Table 1.
Tentative annotation of selected masses.
| Nr. | m/z | ID | Adduct | Error (ppm) | ID level |
|---|---|---|---|---|---|
| X14 | 104.107 | Choline | H+ | 6 | 3 |
| X23 | 116.071 | Proline | H+ | 1 | 2 |
| X32 | 123.055 | Nicotinamide | H+ | 1 | 2 |
| X44 | 133.061 | L-Asparagine | H+ | 2 | 2 |
| X53 | 142.026 | Dimethylglycine | K+ | 3 | 2 |
| X59 | 146.996 | NA | — | — | 4 |
| X66 | 149.063 | Glutamate | H+ | 1 | 2 |
| X113 | 184.073 | 3-Dehydroxycarnitine | K+ | 1 | 3 |
| X166 | 218.138 | Propionylcarnitine | H+ | 1 | 3 |
| X225 | 249.045 | Unknown peptide | H+ | — | 4 |
| X243 | 258.110 | Glycerophosphocholine | H+ | 1 | 3 |
| X254 | 263.086 | Hydroxysebacate | 2Na-H | 3 | 3 |
| X265 | 268.104 | Adenosine | H+ | 1 | 3 |
| X292 | 280.092 | Glycerophosphocholine | Na+ | 1 | 3 |
| X489 | 382.189 | Unknown peptide | — | — | 4 |
| X491 | 383.101 | NA | — | — | — |
| X494 | 385.175 | NA | — | — | — |
| X502 | 388.269 | NA | — | — | — |
| X525 | 415.224 | NA | — | — | — |
| X579 | 459.249 | NA | — | — | — |
| X586 | 470.241 | NA | — | — | — |