TABLE 1.

Variation in inactivation rates of E. coli O157:H7 strains and S. flexneri strain 5348 in SGF-saline

StrainRatioRateaSignificance
E. coli O157:H7 OB1340100:1−0.264 (0.036)Ab (2)c
E. coli O157:H7 OB90520A100:1−1.807 (1.316)B (12)
10:1−0.933 (0.354)X (6)
E. coli O157:H7 OB141412100:1−1.563 (0.314)A,B (2)
E. coli O157:H7 OB1525C100:1−1.749 (1.309)A,B (7)
10:1−1.176 (0.059)X,Y (2)
E. coli O157:H7 OB1423C100:1−1.738 (0.919)A,B (6)
10:1−0.947 (0.127)X (2)
E. coli O157:H7 OB1514C1100:1−1.917 (0.721)B (4)
10:1−1.739 (0.147)Y (2)
E. coli O157:H7 OB1680G100:1−1.101 (0.435)A,B (4)
10:1−0.627 (0.007)X (2)
E. coli O157:H7 OB1533A100:1−0.708 (0.477)A,B (4)
10:1−0.575 (0.424)X (2)
E. coli O157:H7 DB1538100:1−1.248 (0.428)A,B (4)
10:1−0.986 (0.305)X (2)
S. flexneri 5348100:1−8.784 (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.