Table 3.
Diet and energy intakes, body weight, liver weight and fat content of obesity-prone and obesity-resistant rats consuming diets with different levels of resistant starch1
| |
Resistant starch (RS), % of diet weight |
Main Effects (P-value) |
||||||
|---|---|---|---|---|---|---|---|---|
| 0% | 4% | 8% | 12% | 16% | RS | Phenotype | RS x Phenotype | |
| Gross energy intake2,3, kJ/d |
378 ± 12 |
364 ± 7 |
355 ± 12 |
345 ± 12 |
338 ± 10 |
0.076 |
0.0187 |
0.857 |
| Final body weight2,4, g |
485 ± 15 |
465 ± 12 |
445 ± 18 |
474 ± 11 |
461 ± 14 |
0.136 |
0.00018 |
0.692 |
| Final body weight corrected2,4,5, g |
483 ± 15 |
462 ± 12 |
437 ± 18 |
467 ± 12 |
449 ± 13 |
0.06 |
0.00019 |
0.724 |
| Liver wt2,4, %BW |
3.19 ± 0.08 c |
3.15 ± 0.03 bc |
3.02 ± 0.05 ab |
3.04 ± 0.05 bc |
2.83 ± 0.07 a |
0.0001 |
0.126 |
0.056 |
| Liver fat content6, % | 6.4 ± 0.4 | 6.4 ± 0.3 | 6.3 ± 0.1 | 6.5 ± 0.4 | 6.6 ± 0.4 | 0.764 | 0.01010 | 0.613 |
1 Values are means ± SEM. Labelled means without a common letter differ, P < 0.05.
2n=8 obesity-prone and n=8 obesity-resistant rats.
3 Measured after rats were fed the RS diets for 2 wk.
4 Measured after rats were fed the RS diets for 4 wk.
5 Final body weight corrected = body weight – full caecum weight.
6 n=8 (n=4 obesity-prone and n=4 obesity-resistant rats per group).
7 Obesity-prone 368 ± 8 kJ/d, Obesity-resistant 345 ± 6 kJ/d.
8 Obesity-prone 502 ± 7 g, Obesity-resistant 445 ± 6 g.
9 Obesity-prone 497 ± 7 g, Obesity-resistant 441 ± 6 g.
10 Obesity-prone 7.0 ± 0.2%, Obesity-resistant 6.1 ± 0.2%.