Table 6.
The retention time and m/z value for amino acid derivatives.
| Variable | Retention time | m/z value |
|---|---|---|
| Aminoadipic acid (AAA) | 15.7600 | 332.2054 |
| Arginine (Arg) | 7.7200 | 303.2037 |
| a-Aminoisobutyric acid (ABA) | 15.0100 | 333.1814 |
| Glycine (Gly) | 10.3800 | 204.1232 |
| Histidine (His) | 13.9900 | 370.1988 |
| 4-Hydroxyproline (hPro) | 9.7900 | 260.1485 |
| Leucine (Leu) | 16.0800 | 260.1848 |
| Isoleucine (Ile) | 16.1300 | 130.0864 |
| Lysine (Lys) | 13.0700 | 361.1872 |
| 3-Methyl-histidine (mHis) | 7.2600 | 298.1772 |
| Ornithine (Orn) | 13.4800 | 347.2164 |
| Phenylalanine (Phe) | 15.8800 | 294.1694 |
| Sarcosine (Sarc) | 11.6200 | 218.1393 |
| Serine (Ser) | 15.8900 | 234.1100 |
| Threonine (Thr) | 10.1100 | 248.1886 |
| Tyrosine (Tyr) | 17.6900 | 396.2036 |
| Citruline (Cit) | 8.9600 | 304.1861 |
| Asparagine (Asn) | 10.8300 | 243.1332 |
| Glutamine (Gln) | 8.7200 | 275.1624 |
| Tryptophan (Trp) | 15.0100 | 333.1800 |
| Aminopimelic acid (APA) | 17.1400 | 346.1354 |
| Glycine-proline (dipeptide) (Gly-Pro) | 10.4700 | 301.1760 |
| Thioproline (tPro) | 13.8100 | 262.1129 |
Data are presented as the actual retention time expressed in minutes and mass-to-charge number of ions, m/z, mass-to-charge ratio.