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Table 8 Soleus muscle fatty acid profile in LZR and OZR rats fed CON, FLAX, FISH, or SDA diets for 12 weeks

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)]

0.06 ± 0.02ac

0.007 ± 0.02b

0.02 ± 0.02abc

0.04 ± 0.02abc

0.03 ± 0.01ab

0.02 ± 0.01ab

0.03 ± 0.02ab

0.07 ± 0.01c

P = 0.95

P = 0.0045i

P = 0.64

ALA [18:3(n-3)]

1.71 ± 0.64

4.79 ± 0.69

1.88 ± 0.67

4.08 ± 0.65

1.80 ± 0.69

3.51 ± 0.54

1.32 ± 0.66

1.80 ± 0.67

P = 0.23

P < 0.0001ii

P = 0.18

SDA [18:4(n-3)]

0.66 ± 0.35

0.39 ± 0.38

0.47 ± 0.38

2.72 ± 0.36

0.044 ± 0.38

0.15 ± 0.30

0.19 ± 0.37

0.41 ± 0.37

P = 0.067†

P < 0.0001i

ΔP = 0.0020

AA [20:4(n-6)]

5.37 ± 0.64b

3.40 ± 0.70a

1.90 ± 0.68a

3.58 ± 0.65a

3.60 ± 0.70ab

2.90 ± 0.54a

3.74 ± 0.67ab

3.63 ± 0.67ab

P = 0.91

P = 0.026iii

ΔP = 0.019

EPA [20:5(n-3)]

0.41 ± 0.21

0.48 ± 0.22

1.66 ± 0.22

1.41 ± 0.21

0.32 ± 0.22

0.22 ± 0.17

0.85 ± 0.21

1.11 ± 0.21

P = 0.15

P < 0.0001iv

P = 0.18

DPA [22:5(n-3)]

1.19 ± 0.33

1.71 ± 0.36

1.69 ± 0.35

2.87 ± 0.34

0.99 ± 0.36

0.95 ± 0.28

1.51 ± 0.34

2.15 ± 0.35

P = 0.28

P < 0.0001i

P = 0.58

DHA [22:6(n-3)]

4.14 ± 1.00ac

4.82 ± 1.08ab

7.09 ± 1.06b

4.06 ± 1.01a

2.27 ± 1.08a

1.87 ± 0.84a

3.57 ± 1.03ac

5.01 ± 1.04c

P = 0.16

P = 0.054iv

ΔP = 0.043

∑SFA

29.69 ± 0.64

29.50 ± 0.70

31.17 ± 0.68

28.54 ± 0.65

30.12 ± 0.70

30.15 ± 0.54

32.38 ± 0.67

30.24 ± 0.68

P = 0.24

P = 0.0004v

P = 0.65

∑MUFA

50.76 ± 2.26

51.57 ± 2.45

46.00 ± 2.39

46.86 ± 2.29

56.05 ± 2.45

50.83 ± 1.90

47.21 ± 2.34

42.56 ± 2.36

P = 0.90

P < 0.0001vi

P = 0.093

∑n3PUFA

8.32 ± 1.52

12.29 ± 1.65

13.00 ± 1.61

15.63 ± 1.54

5.54 ± 1.65

6.79 ± 1.28

7.67 ± 1.57

10.88 ± 1.59

P = 0.023†

P < 0.0001vii

P = 0.72

∑n6PUFA

5.41 ± 0.65c

3.41 ± 0.70b

1.92 ± 0.69a

3.62 ± 0.66b

3.62 ± 0.70b

2.91 ± 0.55ab

3.76 ± 0.67b

3.68 ± 0.68b

P = 0.91

P = 0.026iii

ΔP = 0.020

  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: iSDA > CON, FISH > FLAX; iiFLAX > SDA > FISH, CON; iiiCON > SDA, FLAX, FISH; ivSDA, FISH > FLAX, CON; vFISH > CON, FLAX, SDA; viCON, FLAX > FISH, SDA; viiSDA > FISH, FLAX > CON.