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. 2015 Dec 26;8(12):e27553. doi: 10.5812/jjm.27553

Table 2. Central Composite Design of Factors in Coded Levels With Phytase Activity as Response.

Run Factor A, pH Factor B, Methanol, % Factor C, Temperature, °C Phytase Activity, U/mL
Experimental Predicted
1 -1 -1 -1 127.7 132.553
2 1 -1 -1 113.1 116.923
3 -1 1 -1 65.3 60.013
4 1 1 -1 57.9 50.833
5 -1 -1 1 98.3 102.293
6 1 -1 1 87.1 89.313
7 -1 1 1 50.2 43.303
8 1 1 1 44.7 36.773
9 -1 0 0 146.4 149.736
10 1 0 0 129.7 138.656
11 0 -1 0 235.1 220.216
12 0 1 0 130.5 157.676
13 0 0 -1 117.3 120.976
14 0 0 1 90.2 98.816
5 0 0 0 195.5 182.019
16 0 0 0 191.4 182.019
17 0 0 0 184.9 182.019
18 0 0 0 170.6 182.019
19 0 0 0 193.1 182.019
20 0 0 0 181.2 182.019