Abstract
Polyphenolic Extracts of Red Grapes
Highlights
Growth in radionuclide environmental background and chemicals use in food products are characterized by upset of antioxidant balance of human organism and pathologies of the immune system
The selected raw materials for the study were Zeibeli and Izabela color grape varieties cultivated in Baghdati viticulturewinemaking micro-zone
The newly-squeezed skins and stone, without any drying and crushing, are supplied to the extraction equipment, where per 1000g of the grape skins and stone composition were added with 1000 ml of 80-82% ethanol, which is oxidized to 1% by citric acid
Summary
Growth in radionuclide environmental background and chemicals use in food products are characterized by upset of antioxidant balance of human organism and pathologies of the immune system. The best raw material base for producing such preparations and nutritional supplements is represented by environmentally safe, i.e. cultivated without using chemicals, colored grape varieties. Of particular interest is a grape stone, which contains 6570% of total amount of phenol compounds existing in grapes, and is mostly represented by bio-flavonoids. They prevent the development of thromobotic proceses, improve lipid metabolism that in turn reduces pathologies of cardiac ischemic diseases and extends life expectancy [3]. Proanthocyanidins, which represent the catechins’ polymeric chain were obtained for the first time by Professor Jacques Masquelier in 1936, and he named these compounds P vitamin
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