1, beauty beauty
Onion contains a substance called Dendrobium flavonoids, which has a strong antioxidant effect. Eating it regularly can effectively inhibit the formation of free radicals in the body, thus slowing down the pace of aging. Moreover, it can also resist the damage caused by ultraviolet rays in the sun to the skin, which is beneficial to the maintenance of the skin.
2. Anti-cancer
Quercetin contained in onion is a pure natural anticancer substance, which can regulate the immune function in the body, thus inhibiting the growth of cancer cells.
Eating onions can effectively reduce the content of nitrite in the body, and tobacco nitrate, as a carcinogen, often lurks in some foods, such as barbecue. If we don't excrete this harmful substance from the body, there will be a risk of cancer. People who eat onions regularly have a significantly lower risk of stomach cancer than those who don't eat onions very much.
3. Lowering blood pressure and blood fat
Regular consumption has a health care effect on people with hypertension, hyperlipidemia and cardiovascular and cerebrovascular diseases. Prostaglandin A contained in onion is a substance that can effectively dilate blood vessels and reduce blood sugar viscosity. Therefore, eating onions often has a significant therapeutic effect on people suffering from hypertension and hyperlipidemia.
4. Stimulate appetite and help digestion
Onion contains allicin, which has a strong aroma. When processed, it often makes people cry because of its pungent smell. It is this special smell that can stimulate gastric acid secretion and increase appetite. Animal experiments have also proved that onion can 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.
5, sterilization, anti-cold
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 through respiratory tract, urinary tract and sweat gland, it can stimulate the secretion of cell pipeline wall in these positions, so it has the functions of eliminating phlegm, diuresis, sweating, bacteriostasis and antisepsis.
Extended data:
Cold onion steps:
Ingredients: 1 onion, 2 tablespoons light soy sauce, 2 tablespoons vinegar, sugar 1 tablespoon, salt 1 teaspoon, pepper oil 1 tablespoon, sesame oil 1 tablespoon.
1, wash the onions one by one and peel off the old skin outside.
2. Cut into thin strips.
3. Mix soy sauce, vinegar, sugar, salt, pepper oil and sesame oil into juice, and add seasonings as appropriate according to personal preferences. If you like spicy food, you can add some Chili powder.
4. Mix the prepared bowl juice with onion, cover it with plastic wrap and put it in the refrigerator for more than half a day.
Baidu encyclopedia-onion
People's Network-Making tea with cold water and eating onions raw? Ten eating habits determine the length of life.
People's Daily Online-Does onion do a lot of good to human body? Eating onions has four functions.