| Run |
Coded setting levels |
Actual levels %(w/v) |
Endoxylanase activity (U.mL-1) |
| X1 |
X2 |
X1 |
X2 |
O |
P |
| 1 |
– 1 |
– 1 |
1.5 |
0.3 |
99.70 |
109.84 |
| 2 |
+ 1 |
– 1 |
3.5 |
0.3 |
50.80 |
69.80 |
| 3 |
– 1 |
+ 1 |
1.5 |
1.1 |
147.28 |
132.94 |
| 4 |
+ 1 |
+ 1 |
3.5 |
1.1 |
266.30 |
260.83 |
| 5 |
– 1.41 |
0 |
1.09 |
0.7 |
105.41 |
109.35 |
| 6 |
+ 1.41 |
0 |
3.91 |
0.7 |
179.93 |
171.29 |
| 7 |
0 |
– 1.41 |
2.5 |
0.15 |
91.79 |
72.08 |
| 8 |
0 |
+ 1.41 |
2.5 |
1.26 |
208.03 |
223.04 |
| 9 |
0 |
0 |
2.5 |
0.7 |
241.41 |
241.67 |
| 10 |
0 |
0 |
2.5 |
0.7 |
242.58 |
241.67 |
| 11 |
0 |
0 |
2.5 |
0.7 |
240.97 |
241.67 |
|
| Results are the mean of two experiments; O observed, P predict |
| Table 1: Values of independent variables (SB concentration X1, and CSL concentration X2), used in CCRD, showing the values observed and predicted by the mathematical model for endoxylanase production by Trichoderma atroviride 102C1. |
