Table 2.
Regression analysis for the biodegradation of BPA by Pseudomonas putida YC-AE1
| Source | Coefficient | Sum of Squares | Degrees of freedom | Mean Square | F Value |
P value Prob > F |
|---|---|---|---|---|---|---|
| Model | 38,370.26 | 19 | 2019.48 | 229.53 | < 0.0001 | |
| pH, A | 14.45 | 1670.42 | 1 | 1670.42 | 189.86 | < 0.0001 |
| NaCl Conc., B | −12.65 | 1280.18 | 1 | 1280.18 | 145.50 | < 0.0001 |
| Incubation period, C | 22 | 3872 | 1 | 3872 | 440.09 | < 0.0001 |
| Inoculum size, D | 11.425 | 1044.24 | 1 | 1044.24 | 118.68 | < 0.0001 |
| Incubation temp., E | −4.45 | 158.42 | 1 | 158.42 | 18.00 | 0.0022 |
| AB | 1.38625 | 30.74 | 1 | 30.74 | 3.49 | 0.0944 |
| AE | −1.48625 | 35.34 | 1 | 35.34 | 4.01 | 0.0760 |
| BD | −2.71125 | 117.61 | 1 | 117.61 | 13.36 | 0.0053 |
| BE | 17.65125 | 4985.06 | 1 | 4985.06 | 566.60 | < 0.0001 |
| A2 | −11.9997 | 3532.64 | 1 | 3532.64 | 401.52 | < 0.0001 |
| B2 | −3.59973 | 317.90 | 1 | 317.90 | 36.13 | 0.0002 |
| C2 | −8.27473 | 1679.82 | 1 | 1679.82 | 190.92 | < 0.0001 |
| D2 | −9.68723 | 2302.26 | 1 | 2302.26 | 261.67 | < 0.0001 |
| E2 | −17.5497 | 7556.09 | 1 | 7556.09 | 858.82 | < 0.0001 |
| A2B | −7.42375 | 293.93 | 1 | 293.93 | 33.40 | 0.0003 |
| A2C | −21.6013 | 2488.60 | 1 | 2488.60 | 282.85 | < 0.0001 |
| A2D | −8.23875 | 362.01 | 1 | 362.01 | 41.14 | 0.0001 |
| A2E | −18.7013 | 1865.26 | 1 | 1865.26 | 212.00 | < 0.0001 |
| AB2 | −13.8863 | 1028.41 | 1 | 1028.41 | 116.89 | < 0.0001 |
| Residual | 79.18 | 9 | 8.79 | |||
| Lack of Fit | 79.13 | 7 | 11.30 | 484.50 | 0.0021 | |
| Pure Error | 0.04 | 2 | 0.02 | |||
| Total | 38,449.44 | 28 | R2 = 0.9979 | Adj-R2 = 0.9935 | ||