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Table 3 Variables range in the central composite non-factorial experimental design

From: Moderate alkali-thermophilic ethanologenesis by locally isolated Bacillus licheniformis from Pakistan employing sugarcane bagasse: a comparative aspect of aseptic and non-aseptic fermentations

Variable Ranges and levels
Axial
−1.41
Minimum
−1
Centre 0 Maximum
1
Axial
1.41
Ctec (g/100 g SCB) 0.718 0.8 1 1.2 1.28
Htec (g/100 g SCB) 0.118 0.2 0.4 0.6 0.68