Research Article

Production of β-Glucosidase from a Newly Isolated Aspergillus Species Using Response Surface Methodology

Table 5

Estimated regression coefficients for β-glucosidase production.

ModelParameter estimates value

Constant−5927.29.430
%cellobiose2266.84.433
%yeast extract17046.43.039
%amm sulfate5762.06.134
pH−375.86.776
%cellobiose × %yeast extract−829.59.646
%cellobiose × %amm sulfate−98.28.903
%cellobiose × pH331.26.233
%yeast extract × %amm sulfate−2829.54.231
%yeast extract × pH59.00.937
%amm sulfate × pH−381.47.269
%cellobiose × %cellobiose−1258.96.020
%yeast extract × %yeast extract−9695.37.020
%amm sulfate × %amm sulfate−579.77.457
pH × pH−6.08.944