Studying dried cranberry, raspberry, strawberry nutritional value

In the context of a shortage of essential nutrients in the diet of many Russians, the assessment of berry raw materials is considered in conjunction with the study of its nutritional value. The purpose of research is to study the nutritional value of dried cranberries, raspberries, strawberries of domestic production (IE Ankudinov, Krasnoyarsk, Lomonosova st., 24; IE Denisov, Vladimir Region, Vyaznikovsky District, Nikologory settlement, 66, 2nd Proletarskaya Street) to identify the best source of biologically active substances. In the work, a comparative assessment of the biochemical composition, vitamin and mineral value, and the content of individual polyphenolic compounds of the tested materials was carried out. It was established that the berry raw material had a rich chemical composition, according to the content of heavy metals (loids) it met the requirements of TR CU 021/2011. Strawberries had a competitive advantage in the content of organic acids (malic, citric), sugars (glucose, fructose), flavonoids, vitamin PP, vital (Ca, Fe, Mg, Mn, Na) and conditionally necessary for human life (Cr, Sr ) mineral elements. Raspberry berries had a higher content of insoluble dietary fiber, protein, mineral components: Ni, Si, Cu, Al, Zn, K, P, B. Cranberry berries were distinguished by the presence of succinic and tartaric acids, vitamin B1 and the trace element Se, as well as increased the content of the mineral component Te. The above dried berries are recommended for use as a source of functional food ingredients both for self-use and as part of complex food systems.