Abstract
The article presents the data of the biochemical composition of the fruits of wild roses species, laboratory studies of which were conducted for the first time in Volgograd. Special attention is paid to the fact that wild roses is the one of the most important genera in the world and has an economic value in the biological, floriculture, pharmaceutical and cosmetic industries. It has been established that the difficulties of seed propagation of wild roses in arid conditions are primarily related to the peculiarities of their physiology, biochemistry and morphology. The objects of research were species with different areas of natural distribution: R. rugosa Thunb., R. cinnamomea L., R. spinosissima L., R. canina L., Ribes aureum Pursh., growing in collection areas of the Federal Research Centre for Agroecology, Complex Reclamation and Protective Afforestation. The article analyzes the indicators of weather conditions. The degree of demand for soil fertility and light revealed the most low-demand species: R. aureum, R. cinnamomea, R. rugosa and R. spinosissima. The authors found that all the studied species had good growth and development during the observation period. The amino acid composition of wild roses and currant fruits was determined using the capillary electrophoresis system "Drops" at a wavelength of 250 nm and allowed us to identify the most valuable species in terms of their biochemical composition. Analysis of the biochemical value of fruits found that the highest amount of protein, calcium, raw fiber, iodine and phosphorus differs type R. cinnamomea from the section of high-vitamin species and R. canina.
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