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Table 1 Factors and levels of Plackett-Burman design

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

Number

Factor

Level

− 1

0

+ 1

A

Glucose

3%

4%

5%

B

Peptone

3%

4%

5%

C

KH2PO4

0.25

0.5

0.75

D

Magnesium Sulfate

0.5%

1%

1.5%

E

Ammonium Sulfate

0.75%

1.0%

1.5%

F

Glutamate

0.1%

0.15%

0.2%