| Labeled compounds | HCl concentration (%) | |
| 0.3 - 0.5 | 2.0 - 2.5 | |
| PES | 19.1 | 4.4 |
| Sucrose | 48.7 | 10.5 |
| Hexoses | 0.9 | 50.9 |
| Alanine | 6.8 | 8.3 |
| Other compounds | 24.5 | 25.9 |
| Sucrose/hexoses | 54.1 | 0.21 |