Onions are a common vegetable on our dinner table. There are red Onions, white Onions and yellow Onions on the market. They differ according to the color of the skin. Red Onions are the most valuable. Onion is rich in nutrients, not only rich in potassium, vitamin C, folate, zinc, selenium, fiber and other nutrients, but also two special nutrients - quercetin and prostaglandin A. Eating Onions regularly can help us prevent the following diseases:
Prevention of cancer
The anti-cancer benefits of Onions come from their high levels of selenium and quercetin. Selenium is an antioxidant that stimulates the body's immune response, inhibits cancer cell division and growth, and reduces the toxicity of carcinogens. Quercetin, on the other hand, can inhibit the activity of oncogenic cells and prevent the growth of cancer cells. People who regularly eat Onions are 25 per cent less likely to develop stomach cancer and 30 per cent less likely to die from the disease, a study has found.
No eating Onions
(1) onion should not be excessive consumption, because it is easy to produce volatile gas, excessive consumption will produce gas and exhaust too much, causing unhappiness
(2) onion can be eaten by the general population, especially for patients with diabetes, cancer, acute and chronic enteritis, dysentery, hypertension, hyperlipidemia, arteriosclerosis and other cardiovascular diseases and dyspepsia, but special people must pay more attention to it when eating.
(3) people suffering from pruritic skin diseases, eye diseases, stomach diseases, lung and stomach inflammation should eat less Onions.
(4) patients with fever should be careful to eat Onions, because of the onion temperature.