TABLE 1.
Variation in inactivation rates of E. coli O157:H7 strains and S. flexneri strain 5348 in SGF-saline
| Strain | Ratio | Ratea | Significance |
|---|---|---|---|
| E. coli O157:H7 OB1340 | 100:1 | −0.264 (0.036) | Ab (2)c |
| E. coli O157:H7 OB90520A | 100:1 | −1.807 (1.316) | B (12) |
| 10:1 | −0.933 (0.354) | X (6) | |
| E. coli O157:H7 OB141412 | 100:1 | −1.563 (0.314) | A,B (2) |
| E. coli O157:H7 OB1525C | 100:1 | −1.749 (1.309) | A,B (7) |
| 10:1 | −1.176 (0.059) | X,Y (2) | |
| E. coli O157:H7 OB1423C | 100:1 | −1.738 (0.919) | A,B (6) |
| 10:1 | −0.947 (0.127) | X (2) | |
| E. coli O157:H7 OB1514C1 | 100:1 | −1.917 (0.721) | B (4) |
| 10:1 | −1.739 (0.147) | Y (2) | |
| E. coli O157:H7 OB1680G | 100:1 | −1.101 (0.435) | A,B (4) |
| 10:1 | −0.627 (0.007) | X (2) | |
| E. coli O157:H7 OB1533A | 100:1 | −0.708 (0.477) | A,B (4) |
| 10:1 | −0.575 (0.424) | X (2) | |
| E. coli O157:H7 DB1538 | 100:1 | −1.248 (0.428) | A,B (4) |
| 10:1 | −0.986 (0.305) | X (2) | |
| S. flexneri 5348 | 100:1 | −8.784 (3.133) | C (6) |
| 10:1 | −17.310 (0.000) | Z (2) |
a
Mean inactivation rate (standard deviation).
b
Means with the same letter are not significantly different. A, B, and C are for the 100:1 proportion, and X, Y and Z are for the 10:1 proportion.
c
Numbers in parentheses are the number of replicate experiments.