Table 2.
Iron retention, transport and uptake from infant cereals by Caco-2 cells
| Infant cereal | Iron added (μg) | Solubility (%) | Retention (μg) | Retention (%) | Transport (μg) | Transport efficiency (%) | Uptake (μg) | Uptake efficiency (%) | |
| - phytase | A | 12.51 | 17.42 ± 6.1a | 1 ± 0.1 | 7.99 ± 2.2b | 1.59 ± 0.6 | 2.21 ± 1a | 2.59 ± 0.8 | 3.6 ± 0.9b |
| B | 13.08 | 8.72 ± 2.7b | 0.79 ± 0.4 | 6.04 ± 0.6b | 0.21 ± 0 | 0.14 ± 0.03c | 1 ± 0.2 | 0.66 ± 0.2d | |
| C | 13.13 | 24.21 ± 1.9ª | 2.19 ± 0.1 | 16.68 ± 3.8ª | 1.09 ± 0.7 | 2.01 ± 0.8ª | 3.28 ± 1.1 | 6.05 ± 2.2ª | |
| D | 11.18 | 20.93 ± 4.8ª | 0.78 ± 0.2 | 6.98 ± 0.8b | 0.18 ± 0.04 | 0.33 ± 0.1b | 0.96 ± 0.2 | 1.8 ± 0.3c | |
| + phytase | A | 12.51 | 34.53 ± 8.61 | 2.52 ± 0.3 | 20.14 ± 3.91 | 2.18 ± 0.9 | 6.02 ± 1.31 | 4.7 ± 0.9 | 13 ± 2.51 |
| B | 13.08 | 21.1 ± 1.81 | 2.1 ± 0.2 | 16.28 ± 2.11 | 2.49 ± 0.9 | 4.01 ± 0.81 | 4.62 ± 1.6 | 7.45 ± 3.91 | |
| C | 13.13 | 19.19 ± 31 | 2.41 ± 0.3 | 18.35 ± 3.4 | 1.66 ± 0.6 | 2.43 ± 0.6 | 4.0 ± 1.2 | 5.95 ± 1.1 | |
| D | 11.18 | 16.64 ± 6.2 | 1.65 ± 0.2 | 14.75 ± 1.31 | 0.99 ± 0.2 | 1.47 ± 0.31 | 2.64 ± 0.8 | 3.93 ± 0.71 |
A: Eight cereals honey; B: Multicereals; C: Rice cream; D: Gluten-free cereals. mean ± SD, n = 5. Different letter (a-d) denotes significant differences (P < 0.05) between commercial infant cereals (without phytase treatment) to assess the effect of different phytate content.
1
P vs the same infant cereal dephytinized or not.