Table 2

Treatment	Independent variables			Dependent variable
Treatment	Temp (°C)	Time (min)	Solid-Liquid ratio	Anthocyanin yield (mg/100g)
1	-1	-1	0	110
2	1	-1	0	122
3	-1	1	0	136
4	1	1	0	138
5	-1	0	-1	124
6	1	0	-1	126
7	-1	0	1	120
8	1	0	1	128
9	0	-1	-1	127
10	0	1	-1	135
11	0	-1	1	124
12	0	1	1	138
13	0	0	0	144
14	0	0	0	144
15	0	0	0	142
16	0	0	0	144
17	0	0	0	144

Table 2: Box–Behnken design and experiment data for anthocyanins extraction.