TABLE 2.
Body composition
| Diet | Week 4 | Week 8 | Week 12 | Week 16 | Week 20 |
| Fat mass (g) | |||||
| AIN-76A | 1.4 ± .18a | 4.4 ± .17b | 5.0 ± .41b& | 5.1 ± .40b& | 5.9 ± .57b& |
| AIN-76A Mod | 1.7 ± .15a | 4.6 ± .20b | 5.7 ± .58b& | 6.4 ± .70b& | 6.2 ± .71b& |
| 6%-SF | 1.4 ± .12a | 4.7 ± .34b | 7.4 ± .80c&# | 11.9 ± 1.3d#^ | 14.8 ± 1.3de# |
| 12%-SF | 1.5 ± .12a | 5.1 ± .46b | 8.7 ± .61c# | 13.3 ± .84d^ | 16.8 ± .94e^ |
| 24%-SF | 1.3 ± .16a | 4.8 ± .45b | 7.0 ± .76c&# | 10.5 ± .86d# | 13.7 ± .87e# |
| Lean mass (g) | |||||
| AIN-76A | 9.5 ± .69a | 16.9 ± .51b | 18.3 ± .56c | 19.0 ± .70c&# | 19.7 ± .55c& |
| AIN-76A Mod | 10.4 ± .67a | 17.0 ± .52b | 18.6 ± .56c | 19.1 ± .60c& | 20.1 ± .56c& |
| 6%-SF | 10.5 ± .69a | 17.4 ± .41b | 19.4 ± .51c | 21.1 ± .50d#^ | 22.3 ± .65d# |
| 12%-SF | 10.6 ± .74a | 17.7 ± .64b | 20.5 ± .69c | 21.7 ± .74c^ | 24.0 ± .85d# |
| 24%-SF | 10.6 ± 1.1a | 18.1 ± .40b | 20.4 ± .63c | 21.4 ± .72c#^ | 23.3 ± 1.1d# |
| Body fat (%) | |||||
| AIN-76A | 12.8 ± .71a | 20.7 ± .75b | 21.5 ± 1.6b& | 21.2 ± 1.7b& | 22.9 ± 1.9b& |
| AIN-76A Mod | 13.8 ± .69a | 21.2 ± .89b | 23.2 ± 1.8bc& | 24.7 ± 2.1c& | 23.0 ± 2.1bc& |
| 6%-SF | 12.0 ± .65a | 21.1 ± 1.3b | 27.1 ± 2.1c&# | 35.5 ± 2.6d#^ | 39.4 ± 2.1e# |
| 12%-SF | 12.8 ± .66a | 22.2 ± 1.3b | 29.6 ± 1.6c# | 37.8 ± 1.3d^ | 41.0 ± 1.3e# |
| 24%-SF | 11.1 ± .60a | 20.7 ± 1.2b | 25.0 ± 1.8c&# | 32.6 ± 1.5d# | 37.2 ± 1.0e# |
Body composition includes fat mass, lean mass, and body fat percentage of mice assessed at baseline (4 weeks) and incrementally (weeks 8, 12, 16, and 20) throughout the course of the study (n = 8–9). Values not sharing a superscripted letter (a, b, c, d) differ significantly over time within the given diet treatment (P ≤ 0.05). Values not sharing a superscripted symbol (&, #, ^, %) differ significantly among diet treatments within the given week (P ≤ 0.05).