Food Protection Trends - November 2008 - 819

Moez Sanaa (National Veterinary School of Alfort), Helene Couture (Health Canada), and Steven Sims (US-FDA) presented on the influences of French, Canadian and United States risk management respectively. These contrasted well with Deon’s discussion, and highlighted the profound effect cultural characteristics such as the level of raw milk cheese consumption can have on risk management decisions. The economic importance of raw milk cheese production in France for example, has lead to increased emphasis on farm transformation and distribution hygiene practices. Risk options were introduced including risk mitigation, transfer, avoidance and acceptance. The need to focus on both risk and benefit analysis was emphasized. Steven went on to outline the three main factors influencing US risk management decisions, namely US law, acceptance of new technologies and the best available science. The session ended with a lively debate on whether Coxiella burnettii should be considered a foodborne pathogen and therefore included in dairy risk assessment models. No consensus was reached. S18 – Innovative Applications of Bacteriophages in rapid enrichment, Detection and Identification of Foodborne Pathogens Corri Rekow, Texas Tech University and Grihalakshmi Kakani, Texas A&M University Mark Muldoon from Strategic diagnostics inc, discussed the goals and the challenges associated with the use of “Bacteriophages as Selective Agents for Rapid Enrichment and Detection of Foodborne Pathogens.” The primary goal of the detection methods employing bacteriophages involves detection of specific single viable bacteria in a food sample in minimum amount of time. Some of the challenges encountered in the detection include high background flora that compete with the target pathogen resulting in false negatives and inability of the broad spectrum selective agents in resuscitating the target microorganism. Pradip Patel presented the use of an assay “Bacteriophages – Mediated Adenylate Kinase Assay for High Throughput Pathogen Detection” for detecting bacterial pathogens in food samples. Some of the purification methods mentioned by the speaker for addressing background microflora include centrifugation, filtration, dielectrophoresis and ultrasonic systems. Some of the future prospects of the phage mediated assay include commercialization of phage mediated Adenylatekinase, and use of multiplexed HTS assays for simultaneous detection of pathogens. Jan Kretzer concluded the first session with his talk entitled “Bacteriophage Proteins as Sample Preparation Tools to Improve the Detection of Foodborne Pathogens.” Some of the applications of the technology include strong reduction of concomitant flora, PCR sample preparation and ability to adapt to different diagnostic procedures. Vincent Atrache presented the topic titled, “Novel Phage Ligand-Based Detection of E. coli O157:H7 and Salmonella in Food and Environmental Samples.” The topic was introduced by covering the development of a new assay and why antibodies make a good tool for assays. The talk presented the results from a matrix validation study that used phage receptor proteins for a E. coli O157 (VIDAS phage). In this validation study, ground beef was sampled at 25, 75, and 375 g, beef trim at 75 and 375 g, feces at 25 g, and spinach and lettuce were sampled at 25 g. The results from this study indicate that the VIDAS test is a very sensitive test that reduces background flora and detects E. coli O157 more accurately than PCR. George Paoli discussed the topic titled, “Antibody Phage Display for Foodborne Pathogen Detection.” The topic was introduced by reviewing the role of the phage in detecting foodborne pathogens such as Listeria monocytogenes. The development of immunoreagents and biosensors was investigated to capture Lm using immunomagnetic beads. From this study, the phage expressing the Lm specific antibody fragment were used to develop the SPREETA SPR Sensor. Breanna Smith presented the topic, “Bacteriophage Amplication Technology, a Platform for Bacterial Identification Testing.” This presentation discussed lateral flow strips and their use in the detection of Salmonella. The topic was introduced by discussing phages and how they are highly specific for bacterial species. The talk reviewed a matrix experiment that was conducted in a chicken wash, dairy products and manure at different cell concentrations. The results from this experiment confirmed that bacteriophage diagnostics are simple, easy to use, an expandable platform, have a fast time to results, little hands on time, have a high performance and detects only live cells. S19 – Chemical Contaminants testing in Foods Heidi Weinkauf, Iowa State University and Marjorie Fullerton, Alabama A&M University This symposium addressed the current issues relating to the chemical contaminants that can be found and introduced into foods through a variety of sources including environmental pollutions, the intentional uses of various chemicals, or the migration of chemicals from packaging materials and also from food processing. Identifying and detecting chemicals present in foods is important NOVEMBER 2008 | FOOD PROTECTION TRENDS 819

Food Protection Trends - November 2008

Table of Contents for the Digital Edition of Food Protection Trends - November 2008

Food Protection Trends - November 2008
Contents
Sustaining Members
Perspectives from Your President
Commentary from the Executive Director
Biofilm Formation of Listeria monocytogenes on Various Conveyor Belt Surfaces
Third-Party Certification of Agro-Products in China: A Study of Agro-Product Producers in Guangzhou, Shenzhen, Hangzhou and Qingdao
IAFP 2008 in Review
Award Winners
3M Microbiology - Black Pearl Award Winner
Ivan Parkin Lecture - Russell S. Flowers
John H. Silliker Lecture - Michael P. Doyle
Student Travel Scholarships
Session Summaries
Highlights of the Executive Board Meeting
Minutes of the 95th Annual Business Meeting
Committee Minutes
Executive Board Response to Committee Recommendations
Exhibitors of IAFP 2008
Special Contributors and Sponsors
Call for Awards - IAFP 2009
New Members
What's Happening in Food Safety
Industry Products
Coming Events
Advertising Index
Journal of Food Protection Table of Contents
Audiovisual Library Order Form
Booklet Order Form
Membership Application
Food Protection Trends - November 2008 - Food Protection Trends - November 2008
Food Protection Trends - November 2008 - Cover2
Food Protection Trends - November 2008 - 745
Food Protection Trends - November 2008 - Contents
Food Protection Trends - November 2008 - 747
Food Protection Trends - November 2008 - 748
Food Protection Trends - November 2008 - 749
Food Protection Trends - November 2008 - 750
Food Protection Trends - November 2008 - 751
Food Protection Trends - November 2008 - 752
Food Protection Trends - November 2008 - Sustaining Members
Food Protection Trends - November 2008 - 754
Food Protection Trends - November 2008 - 755
Food Protection Trends - November 2008 - Perspectives from Your President
Food Protection Trends - November 2008 - 757
Food Protection Trends - November 2008 - Commentary from the Executive Director
Food Protection Trends - November 2008 - 759
Food Protection Trends - November 2008 - Biofilm Formation of Listeria monocytogenes on Various Conveyor Belt Surfaces
Food Protection Trends - November 2008 - 761
Food Protection Trends - November 2008 - 762
Food Protection Trends - November 2008 - 763
Food Protection Trends - November 2008 - 764
Food Protection Trends - November 2008 - Third-Party Certification of Agro-Products in China: A Study of Agro-Product Producers in Guangzhou, Shenzhen, Hangzhou and Qingdao
Food Protection Trends - November 2008 - 766
Food Protection Trends - November 2008 - 767
Food Protection Trends - November 2008 - 768
Food Protection Trends - November 2008 - 769
Food Protection Trends - November 2008 - 770
Food Protection Trends - November 2008 - IAFP 2008 in Review
Food Protection Trends - November 2008 - 772
Food Protection Trends - November 2008 - 773
Food Protection Trends - November 2008 - 774
Food Protection Trends - November 2008 - 775
Food Protection Trends - November 2008 - Award Winners
Food Protection Trends - November 2008 - 777
Food Protection Trends - November 2008 - 778
Food Protection Trends - November 2008 - 779
Food Protection Trends - November 2008 - 780
Food Protection Trends - November 2008 - 781
Food Protection Trends - November 2008 - 782
Food Protection Trends - November 2008 - 783
Food Protection Trends - November 2008 - 784
Food Protection Trends - November 2008 - 785
Food Protection Trends - November 2008 - 786
Food Protection Trends - November 2008 - 787
Food Protection Trends - November 2008 - 788
Food Protection Trends - November 2008 - 789
Food Protection Trends - November 2008 - 790
Food Protection Trends - November 2008 - 791
Food Protection Trends - November 2008 - 792
Food Protection Trends - November 2008 - 793
Food Protection Trends - November 2008 - 3M Microbiology - Black Pearl Award Winner
Food Protection Trends - November 2008 - 795
Food Protection Trends - November 2008 - Ivan Parkin Lecture - Russell S. Flowers
Food Protection Trends - November 2008 - 797
Food Protection Trends - November 2008 - 798
Food Protection Trends - November 2008 - 799
Food Protection Trends - November 2008 - John H. Silliker Lecture - Michael P. Doyle
Food Protection Trends - November 2008 - 801
Food Protection Trends - November 2008 - 802
Food Protection Trends - November 2008 - 803
Food Protection Trends - November 2008 - Student Travel Scholarships
Food Protection Trends - November 2008 - 805
Food Protection Trends - November 2008 - 806
Food Protection Trends - November 2008 - 807
Food Protection Trends - November 2008 - Session Summaries
Food Protection Trends - November 2008 - 809
Food Protection Trends - November 2008 - 810
Food Protection Trends - November 2008 - 811
Food Protection Trends - November 2008 - 812
Food Protection Trends - November 2008 - 813
Food Protection Trends - November 2008 - 814
Food Protection Trends - November 2008 - 815
Food Protection Trends - November 2008 - 816
Food Protection Trends - November 2008 - 817
Food Protection Trends - November 2008 - 818
Food Protection Trends - November 2008 - 819
Food Protection Trends - November 2008 - 820
Food Protection Trends - November 2008 - 821
Food Protection Trends - November 2008 - 822
Food Protection Trends - November 2008 - 823
Food Protection Trends - November 2008 - 824
Food Protection Trends - November 2008 - 825
Food Protection Trends - November 2008 - 826
Food Protection Trends - November 2008 - 827
Food Protection Trends - November 2008 - 828
Food Protection Trends - November 2008 - 829
Food Protection Trends - November 2008 - 830
Food Protection Trends - November 2008 - 831
Food Protection Trends - November 2008 - 832
Food Protection Trends - November 2008 - Highlights of the Executive Board Meeting
Food Protection Trends - November 2008 - Minutes of the 95th Annual Business Meeting
Food Protection Trends - November 2008 - 835
Food Protection Trends - November 2008 - Committee Minutes
Food Protection Trends - November 2008 - 837
Food Protection Trends - November 2008 - 838
Food Protection Trends - November 2008 - 839
Food Protection Trends - November 2008 - 840
Food Protection Trends - November 2008 - 841
Food Protection Trends - November 2008 - 842
Food Protection Trends - November 2008 - 843
Food Protection Trends - November 2008 - 844
Food Protection Trends - November 2008 - 845
Food Protection Trends - November 2008 - 846
Food Protection Trends - November 2008 - 847
Food Protection Trends - November 2008 - 848
Food Protection Trends - November 2008 - 849
Food Protection Trends - November 2008 - 850
Food Protection Trends - November 2008 - 851
Food Protection Trends - November 2008 - 852
Food Protection Trends - November 2008 - 853
Food Protection Trends - November 2008 - 854
Food Protection Trends - November 2008 - 855
Food Protection Trends - November 2008 - 856
Food Protection Trends - November 2008 - 857
Food Protection Trends - November 2008 - Executive Board Response to Committee Recommendations
Food Protection Trends - November 2008 - 859
Food Protection Trends - November 2008 - 860
Food Protection Trends - November 2008 - 861
Food Protection Trends - November 2008 - 862
Food Protection Trends - November 2008 - 863
Food Protection Trends - November 2008 - 864
Food Protection Trends - November 2008 - 865
Food Protection Trends - November 2008 - Exhibitors of IAFP 2008
Food Protection Trends - November 2008 - 867
Food Protection Trends - November 2008 - 868
Food Protection Trends - November 2008 - 869
Food Protection Trends - November 2008 - 870
Food Protection Trends - November 2008 - Special Contributors and Sponsors
Food Protection Trends - November 2008 - 872
Food Protection Trends - November 2008 - 873
Food Protection Trends - November 2008 - Call for Awards - IAFP 2009
Food Protection Trends - November 2008 - 875
Food Protection Trends - November 2008 - New Members
Food Protection Trends - November 2008 - 877
Food Protection Trends - November 2008 - 878
Food Protection Trends - November 2008 - 879
Food Protection Trends - November 2008 - What's Happening in Food Safety
Food Protection Trends - November 2008 - 881
Food Protection Trends - November 2008 - 882
Food Protection Trends - November 2008 - 883
Food Protection Trends - November 2008 - 884
Food Protection Trends - November 2008 - Industry Products
Food Protection Trends - November 2008 - 886
Food Protection Trends - November 2008 - 887
Food Protection Trends - November 2008 - 888
Food Protection Trends - November 2008 - Coming Events
Food Protection Trends - November 2008 - 890
Food Protection Trends - November 2008 - Advertising Index
Food Protection Trends - November 2008 - Journal of Food Protection Table of Contents
Food Protection Trends - November 2008 - 893
Food Protection Trends - November 2008 - Audiovisual Library Order Form
Food Protection Trends - November 2008 - Booklet Order Form
Food Protection Trends - November 2008 - Membership Application
Food Protection Trends - November 2008 - Cover3
Food Protection Trends - November 2008 - Cover4
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