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. 2021 Jul 14;12:712614. doi: 10.3389/fimmu.2021.712614

Figure 3.

Figure 3

Effects of GOS/inulin supplementation on the concentrations of amniotic fluid metabolites. (A) Two-dimensional PCA score plot of 1H NMR integrated spectra of amniotic fluid samples (circle: control, n = 8; triangle: supplementation, n = 8). (B) Two-dimensional PLS-DA score plot of OSC-filtered and Pareto-scalde 1H NMR integrated spectra of amniotic fluid samples (circle: control, n = 8; triangle: supplementation, n = 8). (C) Boxplot of discriminant (VIP ≥ 1.0) and significant (FDR-corrected p-value ≤ 0.05) features: comparison of the median concentrations of butyrate and acetate between the control (white) and prebiotic-supplemented (gray) groups. (D) Table of discriminant metabolites in the amniotic fluid of dams fed a control or prebiotic diet. **p < 0.01.