Research Article

Optimization of Xylanase Production from Aspergillus foetidus in Soybean Residue

Table 1

Code and level of factors chosen for the trials for xylanase FD1 and FD2.

Independent variableSymbolRange and level

Xylanase FD1−1.68−10+1+1.68
Agitation (rpm)86100120140154
Temperature (°C)1822283438
Ph3.657910.3

Xylanase FD2
Agitation (rpm)6084120156180
Temperature (°C)1017283946
pH3.657910.3