Table 1.
Composition of rat chow diet *.
| Components | AL Group | CR1 Group a | CR2 Group b | |||
|---|---|---|---|---|---|---|
| g/kg Diet | % Energy | g/0.8 kg Diet | % Energy | g/0.6 kg Diet | % Energy | |
| Casein | 200.0 | 20.2 | 200.0 | 25.2 | 200.0 | 33.8 |
| Vitamin mix ** | 10.0 | - | 10.0 | - | 10.0 | - |
| Mineral mix ** | 35.0 | - | 35.0 | - | 35.0 | - |
| Sucrose | 50.0 | 5.0 | 50.0 | 6.3 | 50.0 | 8.4 |
| Corn starch | 585.0 | 58.9 | 385.0 | 48.6 | 185.0 | 31.2 |
| Fiber | 50.0 | - | 50.0 | - | 50.0 | - |
| Lipid | 70.0 | 15.9 | 70.0 | 19.9 | 70.0 | 26.6 |
| Total amount (g) | 1000.0 | 100.0 | 800.0 | 100.0 | 600.0 | 100.0 |
| Total Calorie/kg diet (Kcal) | 3970.0 | 3170.0 | 2370.0 | |||
| Energy ratio (%) | ||||||
| Protein/Total | 20 | 25 | 34 | |||
| Carbohydrate/Total | 64 | 55 | 40 | |||
| Lipid/Total | 16 | 20 | 26 | |||
* Abbreviations: AL: ad libitum; CR: calorie restriction; ** The composition of vitamin and mineral mix can be referred to AIN-93G; a CR1 group was provided with 80% of ad libitum intake based on AL group; b CR2 group was provided with 60% of ad libitum intake based on AL group.