Homogenate Extraction of Crocins from Saffron Optimized by Response Surface Methodology

Table 1

Results of the variance analysis of regression model.

Source	Sum of squares	df	Mean squares	-value	Prob
Model	64.82	14	4.63	19.78	<0.0001
	0.25	1	0.25	1.05	0.3221
	1.97	1	1.97	8.41	0.0116
	3.29	1	3.29	14.04	0.0022
	4.30	1	4.30	18.36	0.0008
	0.01	1	0.01	0.043	0.8392
	0.00	1	0.00	0.015	0.9031
	1.44	1	1.44	6.15	0.0264
	0.22	1	0.22	0.92	0.3528
	0.01	1	0.00	0.03	0.8630
	0.09	1	0.09	0.40	0.5386
	8.20	1	8.20	35.05	<0.0001
	0.01	1	0.01	0.029	0.8683
	1.54	1	1.54	6.58	0.0225
	48.42	1	48.42	206.87	<0.0001
Residual	3.28	14	0.23
Lack of fit	2.53	10	0.25	1.35	0.4149
Pure error	0.75	4	0.19
Cor total	68.09	28
		Adj

: significant; : highly significant; df: degree of freedom.