Fig. 3: Differentially element analysis between Alaskan salmon, Icelandic farmed salmon, Icelandic wild salmon, Norwegian salmon, and Scottish salmon.
From: Data fusion and multivariate analysis for food authenticity analysis
a Score plot of the PCA identified elements in five salmon groups. b OPLS-DA for discrimination of salmon geographical origins. c Heatmap of the Alaskan salmon, Icelandic farmed salmon, Icelandic wild salmon, Norwegian salmon, and Scottish salmon, 20 elements are indicated above the heatmap.
