Biochemical composition of soybean seeds produced in various regions of Russia and aspects of its biological value (review)

This work presents a review of the main biochemical traits of soybean seeds. The dependence of the protein content, oil and amino acid composition on a growing season and weather and climatic conditions has been noted. The influence of a negative correlation between protein and oil content as well as changing of trypsin-inhibiting activity (TIA) in most soybean cultivars of both modern and earlier breeding produced in different regions of the Russian Federation is emphasized. Data on the main protein fractions in soybean seeds, their ratio depending on varietal and genotypic features are presented. The polymorphism of the fractional profile of soybeans and the possibility of breeding for specific fractions are noted. The prospects of breeding of new highly productive cultivars with specified properties and further breeding for the oil/protein trait are considered.