Table 2.

Box-Behnken experimental design matrix with experimental values of mold count (cuf g⁻¹)

NO.	Code			Un code			Mold count Y (cuf g−1)
	X1	X2	X3	X1	X2	X3
1	−1	−1	0	300	10	70	5.2
2	1	−1	0	700	10	70	0.0
3	−1	1	0	300	20	70	5.4
4	1	1	0	700	20	70	0.0
5	−1	0	−1	300	15	50	5.8
6	1	0	−1	700	15	50	3.7
7	−1	0	1	300	15	90	5.5
8	1	0	1	700	15	90	3.5
9	0	−1	−1	500	10	50	4.7
10	0	1	−1	500	20	50	4.2
11	0	−1	1	500	10	90	3.5
12	0	1	1	500	20	90	2.2
13	0	0	0	500	15	70	0.0
14	0	0	0	500	15	70	0.0
15	0	0	0	500	15	70	0.0