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Bird CB, Hoerner RJ, Restaino L, Anderson G, Birbari W, Bodra L, Brookman D, Bryant D, Campbell C, Degraft-Hanson J, Fetviet D, Forde R, Goins D, Hajkowski S, Haley E, Holland R, Jones J, Joseph JM, Kallewaard N, Keckeissen J, Kirkbride T, Kusch S, Noel D, Nutsch A, Okolo C, Parks K, Raines D, Remes A, Roach V, Robbins R, Rodrick G, Shelef L, Theissen H, Vasavada PC, Wang T. Comparison of the Reveal 20-Hour Method and the BAM Culture Method for the Detection of Escherichia coli O157:H7 in Selected Foods and Environmental Swabs: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/84.3.737] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Four different food types along with environmental swabs were analyzed by the Reveal for E. coli O157:H7 test (Reveal) and the Bacteriological Analytical Manual (BAM) culture method for the presence of Escherichia coli O157:H7. Twenty-seven laboratories representing academia and private industry in the United States and Canada participated. Sample types were inoculated with E. coli O157:H7 at 2 different levels. Of the 1095 samples and controls analyzed and confirmed, 459 were positive and 557 were negative by both methods. No statistical differences (p <0.05) were observed between the Reveal and BAM methods.
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Affiliation(s)
| | | | - Lawrence Restaino
- R&F Laboratories, 245 W. Roosevelt Rd, Bldg 3, Unit 17, West Chicago, IL 60185
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Bird CB, Hoerner RJ, Restaino L, Anderson G, Birbari W, Bodra L, Brookman D, Bryant D, Campbell C, Degraft-Hanson J, Fetviet D, Forde R, Goins D, Hajkowski S, Haley E, Holland R, Jones J, Joseph JM, Kallewaard N, Keckeissen J, Kirkbride T, Kusch S, Noel D, Nutsch A, Okolo C, Parks K, Raines D, Remes A, Roach V, Robbins R, Rodrick G, Shelef L, Theissen H, Vasavada PC, Wang T. Reveal 8-Hour Test System for Detection of Escherichia coli O157:H7 in Raw Ground Beef, Raw Beef Cubes, and Iceberg Lettuce Rinse: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/84.3.719] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Five different food types were analyzed by the Reveal for E. coli O157:H7 8-Hour Test System (Reveal 8) and either the U.S. Food and Drug Administration's Bacteriological Analytical Manual (BAM) culture method or the U.S. Department of Agriculture Food Safety Inspection Service (FSIS) culture method for the presence of E. coli O157:H7. A total of 27 laboratories representing academia and private industry in the United States and Canada participated. Food types were inoculated with E. coli O157:H7 at 2 different levels: a high level where predominantly positive results were expected, and a low level where fractional recovery was anticipated. During this study, 1110 samples and controls were analyzed by both the Reveal 8 and by BAM or FSIS by each of the collaborators (2220 samples in total). For each set of samples, 740 were artificially inoculated with E. coli O157:H7, and 370 were uninoculated controls. The Reveal 8 detected 528 presumptive positives of which 487 were confirmed positive by the BAM culture method. In comparison, BAM and FSIS detected 489 of the 740 artificially contaminated samples as positive. In an additional in-house study performed only on chilled and frozen raw ground beef, 240 artificially inoculated samples were analyzed by both the Reveal 8 and by FSIS. The Reveal 8 detected and confirmed 104 samples as positive compared to 79 confirmed positive by FSIS.
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Affiliation(s)
| | | | - Lawrence Restaino
- R&F Laboratories, 245 W. Roosevelt Rd, Bldg 3, Unit 17, West Chicago, IL 60185
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