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Table 3 Regression coefficients in terms of coded factors for optimization of cellulose production

From: Optimized culture conditions for bacterial cellulose production by Acetobacter senegalensis MA1

Factor Coefficient Estimate df Standard Error VIF
Intercept 378.60 1 45.72  
A-Carbon −44.53 1 25.22 1.47
B-Nitrogen −5.85 1 25.42 1.50
C-pH −36.49 1 26.88 1.54
D-Temperature −100.81 1 25.42 1.46
E-Additives −118.84 1 76.32 1.51
AB −39.34 1 25.93 1.15
AC −86.99 1 28.46 1.30
AD 16.48 1 26.92 1.24
AE −200.23 1 81.14 1.39
BC 37.56 1 28.36 1.32
BD −1.80 1 26.78 1.23
BE 132.81 1 83.80 1.45
CD −17.6 1 29.38 1.43
CE 113.14 1 87.74 1.70
DE 5.16 1 80.12 1.35
A2 −15.42 1 18.41 1.06
B2 −6.47 1 18.41 1.06
C2 −85.58 1 18.72 1.11
D2 −45.43 1 18.41 1.06
E2 −64.79 1 140.34 1.20