Journal of Engineering

Research Article

Enhanced Production of Cellulase from Pineapple Waste by Response Surface Methodology

Table 3

Plackett-Burman experimental design for nine variables.
Run orderABCDEFGHICellulase activity IU/mL
11−1−111−111−16.5
21−11−11111−17.5
3111−1−111−118.5
4−1−1−1−11−11−114.5
511−1−111−1116.9
61111−1−111−17.7
7−1−11−11−11115.7
81−1−1−1−11−11−15
911−1−1−1−11−117
10−11−11111−1−16.3
11−1−111−111−1−15.4
1211−111−1−1−1−14.9
13−1−1−11−11−1116.1
14−111−111−1−1−15.5
15−11−11−111117.8
16−111−1−1−1−11−14.1
17−1−1−1−1−1−1−1−1−12.9
18−11111−1−1114.5
191−111−1−1−1−115.7
201−11111−1−118