Onion is a term used for many plants in the genus Allium.Allium cepa is also known as the “garden onion” or “bulb” onion.
Archaeological and literary evidence such as the Book of Numbers 11:5 suggests cultivation probably took place around two thousand years later in ancient Egypt, at the same time that leeks and garlic were cultivated.
1 medium Raw onion contains: 60 Calories, 1 gram Protein,14 grams Carbohydrates,0 Fat, 0 Cholesterol, 10 mg Sodium, 200 mg Potassium, 11.9 mg Vitamin C .
Americans eat 18.8 pounds of fresh and storage type onions on average each year.
Onions contain a oil, which has lots of sulphur in it. When you cut the onion, this oil is released. When the oil gases reach your eyes, it causes irritation and sends signals to your tear gland to produce tears.
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