AOAC-RI ERP Book MICRO Sept 2016.pdf
February 20, 2013
Table 4. Ruggedness Results for the Evaluation of Varied Primary Enrichment Times and Temperatures. 1
Incubation Temperature (°C) Number Positive
Incubation Time, Hours Number Positive
# of Samples
Isolate
40
41.5
43
16
18
24
26
Salmonella Typhimurium ATCC 14028 Salmonella Poona NCTC 4840 Citrobacter braakii NCTC 4840
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
0
0
0
0
0
0
0
0
2 3 4 Table 5. Ruggedness Results for the Evaluation of Varied Times and Temperatures for the 5 3M Petrifilm Salmonella Express Plate. 6
Incubation Temperature (°C) Number Positive
Incubation Time, Hours Number Positive
# of Samples
Isolate
40
41.5
43
20
22
24
26
28
Salmonella Typhimurium ATCC 14028 Salmonella Poona NCTC 4840 Citrobacter braakii NCTC 4840
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
0
0
0
0
0
0
0
0
0
7 8 9 10 Table 6. Ruggedness Results for the Evaluation of Varied Times and Temperatures 3M Petrifilm Salmonella 11 Express Confirmation Disk. 12
Incubation Temperature (°C) Number Positive
Incubation Time, Hours Number Positive
# of Samples
Isolate
40
41.5
43
2
3
4
5
6
Salmonella Typhimurium ATCC 14028 Salmonella Poona NCTC 4840 Citrobacter braakii NCTC 4840
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
0
0
0
0
0
0
0
0
13 14 15 16
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