Table 9 ANOVA for the regression model of TFA production from enzymolysis of wheat bran.

From: Optimization of Aspergillus Niger fermentation for enzyme production and enzymatic hydrolysis of wheat bran for total ferulic acid via RSM

Parameter

Quadratic sum (SS)

Free degree (DF)

MS

F value

Significance

model Model

3.12

9

0.3468

685.61

***

X1

0.4232

1

0.4232

836.66

***

X2

0.0061

1

0.0061

12.07

*

X3

0.0219

1

0.0219

43.39

***

X1 × 2

0.0044

1

0.0044

8.74

*

X1 × 3

0.0221

1

0.0221

43.60

***

X2 × 3

0.0013

1

0.0013

2.56

 

X12

1.08

1

1.08

2141.82

***

X22

0.5518

1

0.5518

1090.83

***

X32

0.7357

1

0.7357

1454.43

***

Residual

0.0035

7

0.0005

  

Lack of Fit term

0.0005

3

0.0002

0.2382

 

Pure Error

0.0030

4

0.0008

  

Cor Total

3.12

16

   
  1. *P < 0.05; ** P < 0.01; *** P < 0.001.