AOAC-RI ERP Micro June 2016
OMAMAN-29 D/ PTM Validation Report 111501 OMA ERP - June 2016 ERP Use Only
Table 6: Inoculum Heat Stress Results
Test Portion Size
Matrix
Inoculating Organism
Agar
CFU/ g
Percent Injury
1.8 x 10 8 7.5 x 10 7 2.6 x 10 9 8.2 x 10 8 2.6 x 10 9 7.1 x 10 8 2.6 x 10 9 6.8 x 10 8
TSA
Listeria monocytogenes ATCC 7644 Listeria monocytogenes ATCC 19116 Listeria monocytogenes ATCC CWD 1554 Listeria monocytogenes ATCC 7644
Beef Hot Dogs 1
25 g
58.3 %
MOX
TSA
Deli Turkey
125 g
68.5 %
MOX
TSA
Queso Fresco
25 g
72.7%
MOX
TSA
Beef Hot Dogs 2
25 g
73.8%
MOX
1 - Testing for Robustness and Lot to Lot 2 - Matrix Study TSA: Trypticase soy agar MOX: modified Oxford agar
AOAC Research Institute Expert Review Panel Use Only
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