Table 3 Cortex and hippocampus fatty acid composition (%) in mice fed oleic acid-enriched or arachidonic acid-enriched diet

Palmitic acid (16:0)

26.92 ± 0.07

27.04 ± 0.11

25.23 ± 0.14

24.76 ± 0.23

Stearic acid (18:0)

24.93 ± 0.19

25.17 ± 0.09

26.03 ± 0.18

25.72 ± 0.37

Palmitoleic acid (16:1)

0.40 ± 0.00

0.39 ± 0.01

0.43 ± 0.01

0.41 ± 0.00

Oleic acid (18:1)

12.13 ± 0.06

11.52 ± 0.06^a

12.68 ± 0.16

11.61 ± 0.13^a

Linoleic acid (18:2 ω-6)

0.61 ± 0.01

0.38 ± 0.02^b

0.61 ± 0.02

0.34 ± 0.02^a

Arachidonic acid (20:4 ω-6)

11.50 ± 0.03

12.69 ± 0.05^b

13.08 ± 0.15

14.65 ± 0.23^a

Docosatetraenoic acid (22:4 ω-6)

3.71 ± 0.02

4.75 ± 0.04^b

4.76 ± 0.15

5.82 ± 0.09^b

Linolenic acid (18:3 ω-3)

LOQ

LOQ

0.05 ± 0.05

0.02 ± 0.02

Eicosapentaenoic acid (20:5 ω-3)

LOQ

LOQ

LOQ

LOQ

Docosahexaenoic acid (22:6 ω-3)

19.81 ± 0.06

18.04 ± 0.10^b

17.14 ± 0.26

16.68 ± 0.38

Sum of ω-6 PUFA

15.82

17.82

18.44

20.81

Sum of ω-3 PUFA

19.81

18.07

17.19

16.69