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

Table 3

Box-Behnken design in coded levels with xylitol yield as response.

Runs	𝐴	𝐵	𝐶	𝐷	Xylitol Yield (g/g)
					Experimental	Predicted
1	0	−1	1	0	0.44	0.47
2	0	1	0	−1	0.30	0.32
3	0	0	1	1	0.59	0.59
4	1	0	1	0	0.62	0.64
5	0	0	0	0	0.70	0.69
6	0	1	0	1	0.55	0.58
7	−1	0	0	1	0.50	0.50
8	−1	1	0	0	0.34	0.33
9	0	0	1	−1	0.60	0.56
10	0	−1	−1	0	0.39	0.41
11	−1	0	0	−1	0.36	0.41
12	0	0	0	0	0.70	0.69
13	0	0	−1	−1	0.40	0.36
14	−1	−1	0	0	0.51	0.48
15	−1	0	1	0	0.55	0.54
16	−1	0	−1	0	0.43	0.42
17	0	0	−1	1	0.55	0.55
18	1	0	0	1	0.66	0.62
19	1	0	0	−1	0.48	0.49
20	1	1	0	0	0.63	0.62
21	0	0	0	0	0.69	0.69
22	1	−1	0	0	0.43	0.40
23	0	1	1	0	0.58	0.57
24	1	0	−1	0	0.51	0.53
25	0	−1	0	1	0.39	0.39
26	0	1	−1	0	0.42	0.40
27	0	−1	0	−1	0.45	0.44
28	0	0	0	0	0.70	0.69
29	0	0	0	0	0.70	0.69