TABLE 4.
D55°C (min) of E. coli O157:H7 as affected by temperature and type of alkaline cleanera
| Treatment temp (°C) | Strain | Result with treatment
|
||
|---|---|---|---|---|
| Control | Cleaner 5 | Cleaner 7 | ||
| 4 | EDL 933 | a 16.4 b | a 12.5 b | a 24.1 a |
| FRIK 816-3 | a 15.6 a | a 12.4 a | a 19.0 a | |
| 12 | EDL 933 | a 22.9 a | a 12.2 b | a 19.7 a |
| FRIK 816-3 | a 13.9 a | a 11.9 a | b 13.8 a | |
| 23 | EDL 933 | a 14.3 b | a 9.5 b | a 20.8 a |
| FRIK 816-3 | a 14.7 b | a 9.3 b | a 21.7 a | |
a
Mean values in the same row that are not followed by the same letter are significantly different (P ≤ 0.05); within the same treatment temperature and treatment, mean values not preceded by the same letter are significantly different (P ≤ 0.05). See Table 1 for description of cleaners.