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Estimated regression coefficients for backward extraction of erythromycin.
| Term | Coefficient | P-value |
|---|---|---|
| Constant | 7.70088 | 0.000 |
| Stripping phase pH | −1.69015 | 0.000 |
| KCl concentration | −9.57829E-05 | 0.709 |
| Sophorolipids concentration | −0.98445 | 0.175 |
| Stripping phase pH × Stripping phase pH | 0.10671 | 0.000 |
| Stripping phase pH × Sophorolipids concentration | 0.11938 | 0.173 |
