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Table 1 Fatty acid composition of test capsules

From: Supplementation of arachidonic acid-enriched oil increases arachidonic acid contents in plasma phospholipids, but does not increase their metabolites and clinical parameters in Japanese healthy elderly individuals: a randomized controlled study

Fatty acids1 Group
(%) Placebo Low-ARA High-ARA
14:0 0.0 0.2 0.5
15:0 0.0 0.0 0.2
16:0 12.2 11.9 11.3
16:1 1.2 0.8 0.0
17:0 0.0 0.1 0.3
18:0 2.8 4.5 8.1
18:1 72.3 50.3 6.3
18:2n-6 9.6 9.4 8.9
18:3n-6 0.0 0.9 2.6
18:3n-3 0.7 0.6 0.4
20:0 0.4 0.6 0.9
20:1 0.3 0.3 0.4
20:2n-6 0.0 0.2 0.7
20:3n-6 0.0 1.4 4.0
20:4n-6 0.0 14.2 42.9
22:0 0.1 1.2 3.3
22:4n-6 0.0 0.2 0.5
24:0 0.0 2.6 7.5
Others 0.4 0.6 1.2
  1. 114:0, myristic acid; 15:0, pentadecanoic acid; 16:0; palmitic acid; 16:1, palmitoleic acid; 17:0, heptadecanoic acid; 18:0, stearic acid; 18:1, oleic acid; 18:2n-6, linoleic acid; 18:3n-6, γ-linolenic acid; 18:3n-3, α-linolenic acid; 20:0, eicosanoic acid; 20:1, eicosenic acid; 20:2n-6, eicosadienoic acid; 20:3n-6, dihomo-γ-linolenic acid; 20:4n-6, arachidonic acid; 22:0, behenic acid; 22:4n-6, docosatetraenoic acid; and 24:0, lignoceric acid.