Skip to main content

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.