Homogenate Extraction of Crocins from Saffron Optimized by Response Surface Methodology

Table 3

Experimental design and responses of the dependent variables to the extract parameters.

Numbers	Factors				Yield/%
	1	0	1	−1		0	20.80
2	−1	−1	0	0	20.48
3	1	0	0	−1	19.09
4	0	0	0	0	22.62
5	−1	0	−1	0	19.55
6	0	0	−1	−1	19.25
7	1	1	0	0	21.77
8	0	0	1	−1	20.67
9	−1	0	0	−1	18.24
10	1	0	0	1	16.92
11	0	−1	−1	0	20.88
12	−1	1	0	0	21.53
13	0	−1	0	1	18.53
14	0	1	0	1	19.34
15	−1	0	1	0	20.28
16	0	0	0	0	21.61
17	1	−1	0	0	20.52
18	0	0	1	1	18.47
19	−1	0	0	1	18.47
20	0	0	0	0	21.97
21	0	0	0	0	22.50
22	0	0	−1	1	17.66
23	0	−1	1	0	21.77
24	0	−1	0	−1	19.17
25	1	0	−1	0	20.68
26	0	1	0	−1	20.15
27	0	0	0	0	21.85
28	1	0	1	0	21.29
29	0	1	1	0	22.62