Table 2 z values obtained using the slopes of thermal destruction lines constructed in the study and their 95% confidence limits and, for comparison, summaries of reported and calculated z values.

Enterococcus faecium

9.6 (8.8 – 10.5)

3.63 – 14.3

10.2 ± 3.3

24

Enterococcus faecalis

9.5 (8.5 – 10.8)

2.24 – 14.2

8.1 ± 3.2

36

Listeria innocua

5.0 (4.5 – 5.6)

4.65 – 7.3

6.0 ± 0.9

9

Listeria monocytogenes

5.7 (5.6 – 5.9)

4.30 – 11.45

6.3 ± 1.3

103

Listeria ivanovii, L. seeligeri, L. welshimeri †

6.4 (6.1 – 6.7)

6.1 – 6.9

6.5 ± 0.3

6

Escherichia coli

6.0 (5.9 – 6.1)

3.2 – 9.1

5.4 ± 1.5

33

Yersinia enterocolitica

6.7 (6.0 – 7.7)

4.0 – 13.7

6.6 ± 2.7

20

Salmonella spp. (except Salm. senftenberg 775W)

5.2 (5.1 – 5.3)

3.24 – 9.5

5.1 ± 1.6

63

Salmonella senftenberg 775W

5.8 (5.4 – 6.4)

4.5 – 9.1

6.2 ± 1.1

16

Campylobacter jejuni/coli

6.4 (5.8 – 7.0)

2.8 – 8.0

5.5 ± 1.1

24