Hands onion is a vegetable from the onion family (Allium) that also includes garlic, chives, leeks.
Vegetables from the onion family known for centuries not only because of the characteristic sharp taste, but also due to its medicinal properties. Experts the MNT Knowledge Center, spoke about the nutritional value of onions, and about all kinds of health benefits from its use.
In the world annually collect about 105 billion pounds of onions, and the most popular red, yellow and white onions. Onion consumption reduces the risk of developing gastric cancer and colorectal cancer, improves the condition of the hair and skin, and also enhances immunity.
Onions contains small amount of calories, but the content of vitamins, minerals and antioxidants are high. In onions also contain small amounts of calcium, iron, folic acid, magnesium, phosphorus, potassium and sulfur. In addition, onion is a source of antioxidant vitamin C, fighting free radicals that cause cancer of the colon, prostate gland, cancer of the esophagus and stomach.
Folic acid contained in onions, reduce depression, preventing the excess production of the hormone homocysteine, the researchers claim. Excess homocysteine interferes with the production of the hormone serotonin, dopamine and norepinephrine, is responsible for mood, sleep and appetite.
