Research Article

Iron-Polyphenol Interaction Reduces Iron Bioavailability in Fortified Tea: Competing Complexation to Ensure Iron Bioavailability

Table 3

Bioaccessibility of iron in fortified water and tea when added in different Fe : EDTA ratios.

Fe : EDTA ratioBioaccessibility (% of added iron)Complex formation (mg iron)

1 : 0 (FeSO4)
1 : 1
1 : 2
1 : 2 (in water)

Note. Different letters in the same column indicate significant differences ().