The microvinification of the control and dehydrated grapes was
performed in duplicate and involved the manual selection of
grapes, destemming and crushing, and the addition of sulfur dioxide
(100 mg/kg) and pectinolytic enzyme (Laffort, Lafaze Fruit®,
30 mg/kg) during the obtainment of the must. The yeast species
Saccharomyces cerevisiae (Laffort, Zymaflore RX60®, 250 mg/kg)
was added to the musts to start the alcoholic fermentation process.
The maceration was carried out simultaneously with the alcoholic
fermentation over 5 days. When the alcoholic fermentation
finished the wines remained in tanks for the spontaneous malolactic
fermentation. The wines were then cold stabilized and clarified
with bentonite solution (AEB Group, Bentogram®, 15 g/hL).
The free SO2 contentwas adjusted to 30 mg L1 and the wines were
bottled and stored at 18 ± 1 C. Seventy days after bottling the
chemical and sensory characteristics of the wine samples were
determined.