Results of Box–Behnken experiment.

Run	X 1	X 2 (%)	X 3 (min)	Y 1 (mg g−1)	Y 2 (mg g−1)
1	2	30	30	19	56
2	1	40	30	17	50
3	3	40	30	10	36
4	2	40	10	15	45
5	2	20	50	16	47
6	1	30	50	16	48
7	1	30	10	17	49
8	2	40	50	13	40
9	3	20	30	14	43
10	2	30	30	19	56
11	1	20	30	15	48
12	2	30	30	19	56
13	2	30	30	20	57
14	3	30	50	12	38
15	3	30	10	14	43
16	2	30	30	20	57
17	2	20	10	15	44