Table 7 Fatty acid composition of brain

C16:0

24.09^ab (24.02–24.14)

26.61^a (24.86–27.92)

23.79^b (23.6–24.46)

23.98^a (23.54–24.73)

C18:0

21.58^ab (21.38–21.8)

21.03^a (19.39–21.21)

21.6^b (21.5–21.77)

21.44^ab (21.34–21.7)

C18:1n-9

23.2^a (22.85–23.39)

21.23^a (21–21.59)

22.06^a (21.63–23.06)

22.34^a (21.44–23.41)

C18:2n-6 (LA)

0.56^a (0.53–0.87)

0.99^a (0.9–1.01)

0.98^a (0.95–1.24)

1.11^a (0.9–1.31)

C18:3n-3 (ALA)

0.00^a (0.00–0.00)

0.00^a (0.00–0.00)

0.09^b (0.07–0.15)

0.00^a (0.00–0.00)

C20:4n-6 (AA)

9.62^a (9.44–9.97)

9.82^a (9.65–10.62)

9.54^a (9.25–9.79)

9.82^a (9.34–9.99)

C20:5n-3 (EPA)

2.6^a (2.57–2.64)

2.64^a (2.52–2.75)

2.59^a (2.54–2.79)

2.70^a (2.59–2.76)

C:22:5 n-6 (DPA n-6)

0.26^a (0.17–0.27)

0.21^a (0.15–1.66)

0.2^a (0.15–0.26)

0.17^a (0.13–0.2)

C22:5 n-3 (DPA n-3)

0.31^a (0.29–0.47)

0.27^a (0.25–0.29)

0.27^a (0.23–0.31)

0.20^a (0.18–0.23)

C22:6n-3 (DHA)

13.46^a (13.34–13.63)

13.32^a (13.01–13.98)

13.72^a (13.5–14.22)

13.42^a (13.15–13.66)

Total SFAs

46.91^a (46.69–47.22)

48.28^a (46.53–48.77)

47.05^a (46.66–47.4)

46.77^a (46.15–48.12)

Total MUFAs

25.68^a (25.17–25.95)

23.64^a (23–24.04)

24.59^a (23.99–25.62)

24.61^a (23.32–25.99)

Total PUFAs

27.76^a (27.3–27.93)

28.27^a (27.61–30.43)

28.25^a (27.95–28.46)

27.79^a (27.35–28.02)

Total n-6 PUFAs

10.82^a (10.53–10.99)

12.42^a (11.03–13.05)

10.88^a (10.41–11.21)

11.22^a (10.42–11.3)

Total n-3 PUFAs

16.39^a (16.34–16.7)

16.33^a (15.81–16.98)

16.85^a (16.62–17.2)

16.42^a (16.02–16.64)

n-6/ n-3 PUFAs ratio

0.64^a (0.62–0.66)

0.72^a (0.69–0.8)

0.66^a (0.63–0.68)

0.70^a (0.67–0.71)