Run
|
Variablesa,b
|
Inoculum (pellets)
|
pH
|
Xylanase (U/mL)
|
---|
Peptone
|
RS
|
Xylan
|
---|
1
|
40 (1)
|
30 (−1)
|
40 (1)
|
3 (−1)
|
6 (−1)
|
104.48
|
2
|
40 (1)
|
90 (1)
|
0 (−1)
|
5 (1)
|
6 (−1)
|
629.67
|
3
|
0 (−1)
|
90 (1)
|
40 (1)
|
3 (−1)
|
8 (1)
|
78.36
|
4
|
40 (1)
|
30 (−1)
|
40 (1)
|
5 (1)
|
6 (−1)
|
496.26
|
5
|
40 (1)
|
90 (1)
|
0 (−1)
|
5 (1)
|
8 (1)
|
609.78
|
6
|
40 (1)
|
90 (1)
|
40 (1)
|
3 (−1)
|
8 (1)
|
180.24
|
7
|
0 (−1)
|
90 (1)
|
40 (1)
|
5 (1)
|
6 (−1)
|
71.27
|
8
|
0 (−1)
|
30 (−1)
|
40 (1)
|
5 (1)
|
8 (1)
|
18.58
|
9
|
0 (−1)
|
30 (−1)
|
0 (−1)
|
5 (1)
|
8 (1)
|
26.64
|
10
|
40 (1)
|
30 (−1)
|
0 (−1)
|
3 (−1)
|
8 (1)
|
93.66
|
11
|
0 (−1)
|
90 (1)
|
0 (−1)
|
3 (−1)
|
6 (−1)
|
129.67
|
12
|
0 (−1)
|
30 (−1)
|
0 (−1)
|
3 (−1)
|
6 (−1)
|
139.75
|
13 (C)
|
20 (0)
|
60 (0)
|
20 (0)
|
4 (0)
|
7 (0)
|
358.53
|
14 (C)
|
20 (0)
|
60 (0)
|
20 (0)
|
4 (0)
|
7 (0)
|
421.82
|
15 (C)
|
20 (0)
|
60 (0)
|
20 (0)
|
4 (0)
|
7 (0)
|
439.13
|
16 (C)
|
20 (0)
|
60 (0)
|
20 (0)
|
4 (0)
|
7 (0)
|
439.43
|
- The experiments were conducted at 28 °C and 140 rpm
-
c central point, RS rice straw
-
a In parenthesis coded values
-
b Values in g/L