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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.