Onions are known as a panacea and the "queen of vegetables". They can be used to treat everything from diabetes and female infertility to respiratory and gastrointestinal diseases. The key factor is that onions are rich in thiosulfite andQuercetin(quercetin).
Thiosulfite has been shown to reduce symptoms of diabetes and protect against cardiovascular disease. Quercetin has antioxidant, anti-allergic, anti-inflammatory properties, and protects against gastric ulcers, colon cancer, esophageal cancer, and even breast cancer. A report from the Federation of European Biochemical Societies even pointed out that our bodies absorb quercetin from onions more than three times faster than from apples or tea.
Prevent osteoporosis
A research report published in the journal Nature pointed out that onions are the most effective vegetable in preventing bone loss, and their effect is even better than the osteoporosis treatment drug "calcitonin". Through experiments on mice, it was found that eating 1.5 grams of onions a day reduced the rate of bone loss by 25%, and the effect was seen in just 12 hours.
But if you want to use onions to prevent osteoporosis, researchers believe that you may need to eat 200 to 300 grams of onions every day, which is about 1 to 2 onions.
Prevent high cholesterol
Dr. Victor Gurewich, a professor of cardiology at Harvard Medical School, pointed out that eating half an onion raw or drinking an equal amount of onion juice every day can increase the HDL cholesterol level of heart patients by about 30% on average. However, Gurewich believes from his own experiments that onions should not be overcooked in order to be effective.
Fighting Asthma
Onions contain at least 3Natural chemicals that fight inflammation, can treat asthma. According to German research, onions can reduce the chance of asthma attacks by about half.
Helps in fat metabolism
Gerwich's experiment also found that onions can prevent platelet aggregation and accelerate the dissolution of blood clots. Therefore, when you enjoy high-fat foods such as steak, it is best to pair them with some onions, which will help offset the blood clots caused by high-fat foods.
Traditional Chinese medicine also has a similar theory. Onions are pungent and warm, and they travel through the lung meridian, spleen, stomach, and liver. Chen Weida, director of the Traditional Chinese Medicine Department of Linxin Hospital, mentioned that onions are particularly effective in improving liver metabolism and helping to lower blood lipids.
This is the safest choice!
1. The heavier the weight, the better, which means it is more hydrated.
2. Choose purple or yellow onions. Michael Havey, a geneticist at the U.S. Department of Agriculture and a professor of horticulture at the University of Wisconsin, explains that the brighter the color, the more thiosulfite it contains. "And heat will cause the thiosulfite to be lost. It is best to eat onions raw or cook them quickly."
How to cut onions without crying
The reason why you cry when you cut onions is that when you destroy the onion cells, it releases an enzyme that produces propanethial sulfoxide gas. When this gas comes into contact with tears, it produces sulfuric acid. The brain then tells the tear glands to secrete tears to try to flush out the sulfuric acid.
Irwin Goldman, a professor of horticulture at the University of Wisconsin-Madison, said the enzyme is concentrated in the roots of onions, so there are many ways to reduce tears:
1. The later you cut the roots of the onions, the more effective it will be in delaying the stimulation of your tear glands.
2. Put the onion in the refrigerator for a while before cutting it to minimize the irritation.
3. Japanese research found that cutting an onion in half and microwave it for 2-3 minutes can reduce tears and quickly remove the skin. But it is not suitable for making lettuce salad.
4. Soak the onion in cold water and cut it.
How to remove the spicy smell of onions?
1. Soak the chopped onion in ice water until it becomes transparent.
2. Rinse the chopped onion under running water for 10 to 20 minutes.
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