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Characterization of grape seed extracts of native to Georgia varieties of Vitis vinifera L

Tamar Goloshvili, Maia Akhalkatsi and Gulnara Badridze

To establish the possibility of application in cosmetology, industry of biologically active additives (BAA) or for other reasonscontent of tocopherol, total phenols, anthocyanins, proline, total proteins, soluble carbohydrates and also total antioxidant activity was studied both in unfermented and fermented seeds of two species of grape vine –Vitis vinifera L. (Georgian varieties Rkatsiteli, and Saperavi) and V. labrusca var. izabella, and in fermented and unfermented berry skin of Rkatsiteli, and Saperavi as well using spectrophotometrical methods. It was revealed that some amount of the studied substances remained in residues of wine making industry (both in seeds and berry skin).Thus there is a possibility of their further processing and application

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