Yes.

Onions are a common and cheap home-cooked dish. Its meat is tender, juicy and spicy, with good quality and suitable for raw eating. Originating from western Asia, it is cultivated throughout China and available in all seasons. The edible part of an onion is the fat underground bulb (i.e., the onion head). In foreign countries, it is known as the "Queen of Dishes" and has high nutritional value.

Onions are very rich in nutrients. They are not only rich in potassium, vitamin C, folic acid, zinc, selenium, fiber and other nutrients, but also two special nutrients - quercetin and prostate. Element A. These two special nutrients give onions many health benefits that cannot be replaced by other foods.

Extended information:

Onions contain allicin, which has a strong aroma. The pungent smell often makes people cry during processing. It is this special smell that can stimulate gastric acid secretion and increase appetite. Animal experiments have also proven that onions can increase the tension of the gastrointestinal tract and promote gastrointestinal peristalsis, thus acting as an appetizer. It has a significant effect on inappetence caused by atrophic gastritis, gastric insufficiency, indigestion, etc.

Onions contain phytoncides such as allicin, which have strong bactericidal abilities and can effectively resist influenza viruses and prevent colds. When this phytoncide is excreted through the respiratory tract, urinary tract, and sweat glands, it can stimulate the secretion of the cell duct walls in these locations, so it also has expectorant, diuretic, diaphoretic, antibacterial and antiseptic effects.

Baidu Encyclopedia-Onion