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. 2022 Jul 8;13:915935. doi: 10.3389/fphar.2022.915935

FIGURE 2.

FIGURE 2

Orthogonal partial least squares discriminant analysis (OPLS-DA) score plots and random permutation tests of the non-polar metabolites. (A) Score plots of polar metabolites for positive ion mode; (B) polar metabolites for negative ion mode; (C) non-polar metabolites for positive ion mode; (D) non-polar metabolites for negative ion mode.