Year: 2015
Type: article
Abstract: Continental Croatia wine region and especially Kutjevo vineyards are famous for their predicate wines production and quality.Th e most common grape varieties used there for diff erent types of predicate wine are Welsch Riesling and Traminer.Ice wines, selected harvest wines and dry berry selection wines from diff erent harvest years were examined by HPLC method to determine organic acids composition.Th e oldest sample was Traminer selected harvest from vintage year 1990, while the youngest wine was Traminer ice wine from harvest 2011.Th e dominant organic acids in all analyzed wines were tartaric, malic, citric and galactaric, ranged from 0.09 to 2.98 g/L.In most wines the diff erence in concentration of glucuronic, galacturonic and gluconic acids was established.Th e highest content of glucuronic acid was 58.4 mg/L in Traminer dry berry selection 2011.Galacturonic acid dominated in the same wine (924 mg/L), just like gluconic acid (141 mg/L).
Institution: University of Zagreb
Language: English
Subfield: Food Science
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W2235901321