Skip to main content

Table 2 Concentration ranges of the variables used in the central composite design

From: Optimization of glutathione production in Saccharomyces cerevisiae HBSD-W08 using Plackett–Burman and central composite rotatable designs

Factor

Level

−1

0

+ 1

KH2PO4

0.25

0.5

0.75

Glutamate

0.1%

0.15%

0.2%

Peptone

3%

4%

5%