Enhanced Production of Xylitol from Corncob by Pachysolen tannophilus Using Response Surface Methodology

Table 6

Central composite design (CCD) in coded levels with xylitol yield as response.

Runs	𝐴	𝐵	𝐶	𝐷	𝐸	Xylitol yield (g/g)
						Experiment	Predicted
1	−2.37	0	0	0	0	0.55	0.50
2	−1	1	1	1	1	0.74	0.76
3	−1	−1	1	1	−1	0.47	0.53
4	0	0	0	0	0	0.80	0.78
5	1	1	1	1	−1	0.62	0.68
6	−1	1	1	−1	−1	0.60	0.61
7	0	0	0	0	0	0.81	0.78
8	1	1	−1	−1	−1	0.43	0.50
9	0	0	0	−2.37	0	0.61	0.57
10	−1	1	−1	1	−1	0.58	0.59
11	1	−1	1	1	1	0.74	0.74
12	1	1	1	1	1	0.80	0.79
13	0	0	−2.37	0	0	0.44	0.41
14	0	−2.37	0	0	0	0.47	0.46
15	−1	−1	−1	−1	1	0.45	0.47
16	0	0	0	0	−2.37	0.59	0.51
17	−1	1	−1	1	1	0.64	0.66
18	2.37	0	0	0	0	0.65	0.62
19	0	0	0	0	0	0.81	0.78
20	−1	−1	1	1	1	0.65	0.60
21	1	1	−1	1	1	0.68	0.70
22	−1	1	1	−1	1	0.65	0.71
23	−1	−1	−1	1	1	0.43	0.46
24	−1	1	−1	−1	−1	0.50	0.54
25	0	0	0	0	0	0.81	0.78
26	0	2.37	0	0	0	0.72	0.66
27	0	0	2.37	0	0	0.69	0.65
28	0	0	0	0	0	0.81	0.78
29	1	−1	1	−1	−1	0.57	0.59
30	−1	1	−1	−1	1	0.67	0.62
31	−1	−1	−1	1	−1	0.42	0.41
32	0	0	0	0	0	0.78	0.78
33	1	1	1	−1	1	0.67	0.66
34	0	0	0	0	0	0.73	0.78
35	0	0	0	0	2.37	0.68	0.68
36	−1	1	1	1	−1	0.67	0.67
37	0	0	0	2.37	0	0.74	0.71
38	−1	−1	1	−1	−1	0.53	0.53
39	1	−1	−1	1	−1	0.53	0.56
40	−1	−1	−1	−1	−1	0.40	0.42
41	1	−1	1	1	−1	0.66	0.66
42	1	1	−1	1	−1	0.65	0.62
43	1	1	1	−1	−1	0.58	0.56
44	1	−1	−1	1	1	0.63	0.62
45	1	−1	−1	−1	1	0.57	0.55
46	1	−1	1	−1	1	0.63	0.67
47	1	1	−1	−1	1	0.57	0.58
48	−1	−1	1	−1	1	0.61	0.60
49	0	0	0	0	0	0.65	0.77
50	1	−1	−1	−1	−1	0.51	0.50