Comparative analysis of chemical composition and antioxidant activity of grapes of several varieties: the global level and their own research
This article presents the results of a comparative study of pulp, skins, seeds 8 varieties of grapes grown in the territory of the Samara region (Friendship, Kuban, to the memory of Surgeon, Merlot, Crane, Sagittarius, Isabella, Regent), the content of total amount of phenolic compounds, antiradical capacity using the free radical DPPH free radical (2,2-diphenyl-1-picrylhydrazyl), flavonoids, tannins, restoring force, antioxidant activity in the linoleic acid system.