Table 1 |
||||
| Composition of experimental diets | ||||
| Ingredient | "High+Fe" Diet | "High" Diet | "Low+Fe" Diet | "Low" Diet |
| g/Kgdiet (by formulation) | ||||
| High-Fe bioavailability Maize (21 μg Fe/g) | 750 | 750 | - | - |
| Low-Fe bioavailability Maize (20 μg Fe/g) | - | - | 750 | 750 |
| Dry skim milk | 100 | 100 | 100 | 100 |
| DL-Methionine | 2.5 | 2.5 | 2.5 | 2.5 |
| Corn oil | 30 | 30 | 30 | 30 |
| Corn starch | 46.50 | 46.75 | 46.50 | 46.75 |
| Choline Chloride | 0.75 | 0.75 | 0.75 | 0.75 |
| Vit/Min1 (no Fe) | 70 | 70 | 70 | 70 |
| Ferric citrate | 0.25 | - | 0.25 | - |
| Total | 1000 | 1000 | 1000 | 1000 |
| Concentrations of selected components means±SEM, n=10 (by analysis)4 | ||||
| Fe, μgFe/g diet2 | 65.3±0.9a | 24.5±1.0b | 66.1±2.4a | 23.6±0.2b |
| Phytate, μmol/g diet3 | 10.2 ± 0.2a | 10.1 ±0.2a | 10.1 ± 0.2a | 10.0 ±0.2a |
1Vitamin and mineral premix provided/kg diet (330002 Chick vitamin mixture; 230000 Salt mix for chick diet; Dyets Inc. Bethlehem, PA).
2Dietary iron concentrations analysis is described in the materials and methods section.
3Method for determining phytate contents are described in the materials and methods section.
4Values are means±SEM. a,bWithin a row, means without a common letter are significantly different, P < 0.05.
Tako et al. Nutrition Journal 2013 12:3 doi:10.1186/1475-2891-12-3