Abstract
Red wine is a rich source of different phenolic compounds which contribute to sensorial characteristics and can exhibit various biological properties. The amount of phenolics in wine depends on various factors such as grape variety, environmental conditions and production technology. The extraction of individual polyphenolic compounds during maceration was investigated in this paper. Preliminary determination of specific phenolic compositions in wines produced from grape varieties characteristic for Fruska Gora region (Probus, Frankovka and Rumenika) was also performed. A general trend in extraction of some compounds as well as specific characteristics for each variety regarding phenolic composition was observed. Obtained results showed that among wines of different varieties and vintages, statistically significant differences existed in the content of most analysed phenolics. Wines made from Probus variety were characterised by very high anthocyanin content and Frankovka wines by high content of syringic acid while high contents of piceid (resveratrol), catechin and gallic acid were specific for Rumenika variety. Obtained results have shown that Probus variety has especially great winemaking potential considering high content of phenolic compounds (especially anthocyanins), as well as intensive and stable colour.
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