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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.