Table 2.
Experimental design
| Group | Period | ½ subjects (8) | ½ subjects (7) |
|---|---|---|---|
| 1 (15 subjects) | 2–3 weeks before feeding | Blood drawing for screening and baseline information | |
| 3 h before feeding | Fasting | ||
| First day | FAC | FeSO4 | |
| Second day | FeSO4 | FAC | |
| 3 h after feeding | No feeding | ||
| 14 days after feeding | Blood drawing for analysis of isotopic composition | ||
| 2 (15 subjects) | 2–3 weeks before feeding | Blood drawing for screening and baseline information | |
| 3 h before feeding | Fasting | ||
| First day | FeSO4 + NaFeEDTA | FeSO4 | |
| Second day | FeSO4 | FeSO4 + NaFeEDTA | |
| 3 h after feeding | No feeding | ||
| 14 days after feeding | Blood drawing for analysis of isotopic composition | ||
FAC, ferric ammonium citrate; FeSO4, ferrous sulphate; NaFeEDTA, ferric sodium ethylenediaminetetraacetic acid.