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. 2021 Nov 2;11:21492. doi: 10.1038/s41598-021-01017-8

Table 3.

Fatty acid composition of the placebo and DHA-rich algae oil capsules.

Fatty acid composition expressed as % the total fatty acids DHA-rich algae oil capsule Placebo capsule
14:0 5.90 0.07
16:0 17.0 10.7
Cis-9 16:1 0.10 0.10
18:0 0.65 3.38
Trans-9 18:1 0.18 0.00
Cis-9 18:1 6.59 25.9
Cis-11 18:1 0.20 1.34
Cis-9,trans-12 18:2 0.0 0.26
Trans-9,cis-12 18:2 0.0 0.21
20:0 0.12 0.40
20:1 n-9 0.00 0.22
22:0 0.14 0.36
24:0 0.24 0.15
n-6 fatty acids
18:2 n-6 (LA) 0.80 52.4
18:3 n-6 (ALA) 0.31 0.03
20:3 n-6 0.46 0.0
20:4 n-6 (AA) 0.48 0.0
22:4 n-6 0.13 0.0
22:5 n-6 (n-6 DPA) 19.0 0.02
n-3 fatty acids
18:3 n-3 0.0 4.49
18:4 n-3 0.36 0.01
20:4 n-3 0.96 0.0
20:5 n-3 (EPA) 1.15 0.0
22:3 n-3 0.01 0.0
22:5 n-3 (n-3 DPA) 0.59 0.0
22:6 n-3 (DHA) 44.6 0.06
Ratio or sum
∑n-3/∑n-6 2.25 0.09
DHA:n-6 DPA 2.35 3.0
∑n-6 21.2 52.9
∑n-3 47.7 4.56
∑Saturated 24.0 15.1
Trans fatty acids 0.18 0.47
Cis fatty acids 75.8 84.5

LA linoleic acid, ALA alpha-linolenic acid, AA arachidonic acid, DPA docosapentaenoic acid, EPA eicosapentaenoic acid, DHA docosahexaenoic acid.