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Table 1.

Fatty acid profiles of the standard diet and the two experimental diets, the diet with a low level of arachidonic acid (low-ArA) and pellets enriched with ArA(high-ArA)*

DietStandardLow-ArAHigh-ArA
Saturates 29.4±0.1 30.3±0.3 30.2±0.3 
Mono-unsaturates 36.1±0 33.1±0.1 32.7±0.3 
Polyunsaturates 34.8±0.1 36.9±0.2 37.4±0.5 
n-3 Polyunsaturates 27.9±0.1 22.5±0.3 20.7±0.6 
n-6 Polyunsaturates 4.0±0.1 12.3±0.1 14.8±0 
n-3/n-6 7.1±0.1 1.8±0 1.4±0 
α-Linolenic acid (α-LNA, 18:3n-3) 1.3±0.1 1.2±0 1.2±0 
Linoleic acid (LA, 18:2n-6) 2.9±0 10.9±0.1 11.6±0 
α-LNA/LA 0.4±0 0.1±0 0.1±0 
Docosahexaenoic acid (DHA, 22:6n-3) 11.9±0.1 11.1±0.2 10.5±0 
Eicosapentaenoic acid (EPA, 20:5n-3) 9.9±0 7.0±0.1 6.7±0 
Arachidonic acid (ArA, 20:4n-6) 0.6±0 0.9±0 2.4±0 
DHA/EPA 1.2±0 1.6±0 1.6±0 
DHA/ArA 20.7±1.1 12.5±0.3 4.3±0.1 
EPA/ArA 17.3±0.6 7.8±0.1 2.7±0.1 
DietStandardLow-ArAHigh-ArA
Saturates 29.4±0.1 30.3±0.3 30.2±0.3 
Mono-unsaturates 36.1±0 33.1±0.1 32.7±0.3 
Polyunsaturates 34.8±0.1 36.9±0.2 37.4±0.5 
n-3 Polyunsaturates 27.9±0.1 22.5±0.3 20.7±0.6 
n-6 Polyunsaturates 4.0±0.1 12.3±0.1 14.8±0 
n-3/n-6 7.1±0.1 1.8±0 1.4±0 
α-Linolenic acid (α-LNA, 18:3n-3) 1.3±0.1 1.2±0 1.2±0 
Linoleic acid (LA, 18:2n-6) 2.9±0 10.9±0.1 11.6±0 
α-LNA/LA 0.4±0 0.1±0 0.1±0 
Docosahexaenoic acid (DHA, 22:6n-3) 11.9±0.1 11.1±0.2 10.5±0 
Eicosapentaenoic acid (EPA, 20:5n-3) 9.9±0 7.0±0.1 6.7±0 
Arachidonic acid (ArA, 20:4n-6) 0.6±0 0.9±0 2.4±0 
DHA/EPA 1.2±0 1.6±0 1.6±0 
DHA/ArA 20.7±1.1 12.5±0.3 4.3±0.1 
EPA/ArA 17.3±0.6 7.8±0.1 2.7±0.1 

Fatty acids were determined in duplicate subsamples and are expressed as percentages of total fatty acids. Values are means ± s.e.m.

*

See Materials and methods.

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