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Table 6 Epidydimal 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)]

1.12 ± 0.18

0.87 ± 0.18

0.81 ± 0.18

0.67 ± 0.18

1.33 ± 0.19

1.10 ± 0.17

1.32 ± 0.20

0.86 ± 0.20

P = 0.25

P = 0.025i

P = 0.69

ALA [18:3(n-3)]

1.14 ± 0.10ab

7.88 ± 0.11c

1.94 ± 0.10e

7.47 ± 0.11d

0.79 ± 0.11b

5.14 ± 0.10f

1.17 ± 0.12a

4.71 ± 0.12g

P < 0.0001†

P < 0.0001ii

ΔP < 0.0001

SDA [18:4(n-3)]

0.05 ± 0.074a

0.04 ± 0.08a

0.28 ± 0.073c

5.06 ± 0.075b

0.004 ± 0.08a

0.005 ± 0.07a

0.14 ± 0.082a

2.51 ± 0.082d

P < 0.0001†

P < 0.0001iii

ΔP < 0.0001

AA [20:4(n-6)]

0.43 ± 0.03

0.27 ± 0.035

0.35 ± 0.034

0.43 ± 0.04

0.56 ± 0.037

0.32 ± 0.032

0.34 ± 0.038

0.45 ± 0.04

P = 0.36

P < 0.0001iv

P = 0.15

EPA [20:5(n-3)]

0.14 ± 0.09

0.15 ± 0.087

1.21 ± 0.086

0.59 ± 0.089

n.d.

0.07 ± 0.08

0.88 ± 0.10

0.51 ± 0.10

P = 0.16

P < 0.0001v

P = 0.30

DPA [22:5(n-3)]

0.12 ± 0.07ad

0.24 ± 0.076ad

0.89 ± 0.073c

0.61 ± 0.076b

0.04 ± 0.08a

0.28 ± 0.070d

1.05 ± 0.083c

1.00 ± 0.082c

P = 0.20

P < 0.0001vi

ΔP = 0.0029

DHA [22:6(n-3)]

0.11 ± 0.10

0.18 ± 0.10

1.69 ± 0.10

0.22 ± 0.10

0.11 ± 0.10

0.33 ± 0.088

1.45 ± 0.10

0.53 ± 0.10

P = 0.82

P < 0.0001v

P = 0.52

∑SFA

22.68 ± 0.44a

23.06 ± 0.44a

25.66 ± 0.43c

20.59 ± 0.44b

27.91 ± 0.47d

27.84 ± 0.41d

30.43 ± 0.49e

27.66 ± 0.48d

P < 0.0001‡

P < 0.0001vii

ΔP < 0.0001

∑MUFA

69.12 ± 0.50a

62.27 ± 0.51b

56.64 ± 0.50d

53.59 ± 0.51c

61.64 ± 0.54b

56.39 ± 0.48d

51.00 ± 0.56e

50.55 ± 0.56e

P < 0.0001†

P < 0.0001viii

ΔP = 0.0055

∑n3PUFA

1.65 ± 0.36a

8.61 ± 0.37d

6.08 ± 0.35c

14.65 ± 0.37f

0.83 ± 0.39a

5.78 ± 0.34c

4.76 ± 0.40b

9.92 ± 0.40e

P < 0.0001†

P < 0.0001ix

ΔP < 0.0001

∑n6PUFA

1.55 ± 0.17

1.15 ± 0.17

1.16 ± 0.17

1.12 ± 0.18

1.88 ± 0.18

1.42 ± 0.16

1.66 ± 0.19

1.31 ± 0.19

P = 0.17

P = 0.0046x

P = 0.76

  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: iCON, FISH, FLAX > SDA; iiFLAX > SDA > FISH > CON; iiiSDA > FISH > CON, FLAX; ivCON > SDA > FISH, FLAX; vFISH > SDA > FLAX, CON; viFISH > SDA > FLAX > CON; viiFISH > FLAX, CON > SDA; viiiCON > FLAX > FISH > SDA; ixSDA > FLAX > FISH > CON; xCON > FISH, FLAX, SDA.
  4. n.d.- not detectable.