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Table 1 Plasma vitamin and carotenoid concentrations in 36 overweight men with mildly elevated plasma CRP levels

From: The impact of micronutrient status on health: correlation network analysis to understand the role of micronutrients in metabolic-inflammatory processes regulating homeostasis and phenotypic flexibility

Vitamin or carotenoid

Plasma concentration (Mean ± SEM)

Range

Number < LOQ (<LOD)

Reference ranges

Retinol (μM)

1.97 ± 0.05

1.29–2.60

Na

1.19–2.24c [31]

γ-Tocopherol (μM)

1.74 ± 0.11

0.73–3.94

Na

0.96–2.30c [31]

α-Tocopherol (μM)

29.0 ± 1.1

13.7–48.3

Na

12–46 [32]

β-Cryptoxanthin (μM)

0.22 ± 0.03

0.06–0.83

Na

0.14–0.40c [31]

Lycopene (μM)

0.62 ± 0.05

0.15–1.28

Na

0.54–0.73c [31]

α-Carotene (μM)

0.06 ± 0.01

<LOD–0.27

16/35 (2/35)a

0.07–0.12c [31]

β-Carotene (μM)

0.40 ± 0.03

0.12–0.83

Na

0.31–0.49c [31]

25-Hydroxy vitamin D3 (nM)

63.2 ± 5.6

<LOQ–128.8

4/34b

20–136.2d [33]

  1. aLOQ and LOD for α-carotene are 0.06 and 0.03 μM, respectively
  2. bLOQ for 25-hydroxy vitamin D3 is 12.0 nM
  3. cMean values from cohorts of healthy adults from five European countries
  4. dMean population values