Table 2.
Plackett–Burman design for screening of parameters for cellulase production in fermentation.
| Run No. | A | B | C | D | E | F | G | H | J | K | L | Relative activity (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | 1 | 1 | 88.5 |
| 2 | −1 | 1 | 1 | 1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | 63.37 |
| 3 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | −1 | 61.55 |
| 4 | 1 | −1 | 1 | 1 | −1 | 1 | 1 | 1 | −1 | −1 | −1 | 100 |
| 5 | 1 | 1 | −1 | 1 | 1 | 1 | −1 | −1 | −1 | 1 | −1 | 53.78 |
| 6 | −1 | 1 | 1 | −1 | 1 | 1 | 1 | −1 | −1 | −1 | 1 | 86.28 |
| 7 | 1 | −1 | 1 | 1 | 1 | −1 | −1 | −1 | 1 | −1 | 1 | 61.76 |
| 8 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | 1 | 1 | 1 | 80.93 |
| 9 | −1 | 1 | −1 | 1 | −1 | −1 | 1 | 1 | 1 | −1 | −1 | 84.56 |
| 10 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | 1 | 1 | 1 | −1 | 71.85 |
| 11 | 1 | 1 | −1 | −1 | 1 | 1 | −1 | 1 | 1 | −1 | 1 | 65.19 |
| 12 | 1 | 1 | 1 | −1 | −1 | −1 | 1 | −1 | 1 | 1 | −1 | 74.07 |