Onion leaves are not eaten, because its leaves and onions, and the texture is quite hard, the taste is not good, after eating will affect the growth of onions, if you wait for the onion is ripe and then go to eat, the leaves will become old, simply can not be eaten.

Onions have other names, such as: round onion, jade onion, Dutch onion and so on the name, belongs to the lily family two years of raw herbaceous plants. Onions are rich in prostaglandin A, which can reduce blood consistency, thereby reducing the body's blood pressure. It is also effective in preventing colds and strengthening the body's immunity. Onion antioxidant capacity is very significant, accelerate the rate of metabolism, effectively slow down the skin failure, very suitable for middle-aged and elderly people to eat, onions in our country is very wide distribution range, the market demand is very large.

The efficacy and role of onion leaves

The onion leaves themselves are not consumed, so the main onion is still the efficacy and role of onions

1, beneficial cardiovascular health: onion cyclic allicin this substance can reduce the human body's blood lipids, which can promote the health of the capillaries. Not only that, onions are also rich in prostaglandins, this substance can expand blood vessels, but also soften blood vessels, thereby reducing vascular disease. It can also promote the excretion of sodium, effectively reducing the body's blood pressure, very suitable for hypertensive patients.

2, expectorant and diuretic: onions are rich in phytocides, help us diuretic and detoxification, promote the body's immunity, the quercetin cortex in the onion and flavonols combined to accelerate the urinary discharge, treatment of renal disorders, and eliminate edema.

3, refreshing and healthy: onions contain allicin is very rich, for the tear gland stimulation is very big, so in the cutting of onions, we will be very easy to tears, but refreshing effect is also very good, to relieve people's fatigue, and improve the brain's active.