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Table 3 Assignment table of the identified metabolites present in the 1H–NMR spectra of colostrum

From: Metabolomics characterization of colostrum in three sow breeds and its influences on piglets’ survival and litter growth rates

Assigned number 1H chemical shift, ppma Compound
1 1.332 (d) Lactate
2 1.486 (d) Alanine
3 1.923 (s) Acetate
4 2.028 (s) N-Acetylglutamate
5 2.063 (s) N-Acetylglucosamine
6 2.089 (s) - 5.552(dd) - 5.967 (d) - 7.944 (d) - 8.287 (d) UDP-N-Acetylglucosamine
7 2.147 (s) -3.222 (s) O-Acetylcholine
8 2.408 (s) Succinate
9 2.539 (d) - 2.667 (d) Citrate
10 2.720 (s) Dimethylamine
11 3.039 (s) Creatine
12 3.046 (s) Creatine phosphate
13 3.050 (s) Creatinine
14 3.119 (d) - 5.712 (m) cis-Aconitate
15 3.204 (s) Choline
16 3.231(s) - 4.330 (m) sn-Glycerophosphocholine
17 3.272(t) - 3.532 (dd) - 4.073 (t) Myo-Inositol
18 3.259 (t) - 3.428 (t) Taurine
19 3.302 (t) -3.684:3.906 (m), 3.980 (d) 4.461 (d) - 4.679 (d) - 5.243 (d) Lactose
20 3.480 (s) - 4.142:4.278 (m) -5.607 (dd) -5.967 (m) -7.940 (d) UDP-glucose
21 3.935 (s) Glycolate
22 4.142:4.278 (m) - 4.379 (m) - 5.664 (dd)- 5.990 (m) - 7.942 - 7.995(d) UDP-galactose
23 5.917 (d) - 7.879 (d) Uridine
24 8.406 (s) Formate
25 4.423 (t) - 5.990 (m) - 8.102 (d) UMP
  1. The assignments were obtained at pH 7.420. Chemical shift values are referenced to TMSP proton signals at 0.00 ppm. Glycerol (3.568, 3.661 and 3.793 ppm has not been listed as it has not been included in the PCA)
  2. ad, doublet; dd, doublet of doublets; m, multiplet; s, singlet; t, triplet