Group Nr

Tested solution

Duodenum

Liver

Composition

Fe, % of absorption

Fe, µg/g

1.

Buffer solution*

8.2

144.25 ± 9.11

Fe²⁺ (400 µg/mL)**

2.

Native RBRJ

14.0

148.00 ± 3.90

Fe²⁺ (400 µg/mL)**

3.

Fractionated RBRJ

34.5

176.90 ± 4.03***

Fe²⁺ (400 µg/mL)**