Everyone knows that onions are useful, tasty and good as a seasoning. But most people have in mind a large variety of this plant, which has a standard golden shell-husks. But there are a lot of varieties of onions, in particular, onions can be white, red, purple. And much less is known about their valuable qualities. For example, few consumers can boast that they know exactly what a white onion is useful.
Outwardly this sort of onion differs little from the usual onion onion with golden skin. The shape of the bulb is almost the same, only has a gently white color. This plant is not found in the wild and exists only in the form of cultivated garden crops. The use of white onions is, first of all, in its more tender taste. But it is much more difficult to grow it, it is too capricious and prone to disease this plant.
Benefits and harm of white onions
Caloric content of white onions is only 45 kcal per 100 grams of fresh product. Despite the sweetish taste, it contains quite a few carbohydrate compounds - only 11% of the total weight of the bulb. Also here there is a little protein and many, many valuable active substances: vitamins, minerals and trace elements. But the useful properties of white onions, first of all, are due to the presence in it of a huge number of phytoncides - special compounds that have the most harmful effect on viruses and bacteria. Therefore, the plant is successfully used as a cold remedy, for the treatment of abscesses and purulent wounds, for purifying blood and optimizing the work of the intestine, and the like. But besides the benefits and harm white onions can also bring. For example, it is contraindicated to peptic ulcers and people suffering from gastritis and kidney disease. Harmful white onions and hypertensive patients, because it helps increase blood pressure.