a) Without activator (b) With activator; SD: Standard Deviation; SE: Standard Error; Minimum a: 67.200; Maximum a: 100.00; Sum a: 504.97; Mean a: 84.162; Variance a: 179.93; SD a: 13.414; SE a: 5.4762; Minimum b: 75.340; Maximum b: 100.00; Sum b: 528.39; Mean b: 88.065; Variance b: 107.95; SD b: 10.390; SE b: 4.2417

Figure 14: Effect of thermostability at 70°C with and without activator (10 mM ZnCl2) on different time periods.