Research Article
Statistical Optimization of Media Components for Production of Fibrinolytic Alkaline Metalloproteases from Xenorhabdus indica KB-3
Table 3
Estimated effect, contribution, and ANOVA for Plackett-Burman design experiment for the five chemical components.
| | Source | % Contribution | Studentized effect | Ranking | Sum of squares | Mean squares | df | value | value prob. > | Coefficient estimate | |
| | Model | | | | | | 5 | 19.00 | 0.0013 | | Significant | | -Tryptone | 0.87 | 38.14 | 4 | 4720.33 | 4720.33 | 1 | 0.89 | 0.3817 | 19.83 | | | -Soya peptone | 11.96 | 141.81 | 3 | 60208.33 | 60208.33 | 1 | 11.36 | 0.0150 | 70.83 | | | -Dextrose | 24.89 | 204.53 | 2 | | | 1 | 23.57 | 0.0028 | 102.00 | | | -NaCl | 58.71 | 314.14 | 1 | | | 1 | 55.71 | 0.0003 | 156.83 | | -Dipotassium
phosphate | 3.57 | −77.47 | 5 | 18408.33 | 18408.33 | 1 | 3.47 | 0.1116 | −39.17 | | | Residual | | | | 31787.67 | 5297.94 | 6 | | | | |
| | Corrected total | | | | | | 11 | | | | |
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