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Multivariate data analysis of the nuclear magnetic resonance spectra. (A) Principal component analysis (PCA) (R2X = 0. 643, Q2 = 0.139) and (B) projection to latent structure-discriminant analysis (PLS-DA) score plots (R2X = 0.251, R2Y = 0.897, Q2 = 0.138) based on the 1D nuclear magnetic resonance (NMR) spectra of the urine obtained from urinary metabolites from the control (black triangles) and saccharicterpenin (red circles) groups.
