Characterization of Pectinase from Bacillus subtilis Strain Btk 27 and Its Potential Application in Removal of Mucilage from Coffee Beans

Table 4

Effects of metal ions on pectinase activity.

Metal Ion	Enzyme activity
CaCl2
CoCl2
FeCl2
MgCl2
MnCl2
Control

(i) are mean ± S.D. of 3 replicates; (a) values followed by different superscripts are significantly different at P < 0.05; (b) values followed by same superscripts are not significantly different at ().