Source of variation df  Mean square p value
  Intercept 9 7.0** < 0.0001
Linear BET 1 46.52** < 0.0001
  SS 1 2.56** 0.0007
  FR 1 3.86** 0.0001
Interaction BET:SS 1 0.32NS 0.1182
  BET:FR 1 0.02NS 0.6782
  SS:FR 1 0.01NS 0.677
Quadratic BET:BET 1 0.59* 0.0421
  SS:SS 1 6.0** < 0.0001
  FR:FR 1 3.17** 0.0003
Residual 10 0.11 -
Lack of Fit 5 0.21** 0.0006
Pure Error 5 0.005 -
**Significant at 0.01 level
*Significant at 0.05 level
NS Non-significant
Table 3: ANOVA of the predicted second-order polynomial model for α-linolenic acid retention in extruded flaxseed samples.