Onions, alias scallions, onions, jade onions, onions, etc., belonging to Amaryllidaceae, Allium, two-year-old herb, is one of the main vegetables in China, and the variety is also diverse. Onion is also a very nutritious plant. It is not only rich in minerals such as vitamins, calcium, iron and phosphorus, but also has many beneficial compounds. Onions have a lot of food benefits, but these kinds of people should not eat onions, let's take a look.
Edible benefits of onions
1. Onion is a good natural anti-cancer food. It is proven that onions and garlic contain “allicin†and selenium sulfide, which can inhibit the synthesis of carcinogenic nitrosamines and promote the function of phagocytic cells to destroy cancer cells. .
2. There are also quercetin and glutathione in the onion, which also plays an important role in preventing cancer and cancer.
3. Onions and yellow urine butyric acid can make cells better use sugar to lower blood sugar.
4. Onion contains prostaglandin A, which can dilate blood vessels, reduce peripheral vascular resistance, promote sodium excretion, and increase blood pressure.
5. Onion also contains diallyl sulfide, which has the function of preventing hardening of blood vessels and lowering blood lipids.
6. It can also detect quercetin-containing substances in onions, and the glycoside formed under the induction of flavonone has a diuretic effect, which is beneficial to the prevention of obesity, hyperlipidemia and arteriosclerosis. The theory of Chinese medicine says that onions have similar functions of dampness and detoxification.
Who should not eat onions?
1, people with bad eyes can not eat
People with eye irritation, redness, or other eye diseases should not eat onions. When the onion is cut, it will release a lot of irritating liquid. If you accidentally let the liquid get into the eyes, it will cause great irritation and damage to the eyes, it may be red and swollen, and tears will not stop. Also, onions contain some compounds that may have a bad effect on the eyes after consumption. Therefore, people with bad eyes are better not to eat onions. Similar foods include onions, garlic, etc. People with bad eyes should also eat less of these two plants.
2, yin deficiency and body heat
Onions are spicy, a kind of hot food. It is easy to get angry when you eat too much. A yin-deficient person is weak and may not be able to withstand the heat of the onion, causing some bad consequences. The person who is physically hot is easy to get angry or has become a little angry. If you eat the onion, it will aggravate the situation. This may lead to fever, acne, throat irritation and other symptoms.
3, kidney disease patients
Onions contain high levels of phosphorus, and eating more elements will increase the burden on the kidneys. This is not only bad for the recovery of the disease, but also may cause other adverse consequences due to the inability to treat excessive amounts of phosphorus. Therefore, people with kidney disease should not eat onions.
4. People who are allergic to onions
Because the juice of raw onions is very irritating, it is very irritating to the skin, and many people are allergic to onions. This type of person is best not to eat onions to avoid adverse reactions.
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