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Table 5 Variables and their levels for CMCase and protease production using 25 full factorial design

From: Novel Bacillus subtilis IND19 cell factory for the simultaneous production of carboxy methyl cellulase and protease using cow dung substrate in solid-substrate fermentation

Symbol Variables Units Coded levels
−1 1
A Sucrose % 0.1 1
B Peptone % 0.1 1
C NaH2PO4 % 0.01 0.1
D pH % 6 8
E Moisture % 90 110