Quercetin, which is rich in onion, has high bioavailability. Scientists report that quercetin may help prevent the oxidation of low density lipoprotein (LDL) and provide important protection for atherosclerosis.

2, sterilization, cold protection

Onion contains phytoncide, such as allicin, which has strong bactericidal ability and can effectively resist influenza virus and prevent colds. When this phytoncide is excreted from the body through respiratory tract, urinary tract and sweat gland, it can stimulate the secretion of cell wall in these parts, so it has expectorant, diuretic, sweating, bacteriostatic and antibacterial effects.

Step 3 help digestion

Onions are nutritious and spicy. It can stimulate the secretion of stomach, intestine and digestive glands, improve gastrointestinal tension and promote gastrointestinal peristalsis, thus playing an appetizing role, and has obvious effects on anorexia caused by atrophic gastritis, insufficient gastric motility and dyspepsia.

Step 4 prevent aging

Protein saccharification will lead to the decline of body function and the generation of AGE substances related to aging. Onions can control blood sugar, indirectly prevent aging and prevent aging. Flavonoids in Dendrobium bark are powerful antioxidants, which can inhibit the aging caused by free radicals.

5, anti-aging, beauty beauty

Onion contains trace element selenium, and its nutritional value determines its anti-aging effect. Selenium is a strong antioxidant, so eating some onions often can play the role of beauty beauty.

People's Network-Eating onions has seven advantages, but three kinds of people should not eat them.