Production of Xylanase from Arthrobacter sp. MTCC 6915 Using Saw Dust As Substrate under Solid State Fermentation

Table 1

Effect of Metal Ion Concentration on Xylanase Activity of Arthrobacter sp MTCC 6915 using saw dust as substrate.

Metal salt solution	Enzyme activity (U/mL) at 540 nm
ZnCl2	168
FeSO4	142.8
MgSO4	157.6
MgCl2	155.4
CuCl2	142.8
HgCl2	25.2
CaCl2	130.2
EDTA	10.5

ZnCl₂—zinc chloride; CuCl₂—copper chloride; FeSO₄—ferrous sulphate; HgCl₂—mercuric chloride; MgSO₄—magnesium sulphate; CaCl₂—calcium chloride; EDTA—ethylene diamine tetra acetic acid; MgCl₂—magnesium chloride.