Test

Scavenger added

Log reduction achieved

Disinfection rate constant (k) [s1]

After 10 min

After 40 min

Step 1

Step 2

Test I-1

Mannitol (•OH blocked)

0.67

4.26

0.149

0.279

Test I-2

SOD (blocked)

0.66

5.14

0.147

0.333

Test I-3

Catalase (H2O2 blocked)

0.44

3.78

0.106

0.249

Test I-4

Mannitol, SOD, Catalase

0.29

3.22

0.064

0.236

Test I-5

No scavengers

0.96

6.87

0.223

0.460

Test I-6

Control test of UV alone

0.39

0.77

0.092

0.026