Table 3.

Analysis of Variance (ANOVA) for BBD quadratic model.

Response	Terms of model	Degree of freedom	Sum of square	Mean square	F-Value	P-Value
Pectinase	Constant	9	103.39	11.48	5.84	0.03*
PGase			171.79	19.09	1.47	0.35
Xylanase			444.04	49.34	350.86	0.00*
Cellulase			898.93	99.88	1.46	0.35
Pectinase	Incubation period (X1)	1	29.64	29.64	15.29	0.05*
PGase			24.62	24.62	1.9	0.23
Xylanase			87.61	49.34	623.01	0.00*
Cellulase			162.67	99.88	2.38	0.18
Pectinase	Orange peel % (X2)	1	1.33	1.33	0.68	0.45
PGase			1.76	1.76	0.14	0.73
Xylanase			1.46	1.46	10.36	0.02*
Cellulase			150.04	150.04	2.2	0.19
Pectinase	Inoculum volume (X3)	1	0.25	0.25	0.13	0.73
Pgase			0.85	0.85	0.07	0.81
Xylanase			21.39	21.39	152.1	0.00*
Cellulase			26.69	26.69	0.39	0.56
Pectinase	X12	1	23.15	29.43	14.97	0.01*
PGase			46.98	60.08	4.63	0.08
Xylanase			137.77	171.89	122.12	0.00*
Cellulase			186.27	23.24	3.37	0.37
Pectinase	X22	1	6.96	9.5	4.83	0.08
PGase			19.76	25.56	1.96	0.22
Xylanase			78.87	93.28	663.39	0.00*
Cellulase			50.35	66.75	0.98	0.13
Pectinase	X32	1	34.46	34.46	17.53	0.01*
PGase			64.64	64.64	4.98	0.08
Xylanase			109.15	109.15	776.25	0.00*
Cellulase			202.71	202.71	2.97	0.15
Pectinase	X1.X2	1	3.51	3.51	1.79	0.64
PGase			9.78	9.78	0.75	0.99
Xylanase			0.62	0.62	43.8	0.36
Cellulase			1.31	1.31	0.02	0.82
Pectinase	X2.X3	1	0.48	0.48	0.24	0.64
PGase			0	0	0	0.99
Xylanase			0.15	0.15	1.03	0.36
Cellulase			3.89	3.89	0.06	0.82
Pectinase	X1.X3	1	3.53	3.53	1.8	0.24
PGase			3.4	3.4	0.26	0.63
Xylanase			7.03	7.03	49.97	0.00*
Cellulase			114.99	114.99	1.68	0.25
Pectinase	Lack of fit	3	6.73	2.24	1.45	0.43
PGase			59.24	19.75	6.96	0.13
Xylanase			0.16	0.05	0.2	0.89
Cellulase			340.18	113.39	168.51	0.01*
Pectinase	Pure error	2	3.1	1.55
PGase			5.68	2.84
Xylanase			0.54	0.27
Cellulase			1.35	0.67
Pectinase	R2	0.91
PGase		0.73
Xylanase		0.99
Cellulase		0.72

^*Significant values at p ≤ 0.05.