Co-production of gallic acid and a novel cell-associated tannase by a pigment-producing yeast, Sporidiobolus ruineniae A45.2

Table 4 Regression of coefficients and ANOVA of the second order polynomial model for response variables in CCD

Source	Gallic acid		CAT		Viable cell numbers
Source	Coefficient	p-value	Coefficient	p-value	Coefficient	p-value
Model	11.49	< 0.0001	29.370	0.0001	7.804	< 0.0001
A-Tannic acid	2.12	0.0003	− 9.460	< 0.0001	− 0.698	< 0.0001
B-Glucose	0.21	0.5201	1.816	0.0962	0.003	0.9596
AB	− 0.67	0.1774	1.721	0.2388	0.104	0.2245
A²	− 4.11	< 0.0001	− 5.955	0.0006	− 0.478	< 0.0001
B²	− 0.52	0.1712	− 3.711	0.0081	− 0.011	0.8541
Lack of fit	0.0093		0.0025		0.0684
R²	0.9654		0.9550		0.9703
Adjusted R²	0.9406		0.9228		0.9491
Predicted R²	0.7674		0.6891		0.8214

ISSN: 1475-2859