Table 11 Regression coefficients of the predicted quadratic polynomial model for response variables (PUFA (LA%)) in urea inclusion fractionation experiment of J. curcas seed oil

Intercept

13.73

3.77

0.0375

**

Linear

X ₁

4.16

6.42

0.0350

**

X ₂

0.83

0.25

0.6321

X ₃

-2.07

1.54

0.2500

Quadratic

X ₁₁

6.88

3.59

0.0949

X ₂₂

-1.44

0.21

0.6592

X ₃₃

1.55

0.24

0.6360

Interaction

X ₁₂

5.61

9.49

0.0151

**

X ₁₃

-0.15

6.701E-003

0.9368

X ₂₃

3.74

3.79

0.0874

R ²

0.80