Table 2.
Stroop test results when comparing maltodextrin (placebo) versus glutamine dipeptide (GDP) supplementation before and after an acute resistance training session (n = 10). Values expressed as mean ± and standard deviation.
| Placebo | GDP | Effects | F | P | |
|---|---|---|---|---|---|
| T_latency: A-B (seconds) | ANOVA | ||||
| Pre | 1.6 ± 3.7 | 2.3 ± 3.2 | Supplement | 0.01 | 0.93 |
| Post | 2.6 ± 2.0 | 2.1 ± 2.1 | Time | 0.34 | 0.57 |
| Supplement × time | 0.97 | 0.34 | |||
| T_latency: B-C (seconds) | ANOVA | ||||
| Pre | 7.0 ± 7.1 | 7.9 ± 7.0 | Supplement | 0.05 | 0.83 |
| Post | 5.2 ± 4.7 | 3.3 ± 3.1 | Time | 11.60 | <0.01 |
| Supplement × time | 0.97 | 0.34 | |||
| T_latency: A-C (seconds) | ANOVA | ||||
| Pre | 8.6 ± 7.5 | 10.2 ± 6.2 | Supplement | 0.03 | 0.87 |
| Post | 7.7 ± 5.3 | 5.4 ± 3.6∗ | Time | 13.44 | <0.01 |
| Supplement × time | 6.28 | 0.02 | |||
| Card: A (seconds) | ANOVA | ||||
| Pre | 15.2 ± 3.6 | 15.2 ± 1.9 | Supplement | 0.49 | 0.49 |
| Post | 13.2 ± 2.0 | 14.5 ± 1.8 | Time | 8.02 | 0.01 |
| Supplement × time | 1.41 | 0.25 | |||
| Card: B (seconds) | ANOVA | ||||
| Pre | 16.8 ± 3.8 | 17.6 ± 3.7 | Supplement | 0.29 | 0.60 |
| Post | 15.6 ± 3.3 | 16.5 ± 2.8 | Time | 7.18 | 0.01 |
| Supplement × time | 0.01 | 0.98 | |||
| Card: C (seconds) | ANOVA | ||||
| Pre | 23.8 ± 9.4 | 25.5 ± 7.5 | Supplement | 0.01 | 0.93 |
| Post | 20.9 ± 6.4 | 19.8 ± 4.9 | Time | 25.59 | <0.01 |
| Supplement × time | 2.66 | 0.12 | |||
∗ P < 0,01 versus Pre; T_latency = Time of Latency.