Enhanced Production of Cellulase from Pineapple Waste by Response Surface Methodology

Table 4

Ranges of variables used in RSM.

Variables (g/L)	Code	−2	−1	0	+1	+2
Avicel	A	15	20	25	30	35
Soybean cake flour	B	10	15	20	25	30
KH2PO4	C	2	3	4	5	6
Yeast extract	D	5	7.5	10	12.5	15