Table 1.
Composition of experimental diets (g/100 g mixture) used in the essay of bioavailability of zinc.
| Components * | Test Diets | Control Diet | ||
|---|---|---|---|---|
| R15 (g/100 g) | R30 (g/100 g) | C15 (g/100 g) | C30 (g/100 g) | |
| ZnCO3 (mg) | - | - | 0.002876 | 0.005752 |
| Dietary iron (ferric pyrophosphate) | 0.0059 | 0.0059 | 0.0059 | 0.0059 |
| Ultra Rice® a | 1.14 | 2.28 | - | - |
| Albumin ** | 19.91 | 19.83 | 20.00 | 20.00 |
| Maltodextrin ** | 13.20 | 13.20 | 13.20 | 13.20 |
| Sucrose ** | 10.00 | 10.00 | 10.00 | 10.00 |
| Soybean oil ** | 6.94 | 6.87 | 7.00 | 7.00 |
| Fiber (microfine cellulose) ** | 4.98 | 4.98 | 5.00 | 5.00 |
| Mineral mix without zinc ** | 3.50 | 3.50 | 3.50 | 3.50 |
| Vitamin mix ** | 1.00 | 1.00 | 1.00 | 1.00 |
| l-cystine ** | 0.30 | 0.30 | 0.30 | 0.30 |
| Choline bitartrate ** | 0.25 | 0.25 | 0.25 | 0.25 |
| Corn starch ** | 38.77 | 37.79 | 39.75 | 39.75 |
| Caloric density (kcal/g) | 3.69 | 3.69 | 3.78 | 3.78 |
* According to Reeves et al. (1993) [15]; ** Rhoster, Industry and Commerce, R15: Source of Zn:Rice fortified with zinc oxide, Zn 50%; R30: Source of Zn:Rice fortified with zinc oxide, Zn 100%; C15: Source of Zn:Zn carbonate, Zn 50%; C30: Source of Zn:Zn carbonate, Zn 100%; a 0.13% of zinc.