Fig. 2From: Aspirin eugenol ester regulates cecal contents metabolomic profile and microbiota in an animal model of hyperlipidemiaMultivariate data analyses of cecal contents based on UPLC-Q-TOF/MS analysis. ESI+: electrospray ionization in positive ion mode; ESI-: electrospray ionization in negative ion mode. a and b PLS-DA score plots in positive and negative modes. ESI+: R2X = 0.441, R2Y = 0.937, Q2 = 0.497; ESI-: R2X = 0.502, R2Y = 0.874, Q2 = 0.674. c and d Plots of the permutation test of the PLS-DA models. ESI+: R2 = 0.375, Q2 = − 0.211; ESI-: R2 = 0.272, Q2 = − 0.279. e and f Loading plots of the PLS-DA modelsBack to article page