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. |