Reducing Sugar Production from Teff Straw Biomass Using Dilute Sulfuric Acid Hydrolysis: Characterization and Optimization Using Response Surface Methodology

Table 5

ANOVA for the quadratic model for dilute sulfuric acid hydrolysis of Teff straw.

Source	SS	DF	MS	F value	value
Model	194.91	14	13.92	196.74	<0.0001
A	97.47	1	97.47	1377.40	<0.0001
B	71.54	1	71.54	1010.98	<0.0001
C	18.50	1	18.50	261.44	<0.0001
D	0.75	1	0.75	10.60	0.0069
AB	3.80	1	3.80	53.74	<0.0001
AC	0.64	1	0.64	9.04	0.0109
AD	0.90	1	0.90	12.75	0.0038
BC	0.36	1	0.36	5.09	0.0436
BD	0.49	1	0.49	6.92	0.0219
CD	0.30	1	0.30	4.97	0.0441
A^2	0.049	1	0.049	0.69	0.4217
B^2	9.259E-003	1	9.259E-003	0.13	0.7238
C^2	0.063	1	0.063	0.88	0.3655
D^2	9.259E-005	1	9.259E-005	1.308E-003	0.9717
Residual	0.85	12	0.071
Lack of Fit	0.83	10	0.083	8.29	0.1123
Pure error	0.020	2	1.0E-002
Corr total	195.76	26