Table 4. Analysis of variance (ANOVA) for the experimental results of the CCD quadratic model for EPS production the mycelium of G. lucidum strain QRS_5120.

Source	Sum of Squares	DF	Mean Square	F Value	Prob > F
Model	5.364181818	9	0.596020202	16.20420717	<0.0001*	significant
A: pH	3.6	1	3.6	97.8744439	<0.0001*	significant
B: Glucose	0.1	1	0.1	2.718734553	0.1302
C: Agitation	0.121	1	0.121	3.289668809	0.0998
A2	1.330056818	1	1.330056818	36.16071429	0.0001*	significant
B2	0.255056818	1	0.255056818	6.934317845	0.0250*	significant
C2	0.008181818	1	0.008181818	0.222441918	0.6473
AB	0.045	1	0.045	1.223430549	0.2946
AC	0	1	0	0	1.0000
BC	0	1	0	0	1.0000
Residual	0.367818182	10	0.036781818
Lack of Fit	0.192818182	5	0.038563636	1.101818182	0.4589	not significant
Pure Error	0.175	5	0.035
Cor Total	5.732	19
Std. Dev. = 0.19178586543804		R2 = 0.93583074287889		Adeq Precision = 12.53566341056
Mean = 1.48		Adjusted R2 = 0.8780784114699

* Significant value.