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Table 2 Plasma phospholipid fatty acid composition after control or ALA-rich diet for 6 months

From: Increased dietary α-linolenic acid has sex-specific effects upon eicosapentaenoic acid status in humans: re-examination of data from a randomised, placebo-controlled, parallel study

  1.5 g/d ALA 9.5 g/d ALA    
  Male Female Male Female   P value1  
  (n = 11) (n = 10) (n = 13) (n = 10) Sex Diet Sex*diet
  (% total fatty acids)    
16:0 26.7 ± 1.5 27.5 ± 1.4 28.0 ± 2.2 26.8 ± 1.3 0.82 0.44 0.073
18:0 13.2 ± 1.2 13.4 ± 1.5 12.5 ± 3.8 13.6 ± 1.6 0.82 0.84 0.20
22:0 1.4 ± 0.9 1.0 ± 0.5 1.3 ± 1.0 1.4 ± 1.1 0.11 0.50 0.69
18:1n-9 10.8 ± 3.0 10.9 ± 2.3 11.4 ± 2.9 11.2 ± 1.9 0.78 0.53 0.64
20:1n-9 0.4 ± 0.3 0.2 ± 0.1* 0.4 ± 0.2 0.3 ± 0.2 0.18 0.39 0.041
18:2n-6 22.2 ± 1.8 22.3 ± 2.4 22.1 ± 2.5 21.6 ± 2.6 0.55 0.58 0.61
18:3n-6 0.2 ± 0.2 0.2 ± 0.2 0.1 ± 0.1 0.2 ± 0.1 0.60 0.14 0.60
20:3n-6 3.6 ± 1.0 4.2 ± 1.3 3.5 ± 1.4 3.0 ± 1.6 0.97 0.38 0.12
20:4n-6 10.3 ± 2.4 10.0 ± 2.0 9.1 ± 2.7 8.8 ± 1.3 0.74 0.26 0.32
18:3n-3 0.3 ± 0.1 0.3 ± 0.2 0.6 ± 0.3 0.9 ± 0.3 0.19 <0.001 0.11
20:5n-3 1.5 ± 1.5 1.2 ± 1.0 1.5 ± 1.3 2.8 ± 1.7* 0.35 0.023 0.027
22:5n-3 2.0 ± 0.5 2.3 ± 0.7 2.5 ± 0.7 2.6 ± 0.7 0.11 0.22 0.39
22:6n-3 4.7 ± 1.2 3.9 ± 0.6 3.9 ± 1.3 3.7 ± 1.1 0.34 0.20 0.36
  1. Data are mean ± SD.
  2. 1Statistics were conducted using change from baseline data. *Significantly different from males in same dietary group (p < 0.05, independent mean t-test). Significant effect of diet within same sex (p < 0.05, independent mean t-test).