Table 2.
Twenty-four hour intakes1 of 18 women who were served manipulated lunch and dinner entrées in a crossover study to test the effects of protein content within commonly consumed amounts on energy intake
| Protein content of lunch and dinner entrées (% energy) |
|||||
|---|---|---|---|---|---|
| 10% | 15% | 20% | 25% | 30% | |
| mean±standard error | |||||
| Energy (kcal/d) | 1870 ± 93 | 1887 ± 93 | 1848 ± 111 | 1876 ± 100 | 1807 ± 98 |
| Food weight (g/d) | 1391 ± 73 | 1410 ± 71 | 1383 ± 82 | 1441 ± 79 | 1337 ± 74 |
| Fat (g/d) | 58.2 ± 2.8 | 58.2 ± 3.0 | 57.2 ± 3.5 | 57.4 ± 3.3 | 55.5 ± 3.3 |
| Carbohydrate (g/d) | 308.0 ± 15.7a2 | 300.8 ± 14.6a | 284.0 ± 17.0ab | 278.7 ± 13.9ab | 261.6 ± 13.5b |
| Protein (g/d) | 43.9 ± 2.4a | 55.5 ± 3.2b | 65.0 ± 4.4c | 77.4 ± 5.0d | 81.7 ± 5.5d |
| Protein (g/kg/d) | 0.7 ± 0.04a | 0.9 ± 0.05b | 1.0 ± 0.07c | 1.2 ± 0.08d | 1.3 ± 0.08d |
| Protein (% energy) | 9 ± 0.1a | 11 ± 0.2b | 14 ± 0.2c | 16 ± 0.3d | 17 ± 0.4e |
| Fiber (g/d) | 24.8 ± 1.3a | 24.8 ± 1.2a | 23.8 ± 1.3ab | 23.5 ± 1.2ab | 21.3 ± 1.1b |
| Energy density (kcal/g)3 | 1.35 ± 0.02 | 1.34 ± 0.02 | 1.34 ± 0.02 | 1.31 ± 0.02 | 1.36 ± 0.03 |
1
24-hour intake includes lunch, dinner, evening snack and breakfast on day 2.
2
Means in the same row with different letters are significantly different (p<0.05).
3
Dietary energy density was determined using foods only; beverages were not included (24).