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

Table 5

Ranges of variables used in CCD.

S. no	Variables	Code	Levels
			−2.37	−1	0	1	2.37
1	Temperature (°C)	𝐴	20	25	30	35	40
2	Substrate concentration (g/L)	𝐵	1	2	3	4	5
3	pH	𝐶	6	6.5	7	7.5	8
4	Agitation speed (rpm)	𝐷	50	100	150	200	250
5	Inoculum size (mL)	𝐸	1	2	3	4	5