Table 1

Differences in the concentration of retinol, carotenoids and α-tocopherol (μmol/l; mean ± SD) between plasma samples (n = 14) obtained from paired venous or capillary blood

Venous

capillary


α-Tocopherol

20.80 ± 10.02

23.35 ± 10.02*

Retinol

1.42 ± 0.31

1.69 ± 0.39*

Lutein

0.21 ± 0.08

0.23 ± 0.09

Zeaxanthin

0.02 ± 0.01

0.02 ± 0.01

β-Cryptoxanthin

0.11 ± 0.05

0.13 ± 0.06

α-Carotene

0.11 ± 0.07

0.14 ± 0.090*

β-Carotene

0.54 ± 0.28

0.66 ± 0.32*

Lycopene

0.19 ± 0.12

0.25 ± 0.13***


* P < 0.05 *** P < 0.001

Schweigert et al. Nutrition Journal 2003 2:17   doi:10.1186/1475-2891-2-17

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