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Table 4 Central composite non-factorial (22) experimental design matrix showing selected variables and their response result as sugars production

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

Standard run Ctec (g/L) Htec (g/L) Total sugars (g/L)
X1 g/100 g SCB X1 coded value X2 g/100 g SCB X2 coded value
1 0.8 −1 0.2 −1 31.07
2 0.8 −1 0.6 1 40.157
3 1.2 1 0.2 −1 39.8668
4 1.2 1 0.6 1 38.941
5 0.718 −1.41 0.4 0 34.458
6 1.28 1.41 0.4 0 41.109
7 1 0 0.118 −1.41 39.122
8 1 0 0.68 1.41 46.359
9 (C) 1 0 0.4 0 47.757
10 (C) 1 0 0.4 0 48.873
11 (C) 1 0 0.4 0 48.221