Additive | Remaining activity (%) at concentration (mM) of | ||
---|---|---|---|
1 | 5 | 10 | |
Ca2+ | 82 ± 6.71 | 91 ± 2.94 | 105 ± 5.46 |
Cu2+ | 85 ± 1.68 | 85 ± 3.78 | 74 ± 2.52 |
Fe2+ | 101 ± 3.36 | 103 ± 0.42 | 104 ± 3.78 |
Mg2+ | 141 ± 1.68 | 162 ± 2.10 | 124 ± 14.69 |
Mn2+ | 85 ± 1.26 | 98 ± 2.10 | 110 ± 5.46 |
Ni2+ | 91 ± 11.33 | 105 ± 3.36 | 105 ± 3.78 |
Zn2+ | 73 ± 10.91 | 75 ± 8.39 | 107 ± 2.52 |
EDTA | 118 ± 6.71 | 22 ± 0.42 | 21 ± 0.00 |