Skip to main content

Table 9 Brain fatty acid profile in LZR and OZR rats fed CON, FLAX, FISH, or SDA diets for 12 week

From: Effect of stearidonic acid-enriched soybean oil on fatty acid profile and metabolic parameters in lean and obese Zucker rats

Fatty acid ( % of total)

Lean

Obese

Main effect

 
 

CON

FLAX

FISH

SDA

CON

FLAX

FISH

SDA

Genotype

Diet

Interaction

LA [18:2(n-6)]

0.005 ± 0.002

0.009 ± 0.002

0.005 ± 0.002

0.009 ± 0.002

0.007 ± 0.002

0.007 ± 0.001

0.010 ± 0.002

0.012 ± 0.002

P = 0.13

P = 0.48

P = 0.35

ALA [18:3(n-3)]

1.31 ± 0.030

1.36 ± 0.030

1.28 ± 0.028

1.23 ± 0.030

1.19 ± 0.030

1.20 ± 0.024

1.16 ± 0.030

1.05 ± 0.030

P < 0.0001†

P < 0.0001i

P = 0.58

SDA [18:4(n-3)]

0.16 ± 0.027

0.14 ± 0.027

0.18 ± 0.026

0.18 ± 0.027

0.08 ± 0.028

0.10 ± 0.022

0.13 ± 0.027

0.12 ± 0.027

P = 0.078

P = 0.30

P = 0.83

AA [20:4(n-6)]

11.02 ± 0.20de

10.69 ± 0.20cd

9.80 ± 0.19b

10.65 ± 0.20cd

11.19 ± 0.21e

10.27 ± 0.16bc

8.87 ± 0.20a

10.48 ± 0.20cd

P = 0.16

P < 0.0001ii

ΔP = 0.021

EPA [20:5(n-3)]

0.023 ± 0.01a

0.028 ± 0.01a

0.13 ± 0.01c

0.079 ± 0.01b

0.018 ± 0.01a

0.066 ± 0.0b

0.24 ± 0.01e

0.20 ± 0.01d

P < 0.0001‡

P < 0.0001iii

ΔP < 0.0001

DPA [22:5(n-3)]

0.13 ± 0.018a

0.28 ± 0.018b

0.46 ± 0.017c

0.66 ± 0.018e

0.13 ± 0.018a

0.33 ± 0.014b

0.56 ± 0.018d

0.81 ± 0.018f

P = 0.0009‡

P < 0.0001iv

ΔP < 0.0001

DHA [22:6(n-3)]

12.80 ± 0.22

13.53 ± 0.21

14.38 ± 0.21

13.53 ± 0.22

13.52 ± 0.22

13.61 ± 0.17

15.06 ± 0.22

13.90 ± 0.22

P = 0.077‡

P < 0.0001v

P = 0.26

∑SFA

36.00 ± 0.27

35.78 ± 0.26

35.74 ± 0.25

35.73 ± 0.26

36.35 ± 0.27

36.06 ± 0.21

35.77 ± 0.26

36.83 ± 0.27

P = 0.16

P = 0.074vi

P = 0.091

∑MUFA

19.90 ± 0.16

20.44 ± 0.15

20.84 ± 0.15

20.1 ± 0.15

19.61 ± 0.16

20.08 ± 0.12

20.03 ± 0.15

19.82 ± 0.16

P = 0.021†

P < 0.0001vii

P = 0.14

∑n3PUFA

14.62 ± 0.21

15.53 ± 0.20

16.61 ± 0.19

15.85 ± 0.20

15.08 ± 0.21

15.46 ± 0.16

17.23 ± 0.20

16.29 ± 0.21

P = 0.14

P < 0.0001iii

P = 0.21

∑n6PUFA

11.02 ± 0.20bd

10.70 ± 0.20b

9.80 ± 0.19b

10.65 ± 0.20bc

11.20 ± 0.21d

10.28 ± 0.16c

8.88 ± 0.20a

10.49 ± 0.20b

P = 0.17

P < 0.0001ii

ΔP = 0.023

  1. ΔDifferent letters represent significance among means as determined by Bonferroni correction (P < 0.05).
  2. Genotype Effect: †Lean > Obese; ‡Obese > Lean.
  3. Diet Effect: iFLAX > CON > FISH > SDA; iiCON > FLAX, SDA > FISH; iiiFISH > SDA > FLAX > CON; ivSDA > FISH > FLAX > CON; vFISH > SDA, FLAX > CON; viSDA, CON > FISH, FLAX; viiFISH, FLAX > SDA, CON.