AOAC-RI ERP Book Micro Jan 19 2017

Table 1. Concentration of E. coli O157:H7 Inoculum Levels per Gram of Blueberries, Determined through Most Probable Number Analysis

Sample Size Sample Number Number of Positives MPN/g 1

95% CI 1

Food Matrix/Inoculation Level

50 25 10 50 25 10

5 5 5 5

0 5 1 0 8 1

1.700 X 10 -2 7.598 X 10 -3 , 3.804 X 10 -2

Blueberries/High

1.305 X 10 -2 6.655 X 10 -3 , 2.237 X 10 -2

Blueberries/Low

20

5

1. MPN/g and 95% Confidence Interval Values were generated from the LCF MPN Calculator Version 1.6

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CONFIDENTIAL INFORMATION Page 7 of 13