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Table 7 Subcutaneous adipose tissue 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)]

0.77 ± 0.24

0.45 ± 0.24

0.57 ± 0.24

0.58 ± 0.24

0.76 ± 0.25

1.16 ± 0.20

0.85 ± 0.24

0.66 ± 0.25

P = 0.36

P = 0.81

P = 0.31

ALA [18:3(n-3)]

0.63 ± 0.15ab

4.72 ± 0.16c

1.23 ± 0.14d

5.03 ± 0.15c

0.49 ± 0.16b

3.61 ± 0.12e

0.92 ± 0.14ad

3.74 ± 0.15e

P = 0.0002†

P < 0.0001i

ΔP < 0.0001

SDA [18:4(n-3)]

0.12 ± 0.10a

0.12 ± 0.11a

0.26 ± 0.10a

2.66 ± 0.11b

n.d.

n.d.

0.02 ± 0.11a

1.50 ± 0.11c

P = 0.0011†

P < 0.0001ii

ΔP < 0.0001

AA [20:4(n-6)]

0.28 ± 0.020

0.21 ± 0.021

0.29 ± 0.020

0.36 ± 0.020

0.28 ± 0.021

0.20 ± 0.016

0.25 ± 0.020

0.33 ± 0.021

P = 0.46

P < 0.0001iii

P = 0.68

EPA [20:5(n-3)]

0.06 ± 0.03a

0.08 ± 0.04a

0.57 ± 0.03cd

0.28 ± 0.04b

0.04 ± 0.04a

0.08 ± 0.03a

0.62 ± 0.03d

0.52 ± 0.04c

P = 0.10

P < 0.0001v

ΔP < 0.0001

DPA [22:5(n-3)]

0.04 ± 0.03a

0.01 ± 0.03bc

0.46 ± 0.03e

0.32 ± 0.03d

0.05 ± 0.03ab

0.16 ± 0.02c

0.68 ± 0.029f

0.66 ± 0.031f

P < 0.0001‡

P < 0.0001vi

ΔP < 0.0001

DHA [22:6(n-3)]

n.d.

0.03 ± 0.04ab

0.73 ± 0.04c

0.07 ± 0.04ab

0.06 ± 0.04ab

0.13 ± 0.033b

1.12 ± 0.04e

0.33 ± 0.041d

P < 0.0001‡

P < 0.0001v

ΔP < 0.0001

∑SFA

26.20 ± 1.06

25.55 ± 1.08

27.46 ± 1.05

24.22 ± 1.09

32.27 ± 1.12

31.20 ± 0.88

34.23 ± 1.05

30.42 ± 1.11

P < 0.0001‡

P = 0.0017vii

P = 0.94

∑MUFA

66.50 ± 1.10

63.54 ± 1.12

61.57 ± 1.09

58.74 ± 1.13

62.66 ± 1.16

60.48 ± 0.91

55.97 ± 1.09

56.71 ± 1.15

P = 0.0083†

P < 0.0001viii

P = 0.27

∑n3PUFA

0.87 ± 0.29a

5.10 ± 0.30c

3.42 ± 0.29b

8.68 ± 0.30e

0.57 ± 0.31a

3.98 ± 0.24b

3.52 ± 0.29b

7.50 ± 0.31d

P = 0.084†

P < 0.0001ix

ΔP = 0.030

∑n6PUFA

1.05 ± 0.24

0.66 ± 0.24

0.86 ± 0.24

0.94 ± 0.25

1.04 ± 0.25

1.35 ± 0.20

1.10 ± 0.24

1.00 ± 0.25

P = 0.40

P = 0.98

P = 0.32

  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, FLAX > FISH > CON; iiSDA > FISH, FLAX, CON; iiiSDA > FISH, CON > FLAX; ivSDA > FISH > FLAX, CON; vFISH > SDA > FLAX, CON; viFISH > SDA > FLAX > CON; viiFISH > CON, FLAX, SDA; viiiCON > FLAX > FISH, SDA; ixSDA > FLAX > FISH > CON.
  4. n.d.- not detectable.