Time SalmonellaTyphimurium Escherichia coli O157:H7 Listeria monocytogenes
Day 0 1.8 ±0.17a 0.9 ±0.2a 5.8 ±0.08a
Day 1 2.6 ±0.03b 6.1 ±0.09b 5.8 ±0.05a
Day 2 3.7 ±0.27b 4.0 ±0.3b 5.8 ±0.01a
Carpet coupons inoculated with 3 different pathogenic bacteria were treated with titanium dioxide and incubated in the absence of light. Viability analyses were conducted over 2-days
Table 3: Log reduction of pathogenic bacteria on carpet coupons incubated in dark conditions after exposure to the sanitizing agent.