Table 4 ANOVA results of the quadratic model for CGTase activity (R² = 0.9776; Adj R² = 0.9487)

Model

2.008 × 10⁸

9

2.231 × 10⁷

33.91

< 0.0001

Significant

A

1.848 × 10⁷

1

1.848 × 10⁷

28.08

0.0011

B

4.066 × 10⁶

1

4.066 × 10⁶

6.18

0.0418

C

1.170 × 10⁷

1

1.170 × 10⁷

17.78

0.0040

AB

7.190 × 10⁶

1

7.190 × 10⁶

10.93

0.0130

AC

1.388 × 10⁵

1

1.388 × 10⁵

0.21

0.6600

BC

8.077 × 10⁶

1

8.077 × 10⁶

12.28

0.0099

A²

5.012 × 10⁷

1

5.012 × 10⁷

76.18

< 0.0001

B²

1.108 × 10⁷

1

1.108 × 10⁷

16.84

0.0045

C²

7.632 × 10⁷

1

7.632 × 10⁷

116.00

< 0.0001

Residual

4.605 × 10⁶

7

6.579 × 10⁵

Lack of fit

1.543 × 10⁶

3

5.143 × 10⁵

0.67

0.6126

Not significant

Pure error

3.062 × 10⁶

4

7.656 × 10⁵

Cor total

2.054 × 10⁸

16