| Process parameter |
Xylanase production (Ugds-1) |
Process parameter |
Xylanase production (Ugds-1) |
| Incubation temperature (°C) |
|
Carbon supplements (0.5 %) |
|
| 25 |
2000.41 |
Control |
3819.00 |
| 28 |
2365.00 |
Glucose |
600.16 |
| 30 |
3112.19 |
Fructose |
1032.82 |
| 35 |
3112.19 |
Mannose |
2160.27 |
| 40 |
3112.19 |
Maltose |
1019.50 |
| 45 |
2600.54 |
Lactose |
1618.04 |
| Initial pH |
|
|
|
| 3.0 |
0.0 |
Sucrose |
1204.35 |
| 3.5 |
100.28 |
Arabinose |
1032.82 |
| 4.0 |
304.76 |
Galactose |
1322.50 |
| 4.5 |
700.11 |
Starch |
2002.25 |
| 5.0 |
1280.24 |
Nitrogen supplements (0.2 %) |
|
| 5.5 |
1900.04 |
Control |
3819.00 |
| 6.0 |
2212.65 |
Yeast extract |
3422.00 |
| 6.5 |
2609.31 |
Peptone |
3068.00 |
| 7.0 |
3112.00 |
Soybean meal |
4500.39 |
| 7.5 |
2819.30 |
Corn steep solid |
4385.40 |
| 8.0 |
2750.74 |
Casein |
3270.10 |
| 9.0 |
1907.00 |
Urea |
2477.18 |
| 10.0 |
1005.45 |
Phenylalanine |
2301.00 |
| Spore concentration (spores gds-1) |
|
|
|
1X103
|
701.40 |
Arginine |
3290.75 |
1X 104
|
1100.17 |
Arginine |
2000.08 |
1X 105
|
1930.29 |
Tryptophan |
4029.40 |
1X 106
|
3112.18 |
NH4NO3
|
2989.26 |
1X 107
|
3370.52
|
NaNO3
|
3999.07 |
1X 108
|
2915.84
|
(NH4)2SO4
|
2149.37 |
1X 109
|
2180.16
|
NH4Cl |
2594.22 |
| 1X 1010 |
1750.19 |
Soybean meal + Corn steep solid |
4734.03 |
| Initial moisture level (%) |
|
Metal supplements (0.1%) |
|
| 40 |
1041.79
|
Control |
4734.03
|
| 50 |
1960.00
|
CaCl2 |
4604.40
|
| 60 |
2803.17
|
NaCl |
4175.62
|
| 70 |
3372.58
|
KCl |
4182.02
|
| 75 |
3410.41
|
MgCl2 |
4214.00
|
| 80 |
3650.50
|
K2HPO4 |
4673.55 |
| 85 |
3650.50
|
Detergents additives (1%) |
|
| 90 |
3407.19 |
Control |
4734.03
|
| Particle size (µm) |
|
|
|
| 200 |
1209.20
|
Triton X-100 |
5150.18
|
| 400 |
2300.08
|
Tween-20 |
5709.20
|
| 600 |
3650.29
|
Tween-80 |
5294.00
|
| 800 |
3819.00
|
Sodium dodecyl sulphate (SDS) |
750.29
|
| 1000 |
3043.59
|
Polyethylene glycol |
5000.10
|
| 2000 |
2218.13 |
Sodium tetraborate |
1804.70 |
