Table 3 Effect of metal ions on the activity of the purified 1,3-1,4-β-glucanase from Rhizopus microsporus var. microsporus.
Ion | Residual activity (%) |
|---|---|
Control | 100 |
Cu+2 (12 mM) | 0.3 |
Mg+2 (12 mM) | 95.2 |
Fe+3 (12 mM) | 89.6 |
Zn+2 (12 mM) | 65.0 |
Mn+2 (12 mM) | 62.3 |
Ca+2 (12 mM) | 105.9 |
Al+3 (12 mM) | 109.8 |