Research Article

Age-Related Responses in Circulating Markers of Redox Status in Healthy Adolescents and Adults during the Course of a Training Macrocycle

Table 2

Mean daily energy intake (mean ± SD).

AdolescentsAdults
Trained ()Control ()Trained ()Control ()

Energy (Kcal)
 Baseline2,269.8 ± 259.72,065.1 ± 213.62,896.7 ± 351.22,607.4 ± 309.8
 Midseason2,312.5 ± 271.32,091.0 ± 238.42,836.7 ± 346.92,626.3 ± 292.7
 End-season2,334.4 ± 265.92107.2 ± 243.32,827.5 ± 319.32,355.4 ± 326.1
Carbohydrates (% energy)
 Baseline62.4 ± 4.661.6 ± 5.961.8 ± 6.4 58.9 ± 9.7
 Midseason61.1 ± 6.162.3 ± 7.562.5 ± 7.959.8 ± 10.4
 End-season61.7 ± 5.260.6 ± 8.360.9 ± 8.159.1 ± 8.8
Fat (% energy)
 Baseline22.4 ± 3.824.0 ± 4.523.4 ± 3.526.7 ± 6.2
 Midseason23.1 ± 3.222.9 ± 3.621.8 ± 3.025.4 ± 5.5
 End-season22.2 ± 4.325.2 ± 5.123.8 ± 4.226.2 ± 5.1
Protein (% energy)
 Baseline15.2 ± 1.614.4 ± 1.814.8 ± 2.814.4 ± 2.6
 Midseason15.8 ± 2.114.8 ± 1.715.7 ± 2.314.8 ± 1.7
 End-season16.1 ± 2.414.2 ± 1.515.3 ± 1.914.7 ± 1.4
Vitamin A (ug, RE)*
 Baseline724.1 ± 196.7755.2 ± 214.8794.1 ± 246.3785.2 ± 263.6
 Midseason752.8 ± 182.9773.0 ± 230.4805.2 ± 276.3793.7 ± 253.1
 End-season744.5 ± 213.0771.2 ± 209.1801.1 ± 283.4810.6 ± 25.9
Vitamin C (mg)
 Baseline92.5 ± 15.190.8 ± 19.6109.7 ± 23.7108.3 ± 21.3
 Midseason93.1 ± 18.288.4 ± 19.4111.4 ± 28.1106.8 ± 24.9
 End-season90.6 ± 17.691.9 ± 18.5108.2 ± 30.6100.5 ± 26.8
Vitamin E (mg, a-TE)
 Baseline6.9 ± 2.77.3 ± 2.27.1 ± 3.07.5 ± 2.6
 Midseason7.2 ± 3.67.0 ± 4.17.4 ± 3.87.7 ± 3.3
 End-season6.8 ± 3.47.1 ± 3.97.3 ± 3.5 7.6 ± 4.1
Selenium (ug)
 Baseline75.8 ± 16.277.9 ± 14.681.3 ± 20.583.4 ± 21.6
 Midseason79.3 ± 24.875.6 ± 22.584.2 ± 23.380.9 ± 20.8
 End-season76.7 ± 22.181.2 ± 33.782.7 ± 28.084.4 ± 26.3

RE: retinol equivalents; a-TE: alpha-tocopherol equivalents.