Table 2.

Box–Behnken experimental design and the results of β-glucosidase activity from K.marxianus in pure okara solution

Run number	A	B	C	β-glucosidase activity (U/mg)
1	− 1 (30)	− 1 (72)	0 (10)	2.69
2	1 (40)	− 1	0	2.84
3	− 1	1 (120)	0	2.84
4	1	1	0	2.97
5	− 1	0 (96)	− 1 (8)	2.14
6	1	0	− 1	2.41
7	− 1	0	1 (12)	2.09
8	1	0	1	2.2
9	0 (35)	− 1	− 1	2.69
10	0	1	− 1	3.07
11	0	− 1	1	2.69
12	0	1	1	2.66
13	0	0	0	4.5
14	0	0	0	4.54
15	0	0	0	4.56
16	0	0	0	4.38
17	0	0	0	4.58

A, cultivation temperature (°C); B, cultivation time (h); C, inoculum concentration (%)