Table 3. Comparison of the effects of various metal ions, EDTA and various organic solvents on M. blollops SK-4 and Cryptococcus sp. S-2 lipase activity.
| Divalent cation or EDTA or Organic solvents | Relative activity (%) | |
| M. blollopis SK-4 | Cryptococcus sp. S-2 | |
| None | 100.0 | 100.0 |
| EDTA | 106.7 | ND |
| Metal salts | ||
| MgCl2 | 102.2 | >70 |
| MnCl2 | 101.6 | >70 |
| FeCl2 | 90.0 | >70 |
| ZnCl2 | 83.6 | ND |
| CoCl2 | 85.9 | ND |
| CaCl2 | 112.8 | >70 |
| PbCl2 | 61.6 | ND |
| CuCl2 | 67.2 | <70 |
| Ethanol | 107.5 | ND |
| Methanol | 112.3 | 53.3 |
| Diethyl ether | 113.1 | 116.7 |
| 2– Propanol | 95.5 | ND |
| Dimethyl sulfoxide (DMSO) | 134.3 | 121.4 |
| Hexane | 104.9 | 95.2 |
| Acetone | 77.9 | 83.3 |
| Chloroform | 70.4 | 74.8 |
| N, N- dimethylformamide (DMF) | 122.3 | 92.4 |