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Table 1 Twenty-two free fatty acids with relative concentrations above 0.1% in 297 subjects

From: FADS1-FADS2 genetic polymorphisms are associated with fatty acid metabolism through changes in DNA methylation and gene expression

Characteristics

% of total fatty acids

14:0

3.89 ± 1.48

15:0

0.32 ± 0.07

16:0

22.95 ± 2.07

17:0

0.84 ± 0.19

18:0

22.41 ± 4.63

19:0

0.14 ± 0.03

20:0

0.51 ± 0.16

15:0 iso

0.26 ± 0.26

16:0 iso

0.17 ± 0.05

17:0 iso

0.65 ± 0.16

18:0 iso

1.61 ± 0.48

16:1n-7

1.01 ± 0.41

16:1n-9

0.17 ± 0.05

18:1n-9

13.59 ± 3.84

20:1n-9

0.14 ± 0.05

18:2n-6(LA)

20.04 ± 4.76

18:3n-6(GLA)

0.26 ± 0.07

20:2n-6(EDA)

0.32 ± 0.06

20:3n-6(DGLA)

0.36 ± 0.1

20:4n-6(AA)

2.94 ± 0.88

22:4n-6(ADA)

0.33 ± 0.07

22:5n-6

0.19 ± 0.05

18:3n-3(ALA)

0.70 ± 0.27

20:5n-3(EPA)

0.46 ± 0.19

22:5n-3(DPA)

0.58 ± 0.18

22:6n-3(DHA)

4.47 ± 2.00

  1. Data are shown as the mean ± SD. AA arachidonic acid, ADA adrenic acid, ALA α-linolenic acid, DGLA dihomo-gamma-linolenic acid, DHA docosahexaenoic acid, DPA docosapentaenoic acid, EDA eicosadienoic acid, EPA eicosapentaenoic acid, GLA gamma-linolenic acid, Iso isomer, LA linoleic acid