A Statistical Approach for Optimization of Simultaneous Production of β-Glucosidase and Endoglucanase by Rhizopus oryzae from Solid-State Fermentation of Water Hyacinth Using Central Composite Design

Table 2

Experimental design of central composite design.

Std order	Sub conc	pH	Temp.	β-glucosidase production		Endoglucanase production
				Actual value	Predicted value	Actual value	Predicted value
1	0.5	6	18	50±3	46.07	250±17.32	198.91
2	1.25	6	18	100±3	104.46	325±20.22	310.48
3	0.5	9	18	16.66±1	7.03	25±2	22.93
4	1.25	9	18	33.33±2.94	40.42	250±10	259.50
5	0.5	6	40	83.32±3.25	75.46	250±14	236.04
6	1.25	6	40	116.65±4.23	125.51	350±3	347.61
7	0.5	9	40	50±3.6	44.77	25±2	35.06
8	1.25	9	40	66.6±1.96	69.82	225±12.58	271.63
9	0.24	7.5	29	50±2	65.46	150±6.245	181.76
10	1.50	7.5	29	150±13.22	135.61	500±24.24	474.51
11	0.87	4.9	29	83.3±1.12	82.01	175±5.56	221.57
12	0.87	10.0	29	0±0	2.36	50±4.3	9.71
13	0.87	7.5	10.5	33.33±1.15	34.14	175±6.55	207.43
14	0.87	7.5	47.5	83.32±1.5	83.57	275±13.74	248.85
15	0.87	7.5	29	116.65±0.56	116.61	450±22.91	449.82
16	0.87	7.5	29	116.65±2.05	116.61	450±17.32	449.82
17	0.87	7.5	29	116.65±3.02	116.61	450±19.92	449.82
18	0.87	7.5	29	116.65±1.02	116.61	450±21.79	449.82
19	0.87	7.5	29	116.65±0.73	116.61	450±20.95	449.82
20	0.87	7.5	29	116.65±1.07	116.61	450±10	449.82