Incubation medium composition^a

Iron content in intestinal mucosa (µg/g)

In 30 min of incubation at 40˚C (n = 20)

Duodenum

Jejunum

Buffered zucchini juice

9.80 ± 0.58***

3.84 ± 0.22*

Buffered carrot juice

9.15 ± 0.69***

5.14 ± 0.72**

Buffered cucumber juice

8.15 ± 0.38*

6.89 ± 0.42****

Buffered pumpkin juice

8.12 ± 0.38*

5.12 ± 0.37*

Buffered red beetroot juice

14.31 ± 0.55

10.38 ± 1.46

Buffered sugar beetroot juice

11.80 ± 0.37

8.14 ± 0.45

Buffered fodder beetroot juice

10.14 ± 0.78

7.12 ± 0.52

Tris-buffer

8.91 ± 0.19

3.36 ± 0.49