The chemical composition of fruits of Siberian mountain ash Sorbus sambucifolia (Cham. et Schlecht.) M. Roem., growing in the territory of Sakhalin Island

The chemical composition of the fruits of elderberry Sorbus sambucifolia (Cham. et Schlecht.) M. Roem. harvested in 2024 was investigated, trees growing in Dudino village (Dolinsky district) and Ozerskoye village (Korsakovsky district) on Sakhalin Island. It was found that the raw and dried fruits of Sorbus sambucifolia contain, respectively, 1.79 and 8.74 percent of crude protein, 2.81 and 13.09 of fiber, 0.31 and 1.43 of total nitrogen, 0.93 and 0.93 of fats, 3.39 and 4.79 of sugars, 3.64 of acids, 36.18 mg/% of vitamin C, 17.30 and 76.38 mg/kg of carotene; macronutrients and trace elements; 16 amino acids. Elderberry fruits are a promising multivitamin source for food industry in Russia and for export to neighboring foreign countries.