Table 3.

Matrix of the experimental results obtained in the central composite rotational design

Run	X 1	X 2	X 3	X 4	TRS (g/L)	Efficiency (%)
1	−1	−1	−1	−1	46.8	51.7
2	1	−1	−1	−1	69.5	76.8
3	−1	1	−1	−1	68.8	76.1
4	1	1	−1	−1	78.7	87.0
5	−1	−1	1	−1	59.1	65.4
6	1	−1	1	−1	83.4	92.2
7	−1	1	1	−1	64.8	71.6
8	1	1	1	−1	81.1	89.6
9	−1	−1	−1	1	114.6	85.0
10	1	−1	−1	1	127.8	94.7
11	−1	1	−1	1	118.2	87.7
12	1	1	−1	1	132.3	98.1
13	−1	−1	1	1	107.3	79.6
14	1	−1	1	1	115.1	85.3
15	−1	1	1	1	108.4	80.4
16	1	1	1	1	131.1	97.3
17	−2	0	0	0	72.3	66.7
18	2	0	0	0	81.5	75.2
19	0	−2	0	0	68.1	62.9
20	0	2	0	0	93.0	85.8
21	0	0	−2	0	94.4	87.1
22	0	0	2	0	87.4	80.7
23	0	0	0	−2	61.8	76.1
24	0	0	0	2	157.5	97.0
25	0	0	0	0	87.5	80.8
26	0	0	0	0	90.0	82.9
27	0	0	0	0	85.3	78.7
28	0	0	0	0	86.9	80.2

X ₁, X ₂, X ₃, and X ₄ are coded values of amyloglucosidase, pectinase, time, and solid to liquid ratio, respectively