2.5. Preliminary sensory analysis
The aromatic profile of the wines was established through an
expert tasting panel of five expert tasters from the collaborating winery with a level of similar qualification (norm UNE 87-017-92,
equivalent to norm ISO 6564:1985, AENOR, 1997). This test was
carried out to obtain sensory information that could be related with
the differences among traditionally produced and fermented
wines. The method of consensus was used, in which the tasters
worked in group, led by one of them, to reach a unanimous
description of the aromatic properties of the wines. Six descriptors
(dried fruit, dry stem, green, fresh fruit, sweetness and acidity)
were chosen to describe the wines. Taster gave a score of 1e5 an
increasing order of perceived intensity.
Wines were served in black glasses of 200 cm3 filled with
50 cm3 of wine at 18 C. All the samples were tested in one session.