Optimisation of Cellulase Production by Penicillium funiculosum in a Stirred Tank Bioreactor Using Multivariate Response Surface Analysis

Table 1

Levels of 2⁴ FFD for culture medium optimisation.

Variable	Low level	Center point	High level
A-KH2PO4 (g·L^−1)	4.0	6.0	8.0
B-MgSO4·7H2O (g·L^−1)	0.6	1.2	1.8
C-Urea (g·L^−1)	0.6	1.2	1.8
D-Yeast extract (g·L^−1)	0.5	1.0	1.5