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According to gastroenterologists, green onions contain vitamin A, which helps improve vision and is a natural antibiotic. It is also rich in bioflavonoids quercetin and anthocyanin, as well as zinc, which help stimulate the immune system and suppress the growth of pathogenic flora. Onions are used both in their natural form and as a seasoning for ready-made dishes, pickles, and are widely used in the food industry for canning and making sausages. Onions improve appetite, promote the secretion of digestive juices and proper absorption of food.