Onions are not suitable for two kinds of people.
The first category is people with bad eyes. Onions contain irritating substances, which will do more harm to the eyes; So eat less, or even not, and try to avoid cutting onions.
The second category is people with bad stomachs. People with bad stomachs are weaker than ordinary people, and spicy onions will stimulate them. So this kind of people can't eat raw onions, but cooked onions can be eaten in moderation.
In addition to the above two types of people, even normal people can't eat too many onions. No matter what food you eat, you should eat in moderation. Eating too much, the body may not be able to bear such nutrition, but it will be counterproductive.
Efficacy and function of onion;
1, calcium and bone. Onions are rich in calcium, which can be compared with vegetables rich in calcium such as rape and cabbage. White also contains magnesium and potassium, and the ratio of calcium to phosphorus is also appropriate, and calcium supplementation is easy to absorb.
2. Promote weight loss and treat constipation. Onions are rich in dietary fiber, which increases satiety and promotes defecation. In addition, the bifidus factor produced by onion is also beneficial to intestinal patency.
3. Sterilization. Onion contains volatile propylene sulfide, which has bactericidal and bacteriostatic effects and can disperse pests, so onion is a vegetable with zero pesticide residue.
4. Anti-cancer. Onions are rich in quercetin and selenium. The former inhibits the activity of cancer cells and prevents the growth of cancer cells, while the latter is a strong antioxidant to reduce oxidative damage in the body.
Onions can also be used like this.
1, improving hair quality Onions can improve hair quality, and they are hair care experts! Onion is rich in selenium and quercetin. Selenium can promote hair growth, while quercetin can reduce cell oxidation, promote endocrine balance and provide a stable growth environment for hair growth.
Cut half an onion, dice and mash it, and put it in a gauze bag. Wet your hair with warm water, gently rub your hair with an onion gauze bag so that onion juice can fully penetrate into your hair roots, and then wash it with warm water. Long-term persistence can relieve itching and dandruff, promote hair growth and make hair soft and shiny!
2, remove the knife rust, the kitchen knife is not easy to clean because it is rusted by moisture, you can let the onion help! Cutting the onion and wiping the rust with the incision can effectively reduce the rust spots and reduce the chance of the kitchen knife rusting again.
Onion water has strong decontamination ability and tin ware is dirty. Cut the onion into pieces, add a little water to boil in a pot, simmer for 10 minutes, and use it to clean the tin while it is hot. The effect is as good as detergent.
3, clean the glass The glass at home is dirty, without detergent, just a little onion can make the glass shine again, and even the water is saved!
Cut the onion in half, wipe the glass with the incision, and then wipe it with a dry rag immediately. The glass will be clean soon, which is super convenient!
4. Clean the barbecue grill. Heat the grill, burn off the dirt and food residue on the grill, and then take half an onion to clean the grill.
A good cleaning effect can be obtained by using a fork to fork up half an onion and rubbing the barbecue grill with the cut face down.