Research Article
Statistical Optimization of Laccase Production and Delignification of Sugarcane Bagasse by Pleurotus ostreatus in Solid-State Fermentation
Table 6
Regression coefficients and identification of significant variables (
) for laccase production using central composite design,
.
| | Factor | Coefficients | Standard error | t-value | P value |
| | Intercept | −249.9 | 80.11 | −3.120 | 0.02059 | | Yeast extract (La) | 41.53 | 12.19 | 3.405 | 0.01440 | | Yeast extract (Qb) | −3.236 | 0.7220 | −4.482 | 0.004182 | | Cu²+ (L) | 2.071 | 0.4551 | 4.550 | 0.003890 | | Cu²+ (Q) | −0.0060 | 0.00116 | −5.483 | 0.001539 | | Ferulic acid (L) | 106.7 | 34.13 | 3.127 | 0.02040 | | Ferulic acid (Q) | −28.68 | 6.498 | −4.414 | 0.004501 |
|
|
Linear; bquadratic.
|
