Table 1. Composition of the experimental diets fed to aged rats.
| Diet | C | CHOL-C | CHOL-HxT | CHOL-Si |
|---|---|---|---|---|
| Protein (%) | 21.6 | 21.6 | 21.6 | 21.6 |
| Fat (%) | 16.9 | 16.6 | 16.6 | 16.6 |
| Cholesterol (g/kg) | 0.14 | 16.3 | 16.3 | 16.3 |
| SFA/MUFA/PUFA | 30.9/32.2/13.1 | 30.9/32.2/13.1 | 30.9/32.2/13.1 | 30.9/32.2/13.1 |
| Energy content, (MJ/kg)1 | 18.6 | 18.3 | 18.3 | 18.3 |
| Total silicon content (μg/g) | 430.0 | 330.0 | 374.0 | 1626.0 |
| Ingredients (g/kg) | ||||
| Cornstarch | 226.1 | 211.0 | 211.0 | 211.0 |
| Casein | 125.6 | 125.6 | 125.6 | 125.6 |
| Maltodextrine | 86.0 | 86.0 | 86.0 | 86.0 |
| Sucrose | 217.8 | 217.8 | 217.8 | 217.8 |
| Soybean oil | 44.0 | 44.0 | 44.0 | 44.0 |
| Cellulose | 31.4 | 31.4 | 31.4 | 31.4 |
| AIN-93MX mineral mix2 | 44.0 | 44.0 | 44.0 | 44.0 |
| AIN-93VX vitamin mix3 | 6.3 | 6.3 | 6.3 | 6.3 |
| L-Cystine | 1.9 | 1.9 | 1.9 | 1.9 |
| Cholesterol | 0 | 12.6 | 12.6 | 12.6 |
| Cholic acid | 0 | 2.5 | 2.5 | 2.5 |
| Restructured pork4 | 217.0 | 217.0 | 217.0 | 217.0 |
C, control RP diet; CHOL-C, Cholesterol enriched high-saturated/high-cholesterol control RP diet; CHOL-HxT, hydroxytyrosol RP Cholesterol enriched high-saturated/high-cholesterol diet; Si, silicon RP Cholesterol enriched high-saturated/high-cholesterol diet.
1Data calculated considering as energy equivalent for carbohydrates: 16.73 kJ/g (4.0 kcal/g); fat, 37.65 kJ/g (9.0 kcal/g); protein 16.73 kJ/g (4.0 kcal/g).
2,3As reported by Reeves et al. [25].
4Restructured pork composition available as supporting information (S1 Table).