Everyone knows about white: And do you know why onion is good for health?

Onions are low in calories and rich in potassium and vitamins B6 and C. Onions are packed with antioxidants that fight disease and free radicals and help 'repair' and protect damaged cells in the body.

Onions should be stored in a cool, dry and dark place, but not in the refrigerator. Do not keep it next to potatoes, which give off gas and moisture and can spoil the onion quickly.

1. Onions help improve heart health

Eating onions can have a healthy effect on the cardiovascular system. Namely, research has shown that a polyphenol called quercetin found in onions helps reduce high blood pressure and triglyceride levels.

2. It is rich in antioxidants

Onions are packed with antioxidants that fight disease and free radicals and help to 'repair' and protect damaged cells in the body. Onions contain some of the best sources of flavonoids (including quercetin), phytochemicals with powerful antioxidant properties. Red and yellow onions are richer in these antioxidants than other types. A diet rich in antioxidants can help reduce inflammation and prevent cell damage. It also affects the improvement of the immune system and better general health.

3. Helps to reduce the risk of cancer

Several studies have been done on how onions can play an important role in cancer prevention. A study from the University of Guelph showed that red onions are the most effective in reducing colon and breast cancer cells, he writes Real Simple.

Black onion improves the work of the smooth muscles of the intestines and uterus, it is also a good diuretic because it reduces swelling, especially when fluid accumulates in the stomach. The sulfur in it, which makes us cry when we chop it, is anti-inflammatory.