Cereals are made from barley grains, from which the husk and the top layer are removed during grinding. Pearl barley got its name due to the shape of grains that look like pearls (pearls). It is used as a base for side dishes and porridges, filling for soups. The composition of cereals includes 20 amino acids, 8 of which are essential, a large amount of fiber, mono- and disaccharides, saturated and unsaturated fatty acids, vitamins A, B1, B2, B5, B6, B9, E, PP, mineral elements. It has a positive effect on the work of the intestines, removes toxins from the body, improves the functioning of the visual organs, increases immunity, lowers cholesterol, cleanses blood vessels, increases hemoglobin.