1, cancer prevention, cancer, cancer role
Onions of trace element in the selenium content of all kinds of vegetables is also higher. Modern medical research showed that the onion contains trace element selenium is a kind of very strong antioxidant, can eliminate free radicals in the body, selenium is special function can make human body produce a large number of glutathione, GSH physiological function is to deliver oxygen for cell respiration, human body selenium content increased, can in the body by scavenging free radicals, enhance the cell vigor and metabolic ability, has the efficacy of cancer can make cancer incidence drops greatly.
2, fall fat, decompression, prevention and cure disease of heart head blood-vessel
Onions are known only contain prostaglandin A vegetables. Prostaglandin A can expand blood vessel, reduce the blood viscosity, thus will produce fall blood pressure, can reduce the peripheral vascular and increase coronary blood flow, prevent blood clots effect. Against the body catecholamine and boost the function of matter, and to promote the excretion of sodium salt, so that the blood pressure drops. Prostaglandin A can restrain the high fat diet causes blood fat rise, prevent and treatment of atherosclerosis. Often eat onion to high blood pressure, high cholesterol and heart cerebrovascular patients have health care function;
3, diuresis, the treatment of diabetes
A long time ago, onion was used to treat diabetes, medical proof onion stimulating insulin synthesis and release role really can fall blood sugar; Onions contain methyl sulfonic butyl urea similar substance has a certain fall blood sugar efficacy, similar commonly used oral fall blood sugar agent methyl sulfonic butylamine, patients with diabetes every meals onion 25 to 50 g can have better reduce blood sugar and diuretic effect.
4, prevent osteoporosis
In the onion also contain certain calcium, authoritative journal "nature" of the latest research report pointed out that, Onions contain improve bone mineral density material, can prevent the generation of osteoporosis.
