Table 5 Box-Behnken test design for 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

Factors

Level

-1

0

1

Enzymolysis temperature X1/℃

40

50

60

pH value X2

3.5

4.5

5.5

Solid-liquid ratio X3

1:35

1:30

1:25

Back to article page