Table 2.
Fe(II)-binding activity and peptide concentration of different fractions obtained from collagen peptides of four fish scales fractionated by HiTrap Q column.
| Fish scales | Fe binding (ppm) | Peptide concentration (mg/mL) | Fe/peptide (ppm/mg) |
|---|---|---|---|
| Lates calcarifer | |||
| Q-1 | 0 | ND | ND |
| Q-2 | 10.5 ± 0.21a | 0.8 | 14.0 |
| Q-3 | 5.5 ± 0.14 | 1.2 | 4.5 |
| Mugil cephalus | |||
| Q-1 | 0 | ND | ND |
| Q-2 | 11.3 ± 0.14 | 7.8 | 1.4 |
| Q-3 | 10.8 ± 1.39 | 0.9 | 11.7 |
| Q-4 | 13.8 ± 0.45 | 1.0 | 13.8 |
| Chanos chanos | |||
| Q-1 | 0 | ND | ND |
| Q-2 | 15.9 ± 0.61 | 4.5 | 3.5 |
| Q-3 | 12.2 ± 0.83 | 0.6 | 22.1 |
| Q-4 | 15.9 ± 1.27 | 0.9 | 17.6 |
| Q-5 | 14.0 ± 0.85 | 1.0 | 14.4 |
| Oreochromis spp | |||
| Q-1 | 0 | ND | ND |
| Q-2 | 12.9 ± 0.56 | 5.2 | 2.3 |
| Q-3 | 6.6 ± 0.42 | 0.8 | 8.3 |
| Q-4 | 13.2 ± 1.18 | 0.9 | 14.3 |
| Q-5 | 4.2 ± 0.25 | 0.9 | 4.9 |
a
Mean ± standard deviation, n = 3.