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Hydrolysis variables and experimental design levels for response surface analysis
| Design levels | Independent factors | |||
|---|---|---|---|---|
| T (C) | pH | E/S (%) | T (min.) | |
| −1 | 50 | 7 | 0.10 | 30 |
| 0 | 55 | 8 | 1.05 | 60 |
| 1 | 60 | 9 | 2.00 | 90 |
T temperature; E/S enzyme/substrate ratio (%v/w of shrimp waste); t time (minutes)
