Figure 5.

Relative quantitative ratio (Ex-GF/GF value) comparisons of 38 metabolites between GF mice and Ex-GF mice, colonic luminal content, cardiac plasma, and the cerebrum. Metabolites shown in red have similar Ex-GF/GF ratios between the colonic lumen, cardiac plasma, and the cerebrum. Metabolites shown in blue are below the detection limit in cardiac plasma, but were detected in the cerebrum. ^#These metabolites differed in Ex-GF/GF ratios between the cerebrum and cardiac plasma. *p < 0.05, **p < 0.01, ***p < 0.001 (GF vs. Ex-GF). ND, not detected.