| Periods* | Group I | Group II |
| Urinary adrenaline µg/L | ||
| P2 | 513 ± 127† | 461 ± 183 |
| P4 | 631 ± 125 | 795 ± 287 |
| Urinary nitrogen g/hour | ||
| P1 | 0.56 ± 0.12 | 0.67 ± 0.12 |
| P2 | 0.63 ± 0.13 | 0.95 ± 0.20 |
| P3 | 0.58 ± 0.08 | 0.49 ± 0.09 |
| P4 | 0.39 ± 0.05 | 0.39 ± 0.09 |
| Nitrogen balance g/hour | ||
| P1 + P2 + P3 | −0.59 ± 0.09 | −0.25 ± 0.08 (P < 0.05) |
| Total nitrogen intake | 0 | 8 grams |