AOAC-RI ERP Book MICRO.pdf

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CONFIDENTIAL INFORMATION
Page 7 of 13
Table 2. Candidate Method Testing Results for Ground Beef Matrix 18hr
Enrichment ‘Screening Stage’ and ‘Confirmation Stage’ (325 g Ground Beef
Analyzed via the 3MTM MDA)
Sample Number Inoculum Level 3M MDS
18 h Rainbow Rainbow
Acid Treated O Serology SBA
H
Serology VITEK Confirmation
1 LOW = = = = =
2 LOW + + + + + + E.coli O157 +
3 LOW + + + + + + E.coli O157 +
4 LOW + + + + + + E.coli O157 +
5 LOW = = = = =
6 LOW + + + + + + E.coli O157 +
7 LOW + + + + + + E.coli O157 +
8 LOW = = = = =
9 LOW = = = = =
10 LOW + + + + + + E.coli O157 +
11 LOW = = = = =
12 LOW = = = = =
13 LOW + + + + + + E.coli O157 +
14 LOW = = = = =
15 LOW + + + + + + E.coli O157 +
16 LOW + + + + + + E.coli O157 +
17 LOW = = = = =
18 LOW = = = = =
19 LOW = = = = =
20 LOW = = = = =
1 UNINOC = = = = =
2 UNINOC = = = = =
3 UNINOC = = = = =
4 UNINOC = = = = =
5 UNINOC = = = = =
1 HIGH + + + + + + E.coli O157 +
2 HIGH + + + + + + E.coli O157 +
3 HIGH + + + + + + E.coli O157 +
4 HIGH + + + + + + E.coli O157 +
5 HIGH + + + + + + E. coli O157 +