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

Table 3

Factors and levels of central composite design for carbon sources and inorganic salts.

Symbol	Variables	Code level
		−1.6818	−1	0	1	1.6818
𝑋1	Sucrose (g/L)	3.1821	10	20	30	36.8179
𝑋4	K2HPO4·3H2O (g/L)	0.1591	0.5	1	1.5	1.8409
𝑋6	MgSO4·7H2O (g/L)	0.1591	0.5	1	1.5	1.8409