Table 5

Dietary and plasma concentrations of lutein + zeaxanthin of male and female hypo- and hyper-responders during the EGG and placebo (SUB) periods


Dietary Lutein + Zeaxanthin
Plasma Lutein
Plasma Zeaxanthin

(nm)
(μg/dL)
(μg/ml)
Hyper-responders (n = 15)
EGG
4655 ± 1989a
55.3 ± 26.3a
14.3 ± 6.7a
SUB
3429 ± 2003b
35.3 ± 16.6c
10.5 ± 6.4b
Hypo-responders (n = 27)
EGG
4857 ± 3048a
41.5 ± 20.3b
8.7 ± 4.0b
SUB
2755 ± 1608b
30.7 ± 14.4c
7.8 ± 3.5c
Diet Effect
P < 0.0001
P < 0.0001
P < 0.01
Response Effect
NS
P < 0.05
P < 0.05

1 Values are shown as the mean ± SD. Values in the same column with different superscript are significantly different as determined by repeated measures ANOVA

2 NS = non-significant

Greene et al. Nutrition & Metabolism 2006 3:6   doi:10.1186/1743-7075-3-6