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.
| Model | Parameter estimates | value |
| Constant | −5927.29 | .430 | %cellobiose | 2266.84 | .433 | %yeast extract | 17046.43 | .039 | %amm sulfate | 5762.06 | .134 | pH | −375.86 | .776 | %cellobiose × %yeast extract | −829.59 | .646 | %cellobiose × %amm sulfate | −98.28 | .903 | %cellobiose × pH | 331.26 | .233 | %yeast extract × %amm sulfate | −2829.54 | .231 | %yeast extract × pH | 59.00 | .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 |
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