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. 2009 Mar 1;40(1):54–60. doi: 10.1590/S1517-83822009000100008

Table 3.

Results obtained in the central composite design for culture medium optimization.

Experiment pH % Dried yeast cells Protease activity (U/ml)
1 9.0 10.0 4.94
2 9.0 5.0 2.42
3 7.0 10.0 4.30
4 7.0 5.0 3.88
5 9.4 7.5 3.98
6 6.6 7.5 5.42
7 8.0 11.0 5.82
8 8.0 4.0 3.36
9* 8.0 7.5 7.18
10* 8.0 7.5 6.88
11* 8.0 7.5 7.42
*

center point.