Table III.
Identified biomarkers from the three groups.
| Compound | 1H-nuclear magnetic resonance spectra (ppm) | Variable importance |
|---|---|---|
| L-lactic acid | 4.28 | 1.948 |
| Fructose | 4.02 | 1.276 |
| L-Serine | 3.96 | 1.274 |
| Tyrosine | 3.95 | 1.034 |
| L-Alanine | 3.76 | 1.361 |
| L-Threonine | 3.59 | 1.131 |
| Betaine | 3.26 | 1.273 |
| Choline | 3.19 | 1.503 |
| Creatinine | 3.10 | 1.059 |
| Creatine | 3.06 | 1.829 |
| Putrescine | 3.04 | 2.206 |
| Aspartate | 2.81 | 1.169 |
| Methionine | 2.64 | 1.592 |
| Pyruvic acid | 2.46 | 1.170 |
| Glutamine | 2.45 | 1.206 |
| L-glutamine | 2.44 | 1.177 |
| Succinate | 2.39 | 1.569 |
| L-glutamic acid | 2.32 | 1.642 |
| 4-Aminobutyrate | 2.28 | 1.532 |
| L-Valine | 2.27 | 1.438 |
| Low-density lipoprotein | 1.47 | 1.135 |
| Citric acid | 2.53 | 1.859 |
| Glutamic acid | 2.12 | 1.125 |
| Acetic acid | 1.91 | 1.478 |
| Acetate | 1.90 | 1.166 |
| Ornithine | 1.82 | 1.329 |