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Table 1 Range of parameters used for Placket Burrman design

From: RSM based optimization of nutritional conditions for cellulase mediated Saccharification by Bacillus cereus

Parameter

Label

Codes

+1

-1

Substrate Conc. (%)

X 1

0.5

5

FeSO4.7H2O (%)

X 2

0.07

0.13

KH2PO4 (%)

X 3

0.2

0.6

Yeast extract (%)

X 4

0.15

0.5

MgSO4 (%)

X 5

0.06

0.12

CaCl2 (%)

X 6

0.025

0.125

Peptone (%)

X 7

0.03

0.05

CoCl2 (%)

X8

0.05

0.1