This study aimed to show aromatic profile of wines produced from two
autochthonous grape cultivars Krstac (K) and Zizak (Z). During the wine
production two enzymatic preparations (EP) (Lallzyme cuvee blanc (CB) and
Lallzyme enzymatic preparation ? (EB)) and different time of skin contact (4
and 8 h) were applied. Aromatic compounds were detected by GC/FID-MS
analysis. Significantly higher content of total detected aromatic compounds
compared to appropriate controls (168.54 and 161.72 mg L-1) was observed for
K EB4h (176.33 mg L-1) and Z CB4h (177.29 mg L-1) wines. Skin contact and
usage of EP mostly increased content of 2-phenylethyl and isoamyl alcohols.
Wines from both varieties showed higher content of hexanoic and octanoic
acids compared to control. It is interesting to emphasize that content of
esters which are responsible for fruity aroma of wine which is important for
pleasant taste (isoamyl acetate - banana, ethyl hexanoate - ripe banana,
2-phenylethyl acetate - powerful fruity rose like) were increased in all
samples compared to controls. The highest grades after sensory evaluation
were obtained for K EB 8h (18.0 out of 20.0) and Z CB 8h (18.2 out of 20.0).
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