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Serum lutein concentrations for the different groups (see Table 1) prior to lutein supplementation (column 3) and the average plateau values during supplementation (column 4).
| Group | Dose mg |
Pre-supp av ± SD μmol/L |
Plateau av ± SD μmol/L |
|---|---|---|---|
| 1 | 0 (plac) | 0.255 ± 0.185 | 0.431 ± 0.426 |
| 2 | 5 | 0.289 ±0.092 | 0.741 ± 0.292 |
| 3 | 10 | 0.301 ± 0.252 | 1.009 ± 0.614 |
| 4 | 20 | 0.199 ± 0.099 | 1.621 ± 0.785 |
| 5 | 20 | 0.289 ± 0.114 | 1.350 ± 0.403 |
