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Table 1 Parameters and levels used in the central composite design (CCD)

From: Modeling bikaverin production by Fusarium oxysporum CCT7620 in shake flask cultures

Independent variablesSymbolCoded levels
− 1.68− 10+ 1+ 1.68
Temperature (°C)T2124283235
Agitation speed (rpm)A71115180245289
Rice concentration (g/L)[S]16.430507083.6