Can you imagine a recipe without an onion in it? This beautiful bulb-vegetable, one of the oldest edible food ingredient known to the humankind, is found in a bewildering array of recipes and preparations, be it your favorite salad, or a mouth-watering gravy or curries.
This vegetable is a rich source of vitamins C, B6, B1, K and N. Second, the onion has a high content of folate, fiber, sulfur, flavonoids and important minerals such as chromium, magnesium, potassium, phosphorus, and calcium.
Onions have excellent antioxidant properties, which are directly responsible for reinforcing our immune system and preventing the appearance of diseases. This effect also helps the health of our blood, keeping it pure from unneeded substances. The most important antioxidant that can be found in onions is quercetin, a substance that can be found near the skin of the onion.
Onions are excellent for combating asthma. It manages to do so by inhibiting production of compounds that are responsible for causing a bronchial muscle to spasm.
Onions are also a good source of dietary fiber which is good for the digestive system.
When selecting onions, choose ones that are firm and dry with bright, smooth outer skins. Onions should be stored in a cool, dark, well-ventilated place and used within four weeks of purchase.
If you have a sensitive stomach, it is recommended to eat onion in moderation. These people, the abuse of onions can lead to higher acidity and bloating.