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. 2017 Aug 16;65(37):8203–8212. doi: 10.1021/acs.jafc.7b03210

Table 5. Effect of Metal Ions on PaPPO Activitya.

  relative activity (%)
salt 1 mM 10 mM
MgSO4 102 ± 1.7 107 ± 1.8
FeSO4 50 ± 2.6 34 ± 1.9
ZnSO4 104 ± 1.8 108 ± 1.9
CuSO4 108 ± 1.5 134 ± 1.1
KCl 87 ± 1.4 45 ± 2.8
NaCl 94 ± 1.5 56 ± 1.2
CaCl2 78 ± 2.5 23 ± 1.4
MnCl2 85 ± 0.99 23 ± 1.3
NiCl2 84 ± 2.3 15 ± 1.4
AlCl3 80 ± 2.0 3.67 ± 0.31
a

All measurements were performed in triplicate. Data is presented as mean ± standard deviation.