Table 4

Mucosal fatty acid profile (%) in rats fed the n6 diet at weeks 12 and 19 after the first dose of carcinogen or vehicle

n6 dietWeek 12Week 19
ControlsAOMp ValueControlsAOMp Value
SFAs34.3  (0.30)35.8  (0.49)0.02233.7  (0.50)35.5  (0.44)0.025
MUFAs23.9 (0.22)22.8 (0.62)0.1225.8 (1.07)24.3 (0.74)0.52
 C18:1n916.9 (0.21)15.8 (0.46)0.0619.8 (0.87)4-150 18.4 (0.77)4-151 0.42
n3 PUFAs0.63 (0.03)0.62 (0.04)0.930.81 (0.07)4-150 0.65 (0.03)0.08
 C18:3n30.08 (0.01)0.08 (0.01)0.820.10 (0.01)0.07 (0.01)0.08
 C20:5n30.11 (0.003)0.12 (0.02)0.370.11 (0.01)0.11 (0.01)0.81
 C22:6n30.39 (0.02)0.37 (0.02)0.490.46 (0.06)0.38 (0.02)0.11
n6 PUFAs41.1 (0.44)40.6 (0.91)0.6139.6 (0.63)39.5 (0.45)0.87
 C18:2n616.1 (0.48)16.7 (1.20)0.6419.5 (1.06)4-150 18.02 (1.25)0.20
 C20:3n62.42 (0.15)2.84 (0.15)0.08 1.70 (0.20)4-150 1.88 (0.12)†† 0.42
 C20:4n619.9 (0.56)18.4 (0.26)0.05115.8 (1.00)** 16.9 (1.19)0.26
ARA:EPA189.2 (8.8)161.6 (23.2)0.26146.4 (11.4)4-150 152.2 (9.1)0.99
  • Values are expressed as mean (SEM).

  • 4-150 p<0.05 and **p<0.01 v controls at week 12.

  • 4-151 p<0.05 and ††p<0.01 v AOM at week 12.

  • AOM, azoxymethane; SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid; ARA:EPA, arachidonic acid to eicosapentanoic acid ratio.