| (bar) | (˚C) | N-CBZ Valine | N-CBZ Proline | N-CBZ Aspartic Acid |
| Gordillo, 1999 | % AARD | 0.245 | 1.067 | 1.144 |
| R square | 0.997 | 0.976 | 0.965 | |
| Standard Error | 0.0369 | 0.1448 | 0.1705 | |
| Yu, 1994 | % AAD | 2.04 | 8.17 | 10.96 |
| R square | 0.997 | 0.989 | 0.979 | |
| Standard Error | 4.06 × 10−6 | 3.23 × 10−5 | 2.74 × 10−5 |