Skip to main content

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 starch 1

From: Dietary resistant starch dose-dependently reduces adiposity in obesity-prone and obesity-resistant male rats

  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. 1 Values are means ± SEM. Labelled means without a common letter differ, P < 0.05.
  2. 2n=8 obesity-prone and n=8 obesity-resistant rats.
  3. 3 Measured after rats were fed the RS diets for 2 wk.
  4. 4 Measured after rats were fed the RS diets for 4 wk.
  5. 5 Final body weight corrected = body weight – full caecum weight.
  6. 6 n=8 (n=4 obesity-prone and n=4 obesity-resistant rats per group).
  7. 7 Obesity-prone 368 ± 8 kJ/d, Obesity-resistant 345 ± 6 kJ/d.
  8. 8 Obesity-prone 502 ± 7 g, Obesity-resistant 445 ± 6 g.
  9. 9 Obesity-prone 497 ± 7 g, Obesity-resistant 441 ± 6 g.
  10. 10 Obesity-prone 7.0 ± 0.2%, Obesity-resistant 6.1 ± 0.2%.