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Effect of tested variables on biosurfactant production by Penicillium 8CC2.
| Factors | Effect |
|---|---|
| Average | 61,2 ± 0,381881 |
| A: soybean | −5,125 ± 0,853913∗ |
| B: yeast extract | 15,125 ± 0,853913∗ |
| C: pH | 4,625 ± 0,853913∗ |
| D: time | 9,625 ± 0,853913∗ |
| AB | −1,375 ± 0,853913 |
| AC | −0,875 ± 0,853913 |
| AD | −1,375 ± 0,853913 |
| BC | −0,125 ± 0,853913 |
| BD | 7,375 ± 0,853913∗ |
| CD | −4,625 ± 0,853913∗ |
The effects that showed statistical significance (95% confidence level) are indicated by the symbol ∗.
