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Principal component analysis (PCA) of physical and chemical variables of calafate berry extracts. P, polar diameter; Eq, equatorial diameter; W, weight; L, *a, *b CIEL*a*b* components; dE, ΔE; TSS, total soluble solids; AT, Sum of individual anthocyanins; T, temperature; rad, maximum radiation per day. (a) PCA of variables. (b) PCA of individuals.
