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Table 5 Dietary and plasma concentrations of lutein + zeaxanthin of male and female hypo- and hyper-responders during the EGG and placebo (SUB) periods

From: Plasma LDL and HDL characteristics and carotenoid content are positively influenced by egg consumption in an elderly population1

  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. 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. 2 NS = non-significant