Onion is a kind of food we can see every day, some people are very difficult to accept the flavor of onions, but some people are very fond of eating onions, and often eat onions on our body is very much good.

Onion contains phytobacteria, has a strong bactericidal ability, can resist the influenza virus to prevent colds , and this phytobacteria through the respiratory tract and urinary tract and sweat glands can stimulate the secretion of the cell wall of the pipeline, so there is expectorant diuretic sweating and antibacterial antiseptic effect.

And onion contains onion garlic chorine, it has a strong aroma , so we cut the onion, because it smells pungent so that our eyes tear, and this special odor stimulates gastric acid secretion can enhance our appetite, and it can also promote our gastrointestinal motility, thus playing the role of appetizing . .

And onions can also prevent cancer, its effect comes from its rich selenium, and selenium is a kind of antioxidant, can stimulate our body's immune response to inhibit the division and growth of cancer cells, but also can reduce the toxicity of carcinogens.

Onions are the only plant rich in prostaglandins, which are natural blood thinners that can dilate blood vessels and reduce blood viscosity, thereby producing a lowering of blood pressure, and can reduce peripheral vascular and increase coronary blood flow, preventing the formation of our blood clots.

Of course, onions are so good, but there is still a part of the people are not allowed to eat onions, first of all, the eyes are not good, because it cuts the onion when the onion will onion will release a lot of irritating liquid, then splash into the eyes will cause damage. And patients with kidney problems can not eat, because onions contain high levels of phosphorus will increase the burden on the kidneys.