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. 2013 Sep 23;8(9):e73087. doi: 10.1371/journal.pone.0073087

Figure 2. Principal component analysis.

Figure 2

Control and diabetic pigs were either fed a healthy Mediterranean diet or a cafeteria diet differing mainly in fatty acid composition. Plasma protein profiles were determined with a SELDI-TOF equipment and analyzed in relation to physiological parameters. Example of the principal component analysis of peaks showing differential expression between the groups of animals: peak M/Z 6623, CM10, pH 7, fraction 3; ▴: Control Mediterranean diet, ♦: Control Cafeteria diet, •: Diabetes Mediterranean diet, ▪: Diabetes cafeteria diet.