Onion is a kind of common vegetable. It tastes spicy. Onions can be made into all kinds of delicious food, and southerners prefer onions, mainly because onions can play the role of rheumatism, can reduce blood pressure, let's learn about the benefits of eating onions? What are the functions of onion?
Because onion bulbs and leaves contain a kind of oil volatile called propylene sulfide, which has a pungent and spicy taste. This substance can resist cold, resist influenza virus, and has strong bactericidal effect and rich nutrition
It smells spicy. It can stimulate the secretion of stomach, intestines and digestive glands, increase appetite and promote digestion. Onion does not contain fat. Its essential oil contains a mixture of sulfur compounds that can reduce cholesterol. It can be used for the treatment of dyspepsia, anorexia, and stop of food accumulation.
Hypotensive
Onion is the only plant containing prostaglandin A, which is a natural blood thinner. Prostaglandin A can dilate blood vessels and reduce blood viscosity, so it can reduce blood pressure, reduce peripheral blood vessels and increase blood flow of coronary artery, and prevent thrombosis. It can also promote the excretion of sodium salt, so as to reduce blood pressure. Regular consumption has health care effect on patients with hypertension, hyperlipidemia and cardiovascular and cerebrovascular diseases.
Refreshing
It can help cells make better use of glucose, reduce blood sugar, and supply heat energy to brain cells. It is a good food therapy vegetable for patients with diabetes and mental retardation
Onion also has hypoglycemic effect, because onion contains organic matter similar to the hypoglycemic drug metsulfomethyl, and can produce picric element with strong diuretic effect in human body. 25-50g onion per meal can play a better role in reducing blood sugar and diuresis in diabetic patients.
Onion contains sugar, protein, various inorganic salts, vitamins and other nutrients, which play a certain role in metabolism, better regulate nerves, increase memory, and its volatile components also have strong functions of stimulating appetite, helping digestion, promoting absorption and so on. Diallyl disulfide and allinine can also reduce the content of cholesterol and triglyceride in blood, thus preventing vascular sclerosis.
Onions are warm and spicy. It has the functions of expectoration, diuresis, stomach nourishing, detoxification and insecticidal. It can be used to treat enteritis, insect abdominal pain, leucorrhea and other diseases. The prostaglandin a contained in onion has obvious antihypertensive effect, and the similar substance of metsulfobutylurea contained in onion has certain hypoglycemic effect. It can inhibit the increase of blood lipid caused by high fat diet, and prevent and treat arteriosclerosis. Onion extract also has bactericidal effect, which can improve gastrointestinal tension and increase gastrointestinal secretion. Onion has a peptide substance that can reduce the incidence of cancer.
Against asthma
Onions contain at least three natural anti-inflammatory chemicals that can treat asthma. Because onion can inhibit the activity of histamine, which is a chemical that can cause allergic symptoms of asthma, onion can reduce the incidence of asthma by about half.
The above is a detailed explanation of the benefits of eating onions. Although onions are spicy, eating them often can also refresh the mind and cure the diseases of the elderly, such as high blood pressure and high blood fat. Therefore, friends who have some doubts about onion are advised to eat them at ease.