Table 2.
Relative content of (3R,6′R)- and (3R,6′S)- 3′-dehydro-lutein in selected monkey serum samples as determined by chiral-phase HPLC with VIS detection. Amounts [%] are given relative to the concentration in the serum of the carotenoid that had been supplemented, zeaxanthin or lutein.
Sample ID# | Weeks of supplementation | Zeaxanthin [%]a | Lutein [%]a | (3R,6′R)-3′-Dehydro- lutein [%] | (3R,6′S)-3′-Dehydro- lutein [%] |
---|---|---|---|---|---|
12756 | 0 (baseline) | n.d. | n.d. | n.d. | n.d. |
13980 | 0 (baseline) | n.d. | n.d. | n.d. | n.d. |
13980 | 12 | 100 | n.d. | 19 | 19 |
13980 | 32 | 100 | n.d. | 22 | 22 |
14114 | 0 (baseline) | n.d. | n.d. | n.d. | n.d. |
14362 | 12 | n.d. | 100 | 7 | 7 |
14362 | 16 | n.d. | 100 | 11 | 11 |
15866 | 0 (baseline) | n.d. | n.d. | n.d. | n.d. |
15866 | 12 | 100 | n.d. | n.d. | n.d. |
15866 | 32 | 100 | n.d. | n.d. | n.d. |
16361 | 12 | n.d. | 100 | 7 | 7 |
16361 | 24 | n.d. | 100 | n.d. | n.d. |
100 indicates supplementation with the respective xanthophyll. Remaining samples were from animals before supplementation.
n.d. not detected.