PHENOLIC COMPOUNDS IN PEELS, SEEDS, MARCS AND WINES FROM MAVRUD GRAPES
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2020-01-01
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Abstract
The aim of this work was to determine the amounts of different classes of phenolic compounds in ethanolic extracts from red grape marc and its components, peels and seeds, and to compare with wine musts, and red wine of the same variety of grapes. The results showed that the red grape marc was rich in polyphenolic compounds. Grape seeds demonstrated the highest contents of proanthocyanidines, (a type of flavonoid with high antioxidant activity).