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. 2020 May 4;15(5):e0232233. doi: 10.1371/journal.pone.0232233

Fig 4. Metabolome analysis of Tyr-Trp vs. Tyr-Tyr.

Fig 4

(a) Score plot of orthogonal projections to latent structure discriminant analysis and (b) loading S-plot of orthogonal projections to latent structure discriminant analysis derived from liquid chromatography–mass spectrometry/mass spectrometry data sets (Tyr-Trp vs. Tyr-Tyr).