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