Fig. 3

Baicalin regulated ileal metabolism disrupted by E. coli infection (n = 8). A PLS-DA analysis. B Expression profile and VIP analysis of metabolites for CON and E. coli group. C Compounds classification analysis of differential metabolites for E. coli vs. CON group. D Schematic diagram of metabolism and transformation processes of eicosanoids and glycerol phospholipid. E KEGG pathway enrichment topology analysis for differential metabolites of E. coli vs. CON group. F Expression profile and VIP analysis of metabolites for BL + E. coli and E. coli group. G Compounds classification analysis of differential metabolites for differential metabolites of BL + E. coli vs. E. coli group. H KEGG pathway enrichment topology analysis for differential metabolites of BL + E. coli vs. E. coli group. I Fold change of amino acids, carboxylic acids, eicosanoids, monosaccharides, and phospholipids for E. coli vs. CON group and BL + E. coli vs. E. coli group. * means P < 0.05, ** means P < 0.01, *** means P < 0.001