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Table 2 The concentration of carotenoids in the human plasma

From: Possible benefits of tomato juice consumption: a pilot study on irradiated human lymphocytes from healthy donors

Carotenoids (μg/mL)

Baseline

Intake

Washout

Mean ± SE

Mean ± SE

Mean ± SE

Lutein

0.23 ± 0.03

0.23 ± 0.02

0.21 ± 0.02

Zeaxanthin

0.06 ± 0.01

0.05 ± 0.01

0.05 ± 0.01

β-Cryptoxanthin

0.12 ± 0.02

0.13 ± 0.02

0.12 ± 0.01

α-Carotene

0.15 ± 0.02

0.13 ± 0.02

0.12 ± 0.01

β-Carotene

0.35 ± 0.08

0.44 ± 0.08 a, b

0.32 ± 0.05

Lycopene

0.34 ± 0.03

0.51 ± 0.03 a, b

0.34 ± 0.03

  1. Values are given as mean ± SE of 10 donors. a: different from baseline (P < 0.05), b: different from washout (P < 0.05) by paired t test