Onions are both a vegetable and an indispensable spice in many dishes. Westerners have used onions as vegetables for a long time. Vietnamese people have successfully imported and used them commonly in meals and parties, in the form of mixed oil and vinegar, eaten raw, mixed in salads, to enhance the flavor of salads (lotus root salad, kohlrabi salad, cucumber salad, green papaya salad, etc.), stir-fried with meats, eggs, cooked in soups, curries, etc.
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According to modern medicine, onions have many medicinal uses thanks to their valuable vitamin and mineral content. Onions are rich in Allium and sulfur, which act as an antibiotic and antiseptic. Onions are also rich in Querectin - an antioxidant that helps the body fight free radicals. Onions also help stabilize cholesterol, treat arthritis, and are good for diabetics thanks to their rich flavonoid and sulfur compounds.
In particular, red onions contain many vitamins and minerals such as calcium, magnesium, potassium, folate, manganese, thiamine, vitamins C, K and B-6. Eating this vegetable regularly will help the body stay healthy, and can even prevent chronic diseases.
8 amazing health benefits of onions
Prevent colds
Onions help prevent colds and relieve symptoms such as stuffy nose and runny nose caused by colds. Studies have shown that onions contain allicin, which has strong antibacterial and anti-inflammatory effects, inhibiting and destroying many types of viruses.
Therefore, the substances in this tuber act similarly to antibiotics, can fight flu viruses and prevent colds.
Helps strengthen bones
Onions are rich in calcium, comparable to calcium-rich vegetables such as cabbage. They also contain magnesium and potassium, and the calcium and phosphorus in onions are in a suitable, balanced ratio, making it easy for the body to absorb calcium. Those who want to supplement calcium and prevent osteoporosis can choose this root vegetable as their favorite food.
Supports digestive health
Raw onions are high in fiber, which is essential for maintaining a healthy digestive system. Fiber helps promote regular bowel movements and may help reduce the risk of constipation, diverticulitis, and other digestive disorders.
Good for heart health
Onions are good for heart health because they contain antioxidants, anti-inflammatory compounds, reduce triglycerides and reduce cholesterol levels. Consuming them can help reduce the risk of heart disease. Along with that, onions can also help reduce high blood pressure as well as protect against blood clots.
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Helps reduce blood pressure
Onions are fat-free foods. Their ability to reduce peripheral resistance, counteract the effects of increasing blood pressure, and maintain the stability of salt excretion in the body. Therefore, onions are more effective and safer at reducing blood pressure than antihypertensive drugs.
Diabetes Control
Raw onions contain a compound called allyl propyl disulfide, which has been shown to help lower blood sugar levels in people with type 2 diabetes. Allyl propyl disulfide works by increasing insulin sensitivity, helping the body use insulin more effectively to regulate blood sugar.
Contains anti-cancer compounds
Onions contain fisetin and quercetin, flavonoid antioxidants that may inhibit tumor growth. Therefore, eating allium vegetables such as garlic and onions has been linked to a reduced risk of certain cancers, including stomach and colorectal.
Boost your immune system
Because it contains phytochemicals, onions have the ability to stimulate increased vitamin C in the body. Thanks to that, your immune system will be strengthened and able to fight against disease-causing toxins. In addition, onions also contain many other nutrients such as zinc, vitamin C, quercetin, flavonoids. These are very good for the body, helping the body to develop healthily and are excellent antioxidants, helping the body fight against disease-causing viruses.
4 groups of people are not recommended to eat onions
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People with pink eye
According to Oriental medicine, red eye pain is caused by liver wind heat. Therefore, patients should avoid spicy, hot spices such as onions. This type of spice will cause a burning sensation in the eyes or make the redness worse.
People with kidney disease
Because onions contain a lot of phosphorus minerals, if kidney patients eat too many onions, the phosphorus content in the body will increase the metabolic burden on the body, which can easily damage the kidneys, making the patient's kidney disease worse, which is not beneficial for the recovery process.
People with hot bodies
People with hot constitution or fever should be careful when eating onions. This is because onions are spicy and warm. People with hot constitution, if they eat such foods, can easily get angry, causing the body's energy to become dry and hot.
People with low blood pressure
People with low blood pressure should absolutely not eat onions because they are cold and have the effect of lowering blood pressure, so they should not eat them.
When not to eat onions
If you have irritable bowel syndrome, you should not use onions. If you have gastroesophageal reflux, you should especially not use onions at night. Because lying down after eating onions can aggravate the symptoms of heartburn.
Using onions will make your breath smell bad so consider before using. Because the effect of causing bad breath can last and even cause discomfort after a few hours of use.
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