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. 2017 Nov 22;59(1):123–136. doi: 10.1194/jlr.M080309

TABLE 6.

Effect of pregnancy and postpartum on the fatty acid composition of liver TAG

Fatty Acid Baseline 15 Days of Pregnancy 20 Days of Pregnancy 7 Days Postpartum
weight % of total fatty acids
14:0 0.77 ± 0.15a 0.85 ± 0.17a 1.14 ± 0.26ab 1.57 ± 0.70b
16:0 23.89 ± 0.75ab 21.96 ± 1.96a 26.29 ± 2.85b 25.89 ± 1.56b
18:0 3.48 ± 0.78a 5.87 ± 1.25ab 9.10 ± 3.58b 10.22 ± 3.94b
20:0 0.09 ± 0.03a 0.14 ± 0.04ab 0.21 ± 0.07ab 0.46 ± 0.42b
22:0 0.03 ± 0.02 0.06 ± 0.06 0.11 ± 0.10 0.14 ± 0.09
24:0 0.01 ± 0.01a 0.03 ± 0.02ab 0.07 ± 0.04b 0.06 ± 0.03b
∑SFAs 29.19 ± 0.84a 29.45 ± 3.35a 37.99 ± 6.15b 40.13 ± 4.72b
14:1 0.09 ± 0.07a 0.04 ± 0.02a 0.18 ± 0.06ab 0.25 ± 0.14b
16:1 3.37 ± 2.4 2.22 ± 0.35 2.05 ± 1.51 2.24 ± 1.20
18:1n-7 1.78 ± 0.14 1.88 ± 0.12 2.01 ± 0.26 1.93 ± 0.24
18:1n-9 22.63 ± 3.4 21.54 ± 2.20 18.60 ± 1.97 21.75 ± 2.86
20:1n-9 0.13 ± 0.03a 0.18 ± 0.06a 0.29 ± 0.07b 0.20 ± 0.08ab
22:1n-9 0.18 ± 0.06a 0.38 ± 0.15ab 0.46 ± 0.09b 0.40 ± 0.27ab
24:1n-9 0.02 ± 0.01 0.04 ± 0.02 0.07 ± 0.06 0.06 ± 0.04
∑MUFAs 28.29 ± 5.09 26.35 ± 2.51 23.79 ± 2.29 26.94 ± 2.49
18:2n-6 32.30 ± 3.72b 30.26 ± 3.90b 24.06 ± 4.07a 24.23 ± 2.69a
18:3n-6 0.72 ± 0.14ab 1.04 ± 0.19b 0.72 ± 0.13a 0.99 ± 0.28ab
20:2n-6 0.20 ± 0.05ab 0.23 ± 0.08ab 0.29 ± 0.08b 0.18 ± 0.04a
20:3n-6 0.25 ± 0.07 0.32 ± 0.11 0.33 ± 0.05 0.24 ± 0.05
20:4n-6 3.93 ± 1.13 6.52 ± 1.47 6.91 ± 2.98 4.27 ± 1.37
22:2n-6 0.01 ± 0.01 0.04 ± 0.03 0.11 ± 0.13 0.06 ± 0.05
22:4n-6 0.51 ± 0.20a 0.74 ± 0.36a 1.36 ± 0.45b 0.49 ± 0.12a
22:5n-6 0.25 ± 0.09a 0.26 ± 0.17ab 0.53 ± 0.25b 0.32 ± 0.08ab
∑n-6 PUFAs 38.18 ± 5.12b 39.42 ± 4.26b 34.31 ± 3.89ab 30.78 ± 3.82a
18:3n-3 1.76 ± 0.33c 1.50 ± 0.35bc 1.20 ± 0.17b 0.70 ± 0.15a
20:3n-3 0.01 ± 0.01 0.03 ± 0.01 0.04 ± 0.02 0.03 ± 0.02
20:5n-3 0.65 ± 0.18ab 0.88 ± 0.33b 0.46 ± 0.23ab 0.44 ± 0.25a
22:5n-3 0.52 ± 0.16ab 0.66 ± 0.20ab 0.96 ± 0.47b 0.43 ± 0.16a
22:6n-3 1.40 ± 0.20b 1.73 ± 0.32b 1.25 ± 0.61b 0.54 ± 0.33a
∑n-3 PUFAs 4.35 ± 0.54b 4.79 ± 0.65b 3.91 ± 1.27b 2.15 ± 0.81a
∑PUFAs 42.52 ± 5.51b 44.20 ± 4.90b 38.21 ± 4.89ab 32.93 ± 4.54a
Total fatty acids (mg/g) 12.19 ± 4.10b 5.95 ± 2.59a 4.08 ± 0.78a 2.85 ± 0.63a

Values are expressed as mean ± SD, n = 6 for each group. Fatty acids with different superscripts are significantly different by Tukey’s post hoc test (P < 0.05) following significant F-value by one-way ANOVA. SFAs, saturated fatty acids.