Research Article
Sequential Statistical Optimization of Media Components for the Production of Glucoamylase by Thermophilic Fungus Humicola grisea MTCC 352
Table 2
Plackett-Burman experimental design matrix for glucoamylase production.
| Run | | | | | | | | | Glucoamylase activity (U/mL) |
| 1 | 1 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | 6.31 | 2 | −1 | 1 | 1 | 1 | −1 | 1 | 1 | −1 | 4.87 | 3 | −1 | 1 | 1 | −1 | 1 | −1 | −1 | −1 | 3.78 | 4 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | 3.02 | 5 | −1 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | 3.97 | 6 | 1 | −1 | 1 | 1 | −1 | 1 | −1 | −1 | 4.94 | 7 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | 1 | 4.83 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.57 | 9 | 1 | 1 | 1 | −1 | 1 | 1 | −1 | 1 | 5.43 | 10 | −1 | −1 | 1 | 1 | 1 | −1 | 1 | 1 | 4.74 | 11 | 1 | −1 | 1 | −1 | −1 | −1 | 1 | 1 | 4.79 | 12 | 1 | 1 | −1 | 1 | 1 | −1 | 1 | −1 | 6.56 | 13 | 1 | −1 | −1 | −1 | 1 | 1 | 1 | −1 | 5.01 |
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