Figure 3: Thermo stability (40 and 50°C) of 1,4-β-D-glucan glucohydrolase (A) and effect of metallic ions and other chemicals on the 1,4-β-D-glucan glucohydrolase (B). Treatment 1, NaCl; 2, LiCl; 3, KCl; 4, NH4Cl; 5, CaCl2; 6, MgCl2; 7, MnCl2; 8, CuSO4; 9, ZnSO4; 10, FeCl3; 11, ethylenediaminetetra acetic acid ; 12, 2-mercaptoethanol; 13, dithiolthreitol; 14, phenylmethanesulphonylfluoride; 15, Sodium dodecyl sulfate