Table 3.
Lipid concentrations in the liver (wet weight) of male weanling rats fed high-fat diets differing in Zn content and fat source free choice or in restricted amounts for 4 wk.
| Diet groups1,2 | 2 × 2 ANOVA3: P level | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| LZ-CB | HZ-CBR | LZ-SF | HZ-SFR | HZ-SF | Zn | Fat | Zn × fat | ||
| Total lipids | mg/g | 53.3a ± 6.0 | 57.2a ± 9.5 | 66.2a ± 14.5 | 69.3a ± 6.3 | 95.8b ± 17.8 | 0.16 | 0.003 | 0.77 |
| Cholesterol4,5 | μmol/g | 5.8a ± 0.7 | 5.2a ± 0.6 | 10.6b ± 2.0 | 9.6b ± 1.1 | 10.3b ± 2.6 | 0.08 | <0.001 | 0.86 |
| TAGs4 | μmol/g | 20.4a ± 5.7 | 21.0a ± 6.7 | 30.0b ± 10.7 | 35.6b ± 6.1 | 59.6c ± 23.6 | 0.25 | <0.001 | 0.37 |
| PLs | μmol/g | 42.8ab ± 2.6 | 43.1b ± 4.2 | 39.1a ± 2.6 | 38.8a ± 2.1 | 39.0ab ± 2.3 | 0.99 | 0.001 | 0.81 |
1See footnote 1 of Table 2.
2Values are means ± SD, n = 8. Labeled means in a row without a common letter differ by 1-factor ANOVA followed by Tukey's multiple-comparison test, P < 0.05.
3Bifactorial ANOVA of the LZ-CB, HZ-CBR, LZ-SF, and HZ-SFR diet groups.
41-factor ANOVA after logarithmic transformation of the data.
5Bifactorial ANOVA after logarithmic transformation of the data.
TAGs, triacylglycerols; PLs, phospholipids.