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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