(a) Without activator (b) With activator; SD: Standard Deviation; SE: Standard Error; Minimum a: 74.320; Maximum a: 100.00; Sum a: 539.31; Mean a: 89.885; Variance a: 100.62; SD a: 10.031; SE a: 4.0951; Minimum b: 81.280; Maximum b: 100.00; Sum b: 561.42; Mean b: 93.570; Variance b 50.756; SD b: 7.1243; SE b: 2.9085

Figure 13: Effect of thermostability at 60°C with and without activator (10mM ZnCl2) on different time periods.