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. 2016 Sep 30;8(10):614. doi: 10.3390/nu8100614

Table 3.

Concentrations of carotenoids, tocopherols, retinol, and cholesterol and their correlation with age (n = 2118).

Compound 1 Geometric Mean Percentiles Age Correlation
2.5 97.5 r p
Lycopene 0.701 0.153 1.748 −0.239 <0.001
β-Cryptoxanthin 0.203 0.033 1.064 0.121 <0.001
α-Carotene 0.139 0.029 0.643 −0.090 <0.001
Lutein 0.276 0.075 0.672 0.077 <0.001
Zeaxanthin 0.045 0.007 0.135 0.063 0.004
β-Carotene 0.540 0.133 1.856 −0.042 0.051
α-Tocopherol 27.8 17.5 48.5 0.203 <0.001
γ-Tocopherol 1.29 0.400 3.55 0.119 <0.001
Retinol 1.71 0.980 2.73 0.121 <0.001
Cholesterol 5.55 3.68 7.79 0.081 <0.001

1 All compounds in µmol/L, except cholesterol (n = 1993) given in mmol/L. Pearson’s correlation r with age (years).