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. 2017 Mar 29;2017:4798963. doi: 10.1155/2017/4798963

Table 4.

Fatty acid composition (mol/100 mol) of liver phospholipids in male weanling rats fed high-fat diets differing in Zn content and fat source free choice or in restricted amounts for 4 wk.

Fatty acids Diet groups1,2 2 × 2 ANOVA3: P level
LZ-CB HZ-CBR LZ-SF HZ-SFR HZ-SF Zn Fat Zn × fat
16:0 15.7a ± 0.55 14.9a ± 1.15 16.0ab ± 0.52 14.9a ± 0.77 16.3b ± 0.66 0.003 0.59 0.56
18:0 27.5b ± 0.89 28.3b ± 0.90 24.2a ± 1.39 23.7a ± 1.71 25.4a ± 1.09 0.85 <0.001 0.14
Σ  SFAs 43.2c ± 0.58 43.2c ± 1.23 40.2ab ± 1.73 38.6a ± 2.04 41.7bc ± 1.63 0.14 <0.001 0.12
18:1n-9 4.0b ± 0.43 3.7b ± 0.35 1.9a ± 0.30 2.2a ± 0.23 1.8a ± 0.20 0.99 <0.001 0.056
Σ  MUFAs4 4.5b ± 0.62 4.1b ± 0.42 2.5a ± 0.36 2.7a ± 0.26 2.3a ± 0.23 0.59 <0.001 0.10
18:2n-6 4.8a ± 1.17 4.5a ± 1.10 10.7c ± 1.03 10.6c ± 0.81 7.4b ± 0.90 0.53 <0.001 0.84
20:3n-6 0.4a ± 0.14 0.4ab ± 0.07 0.3a ± 0.05 0.5b ± 0.10 0.3a ± 0.07 0.001 0.52 0.050
20:4n-6 33.8a ± 0.67 34.6ab ± 1.13 35.7bc ± 1.45 37.3c ± 1.66 36.7c ± 0.92 0.012 <0.001 0.40
22:4n-65 0.5a ± 0.09 0.5a ± 0.06 1.6b ± 0.25 1.5b ± 0.15 1.4b±0.15 0.62 <0.001 0.65
Σ  n-6 PUFAs6 39.5a ± 1.46 40.1a ± 1.19 49.6c ± 1.80 51.7c ± 1.74 47.0b ± 1.31 0.022 <0.001 0.19
22:5n-3 0.7b ± 0.11 0.7b ± 0.19 0.7b ± 0.13 0.6ab ± 0.09 0.5a ± 0.14 0.42 0.028 0.73
22:6n-35 12.1c ± 1.89 11.9c ± 1.43 7.0a ± 0.48 6.4a ± 0.53 8.5b ± 0.71 0.21 <0.001 0.34
Σ  n-3 PUFAs5 12.8c ± 1.92 12.6c ± 1.43 7.7ab ± 0.46 7.0a ± 0.59 9.0b ± 0.74 0.17 <0.001 0.30
Δ6 DS products7 90.7c ± 2.39 91.4c ± 2.15 79.1a ± 1.74 78.9a ± 1.61 84.5b ± 1.62 0.75 <0.001 0.52
Ratio n-6/n-3 3.2a ± 0.64 3.2a ± 0.36 6.5c ± 0.54 7.4d ± 0.59 5.3b ± 0.45 0.017 <0.001 0.029
Relative UI 2.29a ± 0.09 2.30a ± 0.09 2.22a ± 0.06 2.26a ± 0.09 2.26a ± 0.07 0.41 0.067 0.64

1See footnote 1 of Table 2.

2Values are means ± SD, n = 8. Labeled means in a row without a common letter differ by 1-factor ANOVA followed by Tukey's multiple-comparison test, P < 0.05.

3Bifactorial ANOVA of the LZ-CB, HZ-CBR, LZ-SF, and HZ-SFR diet groups.

4Contain 16:1, 20:1n-9, and 22:1n-9.

51-factor and bifactorial ANOVA after logarithmic transformation of the data.

6Contain 20:2n-6.

7Total Δ6 desaturation products (mol per 100 mol PUFAs) contain 20:3n-6, 20:4n-6, 22:4n-6, 22:5n-3, and 22:n-3.

SFAs, saturated fatty acids; MUFAs, monounsaturated fatty acids; PUFAs, polyunsaturated fatty acids; UI, relative unsaturation index.