Benefits of onion for health


Before knowing the benefits, let's see what the content actually is in the onion.

In 100 grams of onions contain:

  •     Water: 87.5 grams
  •     Energy: 43 cal
  •     Protein: 1.4 grams
  •     Carbohydrate: 10.3 grams
  •     Fiber: 2 grams
  •     Fat: 0.2 grams
  •     Sodium: 12 mg
  •     Potassium: 9.6 mg
  •     Vitamin C: 9 mg
  •     Calcium: 32 mg
  •     Iron: 0.5 mg
  •     Zinc: 0.3 mg
  •     Vitamin B2:0.21 mcg (microgram)
  •     Total carotene: 50 mcg

Judging from the nutritional value, onions include foodstuffs that contain solid nutrients. The onion is low in calories but high will be vitamins, minerals, and antioxidant compounds in it

1. Cardiovascular Health

Onions have excellent benefits for heart and blood vessel health. From maintaining blood pressure, to lowering the risk of heart attack.
This is due to the content of potassium in onions that have a blood pressure lowering effect. Quercetin, one of the types of flavonoids in onions also helps potassium maintain blood pressure and improve overall cardiovascular health.

2. Preventing the occurrence of cancer

Other onion benefits are as cancer prevention. Onions get into the Allium vegetable group. These allium vegetables have the priority of preventing cancer especially stomach cancer and colorectal (colon) because of its very high organosulfur compounds.
The precise mechanism of how organosulfur inhibits the growth of cancer cells is still unknown, but basically this compound plays an important role in preventing the formation of free radicals in the body.
Onions are also a very strong source of antioxidants from vitamin C. This condition makes onions have a great strength to ward off free radicals that trigger cancer.
In addition, onions are also known as the content of quercetin. Quercetin is a strong anti-cancer agent.
Reported from the Live Science page, people who eat onions absorb twice as much quercetin than those who drink tea, three times more than those who eat apples. Moreover, in red onions, the content is the most high.
Onions can also help deal with the side effects of cancer treatment. A Tauhn 2016 study in Integrative Cancer Therapies found that consuming fresh onions helps to reduce the occurrence of insulin resistance and hyperglycemia in breast cancer patients undergoing chemotherapy. As is often the case, breast cancer chemotherapy usually causes this side effect.

3. Maintain mood

Folate found in onions can also reduce the symptoms of depression reported in the Medical News Today page. Folate reduces the formation of homocysteine, a compound that can prevent blood and nutrients from reaching the brain optimally.
By suppressing homocysteine production, this means the production of chemical substances in the brain such as serotonin, dopamine, and norepinephrine can be produced smoothly. The smooth production of this brain chemical substance makes the brain more optimal in regulating mood, sleep cycles, and also appetite.

4. Strengthening the immune system

Benefits of onion also as reinforcement of the body's immune system. Polyphenols in onions act as antioxidants, protecting the body from free radicals. Reducing the pile of free radicals in the body can help drive the immune system stronger.
According to the University of Maryland Medical Center, quercetin in onions also aids in reducing allergic reactions by stopping the body from producing histamine, which makes you sneezing, addressing, and itching.

5. Maintain function of the digestive system

Fibers in onions make working the digestive system functioning properly. Onions contain a special type of fibre, which is a soluble fibre called oligofructose. These fibers are encouraging the growth of good bacteria in the intestines. Oligofructose is also needed to help prevent and treat diarrhea.

6. Maintain blood sugar levels

Chromium found in onions has the role of helping to regulate blood sugar levels. Sulfur in the onion helps to lower blood sugar and trigger an increase in insulin production.


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