Table 2.

Variance analysis of response surface quadratic model for the extraction of BS mucilage.

Source	Sum of Squares	df	Mean Square	F Value	P-Value (Prob > F)	Significance
Model	1739.21	14	124.23	13.09	<0.0001	**
A-Temperature	80.81	1	80.81	8.52	0.0140	*
B-Liquid-solid ratio	531.04	1	531.04	55.97	<0.0001	**
C-Time	92.59	1	92.59	9.76	0.0097	**
D-Shear speed	109.16	1	109.16	11.51	0.0060	**
AB	0.74	1	0.74	0.077	0.7859
AC	28.70	1	28.70	3.03	0.1098
AD	0.15	1	0.15	0.016	0.9022
BC	104.74	1	104.74	11.04	0.0068	**
BD	11.61	1	11.61	1.22	0.2922
CD	75.40	1	75.40	7.95	0.0167	*
A2	180.33	1	180.33	19.01	0.0011	**
B2	502.27	1	502.27	52.94	<0.0001	**
C2	343.50	1	343.50	36.20	<0.0001	**
D2	17.53	1	17.53	1.85	0.2013
Residual	104.37	11	9.49
Lack of Fit	103.78	10	10.38	17.76	0.1828	Not significant
Pure Error	0.58	1	0.58
Cor Total	1843.57	25

** Means significant differences (P < 0.01), * Means significant differences (P < 0.05).