also have many health benefits. Recent medical research shows that the effects of onions are mainly reflected in the following eight aspects:

　　1. Onions have the effect of dispersing wind and cold because onion bulbs and leaves contain a greasy volatile called propylene sulfide, which has a spicy taste. This substance can resist cold, resist influenza viruses, and has a strong bactericidal effect.；

　　2. Onions are rich in nutrients and have a spicy smell. It can stimulate the secretion of the stomach, intestines and digestive glands, increase appetite, and promote digestion. Onions do not contain fat, and their essential oils contain a mixture of sulfur-containing compounds that can lower cholesterol. They can be used to treat indigestion, loss of appetite, and indigestion. ；

　　3. Onions are the only ones known to contain prostaglandin A. Prostaglandin A can dilate blood vessels and reduce blood viscosity, thereby lowering blood pressure, reducing peripheral blood vessels and increasing coronary blood flow, and preventing thrombosis. It counteracts the effects of catecholamines and other blood pressure-boosting substances in the human body, and promotes the excretion of sodium salt, thereby lowering blood pressure. Regular consumption of it has an effect on high blood pressure and Hyperlipidemia It has health care effects on cardiovascular and cerebrovascular patients.；

　　4. Onions have a certain refreshing effect, which can help cells make better use of Grape sugar, while lowering blood sugar and supplying heat energy to brain cells. It is a good dietary vegetable for patients with diabetes and mental illness.；

　　5. Onions contain a substance called quercetin 9, which is one of the most effective natural anti-cancer substances currently known. It can prevent the biochemical mechanism in the body from mutating and control the growth of cancer cells, thus having anti-cancer and anti-cancer effects.；

　　6. The trace element selenium contained in onions is a strong antioxidant that can eliminate free radicals in the body, enhance cell vitality and metabolism, and has anti-cancer and anti-aging effects.；

　　7. Onions also contain a certain amount of calcium. In recent years, Swiss scientists have discovered that eating onions regularly can increase bone density and help prevent and treat osteoporosis.；

　　8. Onions contain phytoncides such as allicin, which have strong bactericidal ability. Chewing raw onions can prevent colds.