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. 2014 Apr 1;14:119. doi: 10.1186/1472-6882-14-119

Table 5.

Effect of metal chelating agents and inhibitors on miswak α-amylases

Inhibitor Relative activity %
A1 A4a A4b A5a A5b
EDTA
 16
 25
 17
 10
 10
Sodium citrate
 84
 56
 69
 51
 53
Sodium oxalate
 92
 61
 44
 53
 60
PMSF
 90
 91
 88
 48
 77
1,10 phenatroline
 95
 80
 85
 57
 59
p-HMB
 28
 45
 79
 60
 35
DTNB 66 65 65 91 47