Table 3.
Seasonal changes in food weight, energy, and nutrient intakes.
| Winter | Spring | Summer | |
|---|---|---|---|
| TFW (g) | 1731 ± 516 | 1642 ± 394 | 1580 ± 485 |
| Amount of drinking (g) | 655 ± 343 | 638 ± 333 | 693 ± 298 |
| Food weight (g) | 1076 ± 306 b | 1004 ± 248 | 886 ± 266 b |
| TEI (kcal) | 1782 ± 436 a, b | 1497 ± 335 a, c | 1331 ± 285 b, c |
| Protein (g) | 62.7 ± 19.0 b | 54.2 ± 15.3 | 48.4 ± 14.0 b |
| Fat (g) | 63.1 ± 17.8 a, b | 50.4 ± 14.9 a | 44.2 ± 16.4 b |
| Carbohydrate (g) | 232.0 ± 64.6 b | 199.6 ± 47.3 | 179.7 ± 39.0 b |
| P ratio (%) | 14.0 ± 2.8 | 14.5 ± 2.5 | 14.5 ± 2.6 |
| F ratio (%) | 31.2 ± 5.9 | 29.9 ± 4.5 | 28.2 ± 8.5 |
| C ratio (%) | 52.7 ± 7.3 | 53.7 ± 5.6 | 54.9 ± 8.3 |
| Histidine (mg) | 1659 ± 587 b | 1456 ± 488 | 1301 ± 496 b |
| Histidine (mg/g protein) | 26.2 ± 3.3 | 26.8 ± 3.4 | 26.4 ± 4.6 |
| Histidine (mg/kcal) | 0.92 ± 0.24 | 0.98 ± 0.23 | 0.97 ± 0.29 |
| Means ± S.D. (n = 28) | |||
TFW, Total food weight including drinks; TEI, Total energy intake; P ratio, protein energy ratio, percentage of energy intake from protein; F ratio, fat energy ratio, percentage of energy intake from fat; C ratio, carbohydrate energy ratio, percentage of energy intake from catbohydrarte; Bonferroni, a, b, c Means with a common superscript letter are significantly different, p < 0.05.