The onion is one of the oldest vegetables known to the humanity. There are several varieties of this round vegetables: yellow, red (sweeter and hotter), white. He is used as an additive or spice in all the world's cuisines. It can be found in fresh, frozen, canned and dehydrated state, as well as powder. This vegetable can be used in almost every kind of food. It can be eaten in fried state or fresh in salads, or it can be used like a spice. Depending on it's variety, the onions can be with sharp or with sweet taste.

Onion is a very healthy vegetable. The bulb of the onion contains valuable healing substances and can be used as a natural medicine for many diseases.

From the nutrient point of view the onion contains many carbohydrates, in small amounts vegetable protein and fat. But, the real value of the onions comes from the content of vitamins and minerals. He is a real treasure of vitamins, minerals, trace elements, plant hormones ... Contains potassium, sulfur, vitamins B1, B2, C, K, Q, beta carotene. The onion into the body act similar to the insulin.