Harnessing Mucor spp. for Xylanase Production: Statistical Optimization in Submerged Fermentation Using Agro-Industrial Wastes

Table 8

Effects of metal ions and detergents on activity and stability of partially purified xylanase from M. circinelloides and M. hiemalis.

Metal ions and detergents	Conc.	M. circinelloides		M. hiemalis
		Relative activity (%)	Relative stability (%)	Relative activity (%)	Relative stability (%)
Control	0		—		—
K^+	10 mM
Mg^2+	10 mM
Ba^2+	10 mM
Ni^2+	10 mM
Tween 80	1% (v/v)
	5% (v/v)
Tween 20	1% (v/v)
	5% (v/v)
Urea	1% (w/v)
	5% (w/v)
Na2CO3	50 mM
	75 mM

The data were given as averages of three replicates ().