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Table 3 List of metabolites identified in the metabolomic analysis a

From: Plasma metabolomic profiles and immune responses of piglets after weaning and challenge with E. coli

Metabolites Retention time, min m/z Mass accuracy, ppm Fold changeb Up/down P valuec FDR q valuec
L-Proline/D-Proline 9.81 116.0702 3.45 1.35 0.0035 0.0046
Betaine 10.93 118.0857 5.08 1.60 <0.0001 <0.0001
Taurine 7.15 126.0225 4.76 1.49 0.0003 0.0005
Creatine 9.99 132.0760 6.06 3.35 0.0002 0.0003
Carnitine 10.78 162.1116 5.55 1.45 <0.0001 <0.0001
L-Arginine 11.02 175.1177 7.42 1.82 <0.0001 <0.0001
Acetylcarnitine 10.71 204.1218 5.88 1.24 0.0003 0.0005
LysoPC 14:0 9.49 468.3054 6.62 3.04 <0.0001 <0.0001
LysoPC 16:1 9.39 494.3207 6.88 1.95 <0.0001 <0.0001
LysoPC 16:0 9.31 496.3357 8.26 1.20 <0.0001 <0.0001
LysoPC 16:0 [M + Na]+ 9.32 518.3171 8.87 1.19 0.0015 0.0021
LysoPC 18:2 9.31 520.3351 9.03 1.90 <0.0001 <0.0001
LysoPC 18:0 9.07 524.3667 8.39 1.10 0.0428 0.0397
LysoPC 17:0 [K + Na]+ 9.17 548.3095 3.28 1.40 <0.0001 <0.0001
UI PC 8.20 678.5028 5.90 19.75 <0.0001 <0.0001
UI PC 8.05 758.5608 11.34 1.43 <0.0001 <0.0001
UI PC 7.78 810.5916 11.23 1.31 <0.0001 <0.0001
UI PC [M + Na]+ 7.75 834.5922 7.31 1.26 0.0001 0.0003
  1. aDiscriminating between day 0 and day 4 postweaning. bFold change was calculated by dividing the mean intensity of each plasma metabolite on day 4 postweaning by the mean intensity of the same plasma metabolite on day 0, calculated automatically by the XCMS Online system. cP values and FDR q values were calculated automatically by the XCMS Online system. UI, unidentified; PC, phosphatidylcholine; LysoPC, lysophosphatidylcholine; , increased; , decreased.