Fig. 1. Principal component analysis (PCA) of hydrophlic extracts of different blueberry cultivars. Percentages of four products and two harvests, (a) Graph of scores for PC1
(factor 1) and PC2 (factor 2), differences between classes (producers); (b) Graph of loadings for PC1 (factor 1) and PC2 (factor 2); (c) Graph of scores for PC3 (factor 3) and PC4
(factor 4); (d) Graph of loadings for PC3 (factor 3) and PC4 (factor 4); (e) Graph of scores for PC1 (factor 1) and PC2 (factor 2), differences between class (harvest).
⁄PhC = Phenolic compounds.