Table 2 Regression coefficients of the predicted quadratic polynomial model for response variables (yield% of NUCF) in urea inclusion fractionation experiment of J. curcas seed oil

Intercept

27.97

11.71

0.0010

***

Linear

X ₁

-16.60

73.24

0.0001

***

X ₂

1.85

0.88

0.3767

X ₃

-1.60

0.66

0.4405

Quadratic

X ₁₁

-2.39

0.31

0.5935

X ₂₂

3.88

1.09

0.3263

X ₃₃

-3.43

0.84

0.3849

Interaction

X ₁₂

-2.44

1.28

0.2904

X ₁₃

-2.13

1.02

0.3428

X ₂₃

0.69

0.093

0.7682

R ²

0.92