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Full-factorial design for the biosurfactant production by Serratia marcescens UCP 1549 after 72 h
| Assay | Lactose (%) | Cassava flour wastewater (%) | Corn oil (%) | Surface tension (mN/m) | |
|---|---|---|---|---|---|
| Experimental | Predicted | ||||
| 1 | − 1 | − 1 | − 1 | 29.33 | 28.77 |
| 2 | 1 | − 1 | − 1 | 42.29 | 41.73 |
| 3 | − 1 | 1 | − 1 | 25.92 | 25.36 |
| 4 | 1 | 1 | − 1 | 28.34 | 27.78 |
| 5 | − 1 | − 1 | 1 | 29.29 | 28.73 |
| 6 | 1 | − 1 | 1 | 34.63 | 34.07 |
| 7 | − 1 | 1 | 1 | 26.78 | 26.22 |
| 8 | 1 | 1 | 1 | 29.07 | 28.51 |
| 9 | 0 | 0 | 0 | 29.03 | 30.14 |
| 10 | 0 | 0 | 0 | 29.33 | 30.14 |
| 11 | 0 | 0 | 0 | 28.82 | 30.14 |
| 12 | 0 | 0 | 0 | 28.89 | 30.14 |
