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.

Tako et al. Nutrition Journal 2013 12:3   doi:10.1186/1475-2891-12-3

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