2.3. Samples and sample preparation
The wine samples were obtained from eight different regions of
Brazil. All samples were produced specially for this work, using
C. sauvignon grapes, harvested in 2009. This provides more
relevance to this study, since there is a guarantee regarding the
origin of the samples. This, however, cannot be assured when
evaluating samples of commercial wines. A total of 32 wine
samples from eight regions of the south and the northeast of
Brazil, as specified in Table 3, were evaluated. The location of the
seven wine-growing areas in the south of Brazil is shown in Fig. 1;
it should be noted that the distance between area 1 and area 7