http://www.dingtengfood.com/agricultural-food/ Purple onion Sterilization: Onions contain phytoncide such as allicin, which has a strong bactericidal ability and can effectively resist influenza viruses and prevent colds. When this phytoncide is discharged through the respiratory tract, urinary tract, and sweat glands, it can stimulate the secretion of the cell duct walls in these locations, so it has the effects of expectorant, diuretic, sweating, antibacterial and antiseptic. Lower blood pressure: Onion is the only vegetable known to contain prostaglandin A. Prostaglandin A can dilate blood vessels and reduce blood viscosity, thus lowering blood pressure, increasing coronary blood flow, and preventing thrombosis. Prevent arteriosclerosis: Quercetin is rich in onions, and its bioavailability is very high. Scientists research reports indicate that quercetin may help prevent the oxidation of low-density lipoprotein (LDL), which is beneficial to atherosclerosis. , Can provide important protection. Prevent cancer: Onion's anti-cancer effect comes from its rich selenium and quercetin. Selenium is an antioxidant that can stimulate the body's immune response, thereby inhibiting the division and growth of cancer cells, and at the same time reduce the toxicity of carcinogens. Quercetin can inhibit cancer-causing activity and prevent the growth of cancer cells. Stimulate appetite: Onions contain allicin, with a strong aroma, and often make people cry due to the pungent smell during processing. It is this special smell that can stimulate gastric acid secretion and increase appetite. Anti-aging: Onions contain more cysteine, which is an anti-aging substance, which can delay cell aging and make people live longer. Prevention and treatment of diabetes: Onions contain a substance called xanthurenic acid, which can significantly reduce blood sugar and promote cell tissue to make better use of sugarAgricultural Food factory website:http://www.dingtengfood.com/agricultural-food/