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. 2022 Jul 8;5:680. doi: 10.1038/s42003-022-03602-7

Fig. 5. EE intake alters neurotransmitter levels and their associated microbiome.

Fig. 5

a The levels of neurotransmitters in hippocampus and colon. Values are expressed as the mean ± SD (n = 5). Statistical analyses were conducted using the one-way ANOVA followed by Tukey’s post hoc test, *p < 0.05, **p < 0.01. b Correlation analysis among neurotransmitters in hippocampus and gut microbiota. Spearman’s correlation analysis was performed by data of the Model group and EE group.