Profiles of Sugar and Organic Acid of Fruit Juices: A Comparative Study and Implication for Authentication

Figure 1

Score plots of PC1 vs. PC2 obtained with all analyzed samples used as analytical data for PCA: (a) sugar content; (b) sugar content combined with Fru/Glu; (c) organic acid content; (d) organic acid content combined with malic/citric; (e) sugar content combined with organic acid content.

(a)

(b)

(c)

(d)

(e)