781 / 1195
a
Y= Collaborator analyzed the food type; N= collaborator did not analyze the food type
1
b
Results were not used in statistical analysis due to laboratory error
2
c
Results were not submitted to the coordinating laboratory
3
4
5
6
7
8
Table 2: Heat-Stress Injury Results
9
10
Matrix
(LMX Test
Portion Size)
Test Organism
a
CFU/OXA
(Selective Agar)
CFU/TSA
(Non-Selective Agar)
Degree Injury
Queso Fresco
LMX – 25g
L. monocytogenes
ATCC 19115
5.0 x 10
8
1.3 x 10
9
62 %
Queso Fresco
LMX – 125g
L. monocytogenes
ATCC 19115
2.9 x 10
8
9.0 x 10
8
68 %
a
ATCC – American Type Culture Collection
11
15