Optimization of Large-Scale Culture Conditions for the Production of Cordycepin with Cordyceps militaris by Liquid Static Culture

Table 1

Range of different factors investigated with Plackett-Burman design.

Symbol	Variables	Experimental value
		Low (−1)	High (+1)
𝑋1	Sucrose (g/L)	20	25
𝑋2	Peptone (g/L)	20	25
𝑋3	Virtual 1	−1	1
𝑋4	K2HPO4·3H2O (g/L)	1	1.25
𝑋5	VB1 (g/L)	10	12.5
𝑋6	MgSO4·7H2O (g/L)	1	1.25
𝑋7	Virtual 2	−1	1