The two principal components (PC1 and PC2) explain 69% of the
variance in the data. The third and fourth principal components
have a high contribution due to the b-carotene/linoleic acid assay
and total phenolic compounds (Fig. 1(d), making it possible to distinguish
between hydrophilic extracts by producer 1, from the city
of Campestre da Serra (Fig. 1(c).