Table 4 Biocatalytic productivity of immobilized and free-state GDH on bread waste hydrolysate (BWH)
Parameter | Free-state GDH | GDH-MM-SBA-15-300 1st cycle | GDH-MM-SBA-15-200 1st cycle | GDH-MM-SBA-15-300 5th cycle | GDH-MM-SBA-15-200 5th cycle | GDH-MM-SBA-15-300 10th cycle | GDH-MM-SBA-15-200 10th cycle |
|---|---|---|---|---|---|---|---|
Conversion of glucose in BWH (%) | 45 ± 8 | 23 ± 2 | 25 ± 2 | 21 ± 4 | 23 ± 3 | 25 ± 2 | 22 ± 2 |
Gluconic acid (GA) production from BWH (gGA/gGDH) | 47 ± 1 | 32 ± 1 | 35 ± 1 | 31 ± 1 | 38 ± 2 | 12 ± 1 | 25 ± 3 |