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Table 1 Fatty acid profile in rat hippocampus after 12 weeks of feeding trial (Mean ±1 SE)

From: Alterations in neuronal morphology and synaptophysin expression in the rat brain as a result of changes in dietary n-6: n-3 fatty acid ratios

 

Groups

Fatty acid

CTRL

LMO

MMO

HMO

Myristic Acid (14:0)

1.85 ± 0.14a

2.07 ± 0.26a

3.18 ± 0.07b

2.25 ± 0.44ab

Myristoleic Acid (14:1)

0.83 ± 0.11b

1.43 ± 0.30b

0.00 ± 0.00a

0.00 ± 0.00a

Palmitic Acid (16:0)

23.42 ± 0.79

22.40 ± 0.65

21.38 ± 0.59

22.27 ± 0.93

Stearic Acid (18:0)

22.77 ± 0.21

22.82 ± 0.35

22.23 ± 0.40

22.78 ± 0.64

Oleic Acid (18:1)

19.56 ± 0.34

19.10 ± 0.35

19.59 ± 1.28

20.17 ± 1.31

Linoleic Acid (18:2 n-6)

0.73 ± 0.10

0.92 ± 0.08

0.66 ± 0.11

0.81 ± 0.23

Linolenic Acid (18:3 n-3)

1.47 ± 0.11

1.81 ± 0.21

1.42 ± 0.41

1.44 ± 0.13

Nervonic Acid (24:1)

4.81 ± 0.14ab

4.86 ± 0.59ab

5.37 ± 0.30b

3.42 ± 0.57a

Arachidonic Acid (20:4 n-6)

10.91 ± 0.52

9.46 ± 0.51

9.28 ± 0.51

7.65 ± 0.32

Eicosapentaenoic acid (20:5n-3)

1.02 ± 0.21b

1.32 ± 0.34b

1.55 ± 0.43ab

2.45 ± 0.15a

Docosapentaenoic acid (22:5n-3)

0.13 ± 0.03

0.32 ± 0.02

0.26 ± 0.01

0.41 ± 0.04

Docosahexaenoic acid (22:6 n-3)

12.50 ± 0.62a

13.49 ± 0.70ab

13.95 ± 1.46ab

15.75 ± 0.38b

Total SFA

48.04 ± 0.71

47.30 ± 0.50

46.79 ± 0.46

47.30 ± 1.14

Total MUFA

25.20 ± 0.46

25.39 ± 1.02

24.96 ± 1.37

23.59 ± 1.49

Total n-3 PUFA

15.12 ± 0.66a

16.94 ± 0.51ab

17.18 ± 1.05ab

20.05 ± 0.27b

Total n-6 PUFA

11.64 ± 0.42

10.19 ± 0.44

10.01 ± 0.58

8.38 ± 0.49

Total PUFA

26.76 ± 1.03

27.13 ± 1.65

27.19 ± 1.98

28.43 ± 1.76

(n-6):(n-3)

0.77 ± 0.02b

0.60 ± 0.01ab

0.58 ± 0.05ab

0.42 ± 0.03a

UFA:SFA

1.09 ± 0.03

1.12 ± 0.02

1.14 ± 0.02

1.15 ± 0.05

PUFA:SFA

0.56 ± 0.03

0.57 ± 0.02

0.58 ± 0.03

0.60 ± 0.01

  1. a, b notations differ significantly within rows at P < 0.05.
  2. CTRL: control group, LMO: low menhaden oil, MMO: medium menhaden oil and HMO: high menhaden oil. SFA: sum of C14:0, C16:0, C18:0. MUFA: sum of C14:1, C18:1, C24:1. Total n-3PUFA: sum of C18:3n-3, C20:5n-3, C22:5n-3, C22:6n-3. Total n-6PUFA: sum of C18:2n-6, C20:4n-6. (n-6): (n-3): Total n-6PUFA (C18:2n-6, C20:4n-6): Total n-3PUFA (C18:3n-3, C20:5n-3, C22:6n-3).