Harnessing Mucor spp. for Xylanase Production: Statistical Optimization in Submerged Fermentation Using Agro-Industrial Wastes

Table 4

ANOVA for the experimental results of xylanase biosynthesis by M. circinelloides.

Source	Sum of squares	Degree of freedom	Mean of squares	value	value
Model	1608.62	20	80.431	58.10	0.000	Significant
Linear	787.16	5	157.431	113.73	0.000
A	477.94	1	477.943	345.27	0.000
B	38.28	1	38.283	27.66	0.000
C	247.63	1	247.635	178.90	0.000
D	0.00	1	0.004	0.00	0.958
E	23.29	1	23.291	16.83	0.000
Square	237.41	5	47.483	34.30	0.000
A^2	21.21	1	21.208	15.32	0.001
B^2	49.74	1	49.738	35.93	0.000
C^2	0.42	1	0.416	0.30	0.589
D^2	84.92	1	84.925	61.35	0.000
E^2	17.72	1	17.717	12.80	0.001
2-way interaction	584.05	10	58.405	42.19	0.000
AB	17.36	1	17.357	12.54	0.002
AC	177.51	1	177.513	128.24	0.000
AD	0.04	1	0.043	0.03	0.862
AE	200.18	1	200.176	144.61	0.000
BC	124.96	1	124.958	90.27	0.000
BD	0.01	1	0.007	0.00	0.945
BE	12.58	1	12.584	9.09	0.006
CD	43.01	1	43.015	31.07	0.000
CE	6.97	1	6.969	5.03	0.034
DE	1.43	1	1.431	1.03	0.319
Residual	34.61	25	1.384
Lack-of-fit	26.62	20	1.331	0.83	0.655	Not significant
Pure error	7.99	5	1.597
Total	1643.23	45

: 0.9789; adjusted : 0.9621; predicted : 0.9282.