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Table 2 Experimental domain and codification of the independent variables in the factorial design 32

From: Valuation of agro-industrial wastes as substrates for heterologous production of α-galactosidase

Real values

Coded valuesa

− 1

0

1

Beet molasses (%), X1

6

7.5

9

Cheese whey (%), X2

2

3

4

  1. axi= (Xi − X0)/∆Xi, i = 1, 2; where xi and Xi are the coded and real values of the independent variable i, X0 is the real value of the independent variable i at the central point, and ∆Xi is the step change value
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Microbial Cell Factories

ISSN: 1475-2859

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