Table 2.
Mean biomarker levels and dietary factors at baseline and 16 wk
| Control Group (n =22) |
ALED-I Group (n =19) | |||||
|---|---|---|---|---|---|---|
| Baseline | Post-16-wk intervention | P‡ | Baseline | Post-16-wk intervention | P‡ | |
| Catalase, nmol·min−1·ml−1* | 1.61±0.04 | 1.75±0.04 | 0.07 | 1.34±0.14 | 1.56±0.11 | 0.07 |
| CRP, mg/l* | 0.29±0.08 | 0.30±0.09 | 0.91 | 0.27±0.11 | 0.29±0.10 | 0.63 |
| Myeloperoxidase, ng/ml* | 1.55±0.06 | 1.60±0.07 | 0.46 | 1.59±0.08 | 1.48±0.07 | 0.84 |
| Superoxide dismutase, U/ml* | −1.21±0.05 | −1.24±0.04 | 0.51 | −1.26±0.04 | −1.20±0.03 | 0.09 |
| Total antioxidant capacity, μmol/l | 307.9±8.2 | 311.6±8.2 | 0.78 | 295.1±9.0 | 315.4±8.9 | 0.18 |
| Carbohydrate, % of dietary intake† | 45.9±1.6 | 44.2±1.8 | 0.39 | 50.0±1.5 | 48.1±1.5 | 0.27 |
| Fat, % of dietary intake† | 37.0±1.7 | 37.5±1.8 | 0.81 | 33.1±1.4 | 33.6±1.5 | 0.70 |
| Protein, % of dietary intake† | 17.1±1.0 | 17.9±1.3 | 0.51 | 16.0±1.0 | 17.6±1.4 | 0.07 |
| Vitamin A, RE† | 817.4±131.3 | 725.7±111.7 | 0.49 | 750.0±117.5 | 688.0±128.3 | 0.71 |
| Beta-carotene, μg† | 491.8±420.9 | 428.0±398.9 | 0.89 | 481.6±376.5 | 473.6±306.4 | 0.72 |
| Vitamin C, mg† | 58.1±10.0 | 73.4±9.0 | 0.48 | 81.0±9.1 | 57.4±12.3 | 0.51 |
| Vitamin E, mg† | 4.9±1.6 | 4.5±1.5 | 0.73 | 7.1±1.4 | 7.9±1.7 | 0.82 |
| Alpha-tocopherol, mg† | 0.3±0.3 | 0.6±0.3 | 0.07 | 0.9±0.2 | 0.5±0.2 | 0.06 |
Values are means ± SE. CRP, C-reactive protein; RE, retinol equivalents (equivalent to micrograms).
*
Log10 values.
†
n = 28 participants (ALED-I group, n =15; control group, n =13).
‡
Statistical level within group (baseline to postintervention).