20.500.12556/RUL-183224 Comparative evaluation and physicochemical characterisation of three tolerant interspecific grape cultivars In the study, the morphological and structural properties of bunches and berries, as well as the chemical characterisation of three interspecific grapevine cultivars—‘Bronner’, ‘Muscaris’, and ‘Morava’—were studied. Sugars and organic acids in the grapes were analysed using high-performance liquid chromatography (HPLC), while phenolic compounds were analysed by HPLC–mass spectrometry. ‘Morava’ and ‘Muscaris’ showed higher Hue angle values, indicating a greener skin coloration compared with ‘Bronner’, which exhibited a more yellow skin colour. ‘Muscaris’ and ‘Bronner’ had higher bunch weights than ‘Morava’, while the 100-berry weight did not differ significantly among the varieties. ‘Bronner’ must had the highest titratable acidity, and ‘Muscaris’ had the highest sugar content. Flavanols were the main phenolic compounds in the grapes, accounting for 76–88% of the total phenolic content. The highest concentrations of flavanols and caftaric acid were found in ‘Bronner’ and ‘Muscaris’ berries, while ‘Morava’ had the highest flavonol content. All studied varieties achieved good grape and must quality and are therefore recommended for wine production. ‘Bronner’ and ‘Muscaris’ stood out for their high bunch weight and high concentrations of flavanols and total phenolics, which contribute significantly to wine taste and overall quality. ‘Muscaris’ berries had a high sugar content, making this variety suitable for producing wines with higher alcohol content. In contrast, ‘Bronner’ is recommended for wines requiring higher acidity levels. tolerant grape cultivars phenolic compounds sugars organic acids berry quality parameters vinska trta odpornost rastlin na bolezni fenolne spojine sladkorji organske kisline kemična sestava true false true Angleški jezik Slovenski jezik Članek v reviji 2026-06-08 15:08:31 2026-06-08 15:08:37 2026-06-09 04:11:45 0000-00-00 00:00:00 2026 0 0 20 str. iss. 11, art. 1663 Vol. 15 2026 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 634 2223-7747 10.3390/plants15111663 280859395 plants-15-01663-v3.pdf plants-15-01663-v3.pdf 1 21BEDEA6A129023F44B3EE99E929A1E7 716d8ab82412d24bdae70252d50e3bd863ac102f5dd432c47901c25541680af1 9d9c9dbf-633b-11f1-9b0d-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=235118 https://www.mdpi.com/2223-7747/15/11/1663 1 282d5beb-633b-11f1-9b0d-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=235116 Biotehniška fakulteta 0 0 0