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. 2016 Oct 3;6:86. doi: 10.1186/s13568-016-0255-3

Table 1.

Orthogonal test factors and levels of fermentation parameters

Level A B C D
Inoculum size (%) Temperature (°C) Bath ratio Time (h)
1 1.0 31 1:10 5
2 1.5 33 1:15 10
3 2.0 35 1:20 15
4 2.5 37 1:25 20