EuroTox 2017

Bratislava, Slovakia

2016 Summer Fellow, Agnes Karmaus, will present her work on the evaluation of food-use chemicals in ToxCast.

Read more about EuroTox 2017

WC10

Seattle, WA, USA

2016 Summer Fellow, Alex Turley received an award to present her work on food relevant chemicals in ToxCast at WC10.

Read more about WC10

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The IAFNS Food, Nutrition and Safety Program (FNSP) mid-year meeting combines presentations on topics of current interest with reports on progress within the organization's new and on-going programs.  Explore the topics below by accessing the presentation videos.

Food Fraud Food Fraud Food Fraud: A Focus on Prevention
Roy Fenoff, PhD, The Citadel Circadian Rhythm Circadian Rhythm in Health and Disease
Satchin Panda, PhD, Salk Institute Systems Science Systems Science: The Next Frontier in Food, Nutrition and Health
Bruce Lee, MD, MBA Johns Hopkins University Foodborne Illness Estimating Outbreak-Based Foodborne Illness Source Attribution for Four Priority Pathogens 
Michael Batz, US FDA

 

Open Data Open Data Sets, Transparency and Challenges for the Future
Jennifer Freeman Smith, PhD, Center for Open Science Metabolomics Metabolomics for Food Composition and Food Biomarker Analysis
David Wishart, PhD, University of Alberta Case Examples of Metabolomics Use in Dietary & Nutrition Studies
Susan Sumner, PhD, University of North Carolina Chapel Hill [post_title] => 2017 FNSP Mid-Year Meeting [post_excerpt] => [post_status] => publish [comment_status] => closed [ping_status] => closed [post_password] => [post_name] => 2017-fnsp-mid-year-meeting [to_ping] => [pinged] => [post_modified] => 2021-03-24 12:39:23 [post_modified_gmt] => 2021-03-24 12:39:23 [post_content_filtered] => [post_parent] => 0 [guid] => https://iafnsconnect.wpengine.com/?post_type=event&p=2385 [menu_order] => 0 [post_type] => event [post_mime_type] => [comment_count] => 0 [filter] => raw ) [3] => WP_Post Object ( [ID] => 2579 [post_author] => 343 [post_date] => 2017-06-22 20:09:07 [post_date_gmt] => 2017-06-22 20:09:07 [post_content] => IAFP

IAFNS is sponsoring 4 scientific sessions and 2 posters at the 2017 International Association for Food Protection Annual Meeting. Explore all the presentations below. 

Scientific Sessions

Controlling foodborne pathogens Controlling foodborne pathogens Battling Bad Bugs: Biological Approaches to Control Pathogens
Monday, July 10, 2017 from 3:30- 5:00 PM

Session Conveners: Isabel Walls, USDA NIFA, and Kendra Nightingale, Texas Tech University

Abstract:
The food industry often relies on physical and chemical interventions to control foodborne pathogens. This session is intended to discuss biological approaches to control foodborne pathogens throughout the food continuum. Topics to be covered include the use of (i) biocontrol of Listeria monocytogenes and Salmonella enterica Serovar Poona on fresh-cut apples with naturally occurring bacterial and yeast antagonists, (ii) probiotics to reduce the load of foodborne pathogens that enter the human food chain and pathogen populations on food and in food processing environments and (iii) bacteriophage to combat bacterial foodborne pathogens. This session will also include discussions on consumer perception and acceptance of these biological approaches to control foodborne pathogens. Biocontrol of the Food-Borne Pathogens Listeria monocytogenes and Salmonella enterica Serovar Poona on Fresh-Cut Apples with Naturally Occurring Bacterial and Yeast Antagonists
Wojciech Janisiewicz, USDA ARS
Video Application of Probiotics to Control Foodborne Pathogens from Farm to Fork
Mindy Brashears, Texas Tech University
Video Application of Bacteriophage to Control Foodborne Pathogens in the Food Processing Environment and in Ready-to Eat Foods
Sam Alcaine, Cornell University
Video Managing Risk Managing Risk in a Zero Tolerance World
Tuesday, July 11, 2017 from 8:30 AM - 12:00 PM

Session Conveners: Laurie Post, Deibel Labs, Edith Wilkin, Leprino Foods Company

Abstract: It is accepted that there is risk in everything and the discipline of risk assessment focuses on minimizing risk to an acceptable level. This seems to be in conflict with the concept of zero tolerance, which is not completely codified in regulation and yet does seem to exist in actual food industry practice. Does the current interpretation of FSMA rules and regulatory application of new technologies in outbreak investigation drive the expectation of a zero-risk environment? What should risk assessment and food safety management look like in this changing landscape? How can risk be managed to allow suitable options for consumers and food manufacturers? The perception and understanding of risk necessitates a conversation between regulators, consumers, and the food industry.

The Changing Landscape: Implications of New Regulations on Risk Assessment
Donald Zink, IEH Laboratories & Consulting Group
Video The International Dynamic of Risk Assessment
Robert Buchanan, University of Maryland
Video How is Whole Genome Sequencing Impacting Assessments of Risk and Setting of Standards?
Luca Cocolin, University of Turin
Video Setting Risk Based Performance Standards
Roy Betts, Campden BRI
Video Risk Management- Strategies and Challenges in a Zero Risk Environment
Tim Jackson, previously Nestlé North America
Video Consumer Perceptions of Risk and How It Influences Their Choices
William Hallman, Rutgers, The State University of New Jersey
Video Debate: Food Safety Perspectives A Debate: Current Perspectives in Food Safety
Wednesday, July 12, 2017 from 8:30 AM to 10:00 AM

Abstract: This interactive roundtable is intended to engender lively discussion of important food safety topics. It is assumed audience participants will have a basic understanding of the unresolved issues surrounding the topics to be discussed in the symposium. The session will cover three topics: "The good, the bad, and the ugly foods: Should we encourage the consumption of "ugly" and expired foods?"; "Who's to blame? Do consumers own a piece of food safety?"; and, "Which is the real 'obesogen'-pizza or the pizza box?" Each topic will include a 7-minute presentation in support of (Yes, Pizza) followed by a 7-minute presentation in opposition of (No, Pizza Box) the proposed topic question. Each speaker will have 3 minutes for extemporaneous rebuttals. A 6-minute question/answer session will then follow to allow for audience participation. We will have electronic polling of the audience to allow for a Yes/No vote on each topic question prior to and following the discussion to evaluate whether people's views have been changed by the presentations.

Convener: Kendra Nightingale, Texas Tech University

The good, the bad, and the ugly foods: Should we encourage the consumption of "ugly" and expired foods?
Yes: Sarah Cahill, FAO
No: Rob Tauxe, CDC
Video Who's to blame? Do consumers own a piece of food safety?
Yes: Sarah Brew, Faegre Baker Daniels, LLP
No: Bill Marler, Marler Clark, LLP
Video Which is the real "obesogen"-pizza or the pizza box?
Pizza: Ruth Kava, American Council on Science and Health
Pizza Box: Stephen Safe, Texas A&M University
Video Chemical & Microbial Risk Assessment Chemical and Microbial Risk Assessment: Similarities and Differences
Wednesday, July 12, 2017 from 10:30 AM - 12:00 PM

Convener: Doug Holt, Dr. Pepper Snapple Group

Abstract: In food safety, risk assessment is the scientific evaluation of known or potential health effects resulting from human exposure to chemicals or microorganisms. Exposure to pathogenic microorganisms is different from exposure to chemicals. Microorganisms differ from chemicals as they can grow or die and the level of exposure to microorganisms can change dramatically in a short period. The speakers in this session will discuss the similarities and differences between chemical and microbial risk assessment; risk and risk benefit analysis and will present some case studies.

Chemical Risk Assessments and their Uses in Decision Making
Joseph Rodricks, Ramboll Environ
Video Quantitative Microbiological Risk Assessment: Dealing with Biological Diversity
Robert Buchanan, University of Maryland
Video Safety and Risk Assessments: Fit for Purpose
Jane Van Doren, FDA

Poster Presentations

Listeria monocytogenes Listeria monocytogenes Fate of Listeria monocytogenes in Cocoa Powder during Isothermal Inactivation
P3-16
Presentation on Wednesday, July 12, 2017

Authors: Hsieh-Chin Tsai, Washington State University, Marizela Silva, Washington State University, Juming Tang, Washington State University, Meijun Zhu, Washington State University

Introduction: Listeria monocytogenes can survive in dry condition for a long period of time. Despite an increasing number of studies addressing Salmonella inactivation in low-moisture foods, there is a general lack of knowledge related to L. monocytogenes inactivation in low moisture foods during thermal processing and to the factors impacting their survival in low moisture food. Cocoa powder is an essential ingredient and widely incorporated in different desserts and drinks and thus a possible source of L. monocytogenes contamination.

Purpose: To evaluate the thermal resistance of L. monocytogenes in cocoa powder and further investigate the impact of water activity (aw) on its survival in cocoa powder.

Methods: Natural unsweetened cocoa powder (Hershey's) was inoculated with three-strain L. monocytogenes cocktail (~9.0 log CFU/g), equilibrated to water activity (aw, 25°C) to 0.3 or 0.45, then subjected to isothermal treatments using aluminum TDT test cell containing 0.4 g of inoculated and equilibrated sample. The survivors were enumerated on TSAYE plates.

Results: Inactivation data resulted from different temperatures at both aw showed log-linear trend which was used to obtained thermal inactivation parameters. Thermal resistance of L. monocytogenes at 0.3 aw was significantly higher than that at 0.45 aw across all three temperatures. Listeria monocytogenes at 0.3 aw and 0.45 aw had D70°C of 7.44±1.17 and 4.77±0.28 min, D75°C of 3.62±0.03 and 2.84±0.09 min, and D80°C of 1.35±0.04 and 1.06±0.05 min, respectively, z-value at 0.3 aw and 0.45 aw was 13.48 and 15.31°C, respectively.

Significance: Listeria monocytogenes demonstrated much higher thermal resistance in cocoa powder compared to the high moisture foods, which is impacted by aw. Data provide valuable information for industry to validate thermal processing for control of L. monocytogenes in low moisture foods.

Salmonella Assessment of Survival and Virulence of Salmonella in Low-moisture Foods
P3-17
Poster Presentation on Wednesday, July 12, 2017

Authors: Victor Jayeola, North Carolina State University, Raleigh, NC, Jeffrey Farber, University of Guelph, CRIFS, Department of Food Science, Guelph, Canada, Sophia Kathariou, North Carolina State University, Raleigh, NC

Introduction: Low-moisture foods (LMF) have been implicated in multiple outbreaks of salmonellosis. However, mechanisms mediating survival and virulence of Salmonella in such foods remain poorly understood

Purpose: To assess survival and virulence of Salmonella in low moisture foods.

Methods : A two-strain mixture of Salmonella enterica serotypes Typhimurium and Enteritidis was used to inoculate two model LMF, chocolate and in shell pistachios. Products (100 g) were inoculated with four ml of the Salmonella cell suspension, dried for one to three hours until aw approximated that of the uninoculated product, aliquoted into 15-ml centrifuge tubes and stored in the dark at 22°C. Salmonella populations immediately after inoculation, after drying and at 1, 4, 6, 10, 15, and 21 days were determined in triplicate on nonselective (TSA-YE) and selective (XLD) media. Virulence was tested in the insect Galleria mellonella model by injecting 10 µl of rinsate from products at one day into the last left proleg of 10 larvae. Rinsate from uninoculated products were also injected as controls. The larvae were incubated at 37°C and larval mortality was daily monitored.

Results: The population of Salmonella in the inoculated products was eight and nine log CFU/g immediately after inoculation and 7.3 and 8.0 log CFU/g after drying for chocolate and pistachios, respectively. Populations decreased to 4.5 and 7.5 log CFU/g by 21 days in chocolate and pistachios, respectively. Recovery of Salmonella from either product on TSAYE and XLD was similar. Larvae inoculated with 3.4 log CFU/ml of the cocktail had a mortality of 100% after 24 h compared to 80% of larvae inoculated with 3.9 log CFU/ml cells from chocolate and 30% for larvae inoculated with 3.7 log CFU/ml cells from pistachios. The mortality of controls was 0 and 10% for uninoculated pistachios and chocolate, respectively.

Significance: Findings show that Salmonella can survive in chocolate liquor and pistachios and that cells adapted to the LMF environment retained virulence.

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2016

FNCE 2016

Boston, MA, USA

Dietary Sugar Intake: Systematic Review of Public Health Guidelines and their Recommendations

Read more about FNCE 2016

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This unique forum investigated current and emerging challenges related to improving energy balance behavior assessment and intervention via technology, and focused on how the research community might embrace and apply innovative new tools.

Am J Prev Med Theme Section: Innovative Tools for Assessing Diet and Physical Activity for Health Promotion

The Tech Summit resulted in four publications, appearing as a theme section in the American Journal of Preventive Medicine:

Advances and Controversies in Diet and Physical Activity Measurement in Youth

This report reviews current developments in dietary intake and physical activity assessment in youth.

Access the full publication.

Dietary Intake and Physical Activity Assessment: Current Tools, Techniques, and Technologies for Use in Adult Populations

This paper summarizes recent technological advancements, such as remote sensing devices, digital photography, and multisensor devices, which have the potential to improve the assessment of dietary intake and physical activity in free-living adults.

Access the full publication.

Diet and Activity Assessments and Interventions Using Technology in Older Adults

This paper reports on the findings and recommendations specific to older adults from the “Tech Summit: Innovative Tools for Assessing Diet and Physical Activity for Health Promotion” forum organized by the North American branch of the International Life Sciences Institute.

Access the full publication.

Share Save Technology Innovations in Dietary Intake and Physical Activity Assessment: Challenges and Recommendations for Future Directions

Dietary intake (DI) and physical activity (PA) data are used in a variety of ways, including to determine nutrient adequacy and deficiency; to assess nutritional, fitness, and health status; to develop health promotion and behavioral interventions; and to understand food chemical and microbiological exposure, food–drug interactions, and pharmacokinetic effects. Methods used to capture these data must therefore be reliable and accurate to ensure confidence when determining quantitative DI and energy intake (EI), food behaviors, and energy expenditure (EE), especially for real-time monitoring and interventions. Moreover, because the underlying pathways and mechanisms regulating energy homeostasis are not fully understood, improved measures can help address challenges in understanding interrelationships between DI and PA.

Access the full publication.

Organized by:
IAFNS Committee on Balancing Food & Activity for Health
University of California, San Diego 
American College of Sports Medicine
with programmatic input from NIH and USDA ARS

Program

Wednesday, 30 November 2016

Welcome & Introductions - Video

IDENTIFY COMMON ISSUES - featured presentations

  • State of the Science of Energy Balance Research Across the Lifespan - David Allison, PhD, University of Alabama at Birmingham Video
  • State of Technology and Innovation related to Physical Activity and Healthful EatingEric Hekler, PhD, Arizona State University Video

Additional Presentations

  • Guidance and Standards for the Responsible Conduct of mHealth Research - Camille Nebeker, EdD, MS, UC San Diego Video
  • Circadian Rhythm as it Relates to Overall Health, Wellness, and Risk for Disease - Satchin Panda, PhD, the Salk Institute Video

CHILDREN & YOUTH -  Moderator: Tom Robinson, MD, Stanford

  • Current Technologies in Diet Assessment & Intervention - Carol J. Boushey, PhD, MPH, RD, University of Hawaii Video
  • Current Technologies in Physical Activity Assessment & Intervention - Jaqueline Kerr, PhD, MSc University of California San Diego Video
  • Advances & Challenges in Measuring Dietary Intake and Physical Activity - Donna Spruijt-Metz, MFA, PhD, University of Southern California Video

Thursday, 1 December 2016

ADULTS - Moderators: Rick Troiano, PhD, NIH - Intro Video

  • Current Technologies in Diet Assessment & Intervention - Rick Weiss, MS, Viocare Video
  • Current Technologies in Physical Activity Assessment & Intervention - Anand Iyer, PhD, WellDoc Video
  • Advances & Challenges in Measuring Dietary Intake and Physical Activity - Lauren Ptomey, PhD, RD, LD, University of Kansas Video 

OLDER ADULTS - Moderators: David Klurfeld, PhD, USDA, & Tamara Harris, MD, National Institute on Aging - Intro Video

  • Current Technologies in Diet Assessment & Intervention - Sai Das, PhD, Tufts University Video
  • Current Technologies in Physical Activity Assessment & Intervention - Jacqueline Kerr, PhD, MSc, University of California San Diego Video
  • Advances & Challenges in Measuring Dietary Intake and Physical Activity - Todd Manini, PhD, University of Florida Video

Concluding Panel & Summit Closing Remarks - Kevin Patrick, MD, MS, UCSD

Full event video playlist can be found on the IAFNS YouTube Channel.

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Agenda

Welcome 
Mansi Krishan, IAFNS Introduction 
Ron Osborn, IAFNS Member Scientist Challenges in Safety Assessment of Food Packaging Materials- Toxicology -
Jason Aungst, Division of Food Contact Notifications, U.S. FDA - Video Challenges in Safety Assessment of Food Packaging Materials - Chemistry
Kirk Arvidson, Division of Food Contact Notifications, U.S. FDA - Video Migration of Contaminant Residues from Food Packaging
Greg Pace, Sun Chemical Corporation - Video Analytical Methods for Evaluating Components of Food Packaging Materials
Tim Begley, U.S. FDA - Video Use of New/Improved Tools and Exposure Assessment Models for Food Packaging Materials
Cian O' Mahony, Crème Global - Video US Regulatory Perspective
Paul Honigfort, Division of Food Contact Notifications, U.S. FDA - Video Global Regulatory Perspective
Jim Huang, IAFNS Member Scientist - Video Panel Discussion - Video
Moderator: Ron Osborn, IAFNS Member Scientist
Panelists: Jason Aungst, Kirk Arvidson, Greg Pace, Tim Begley, Cian O'Mahony, Paul Honigfort
  • In light of advancements in analytical methodologies which are allowing for progressively lower detection limits resulting in unexpected chemicals being detected in air, water, food, etc., how do we access and utilize this information for safety assessment of packaging materials?
  • How do we evaluate the safety of nanomaterials in food packaging?
  • In terms of assessing the safety of packaging materials, how much is enough?
Sustainability and Packaging: Process of Recycling Packaging Materials and Recycled Materials in Food Packaging
Susan Selke, Michigan State University - Video Contaminant Residues in/from Recycled Paper-Paperboard and Plastics: Contaminant Identification, Food Safety Concerns and Regulatory Controls
Vanee Komolprasert, Division of Food Contact Notifications, U.S. FDA - Video Case Studies:
i. Mineral oil saturated hydrocarbons (MOSHs) and mineral oil aromatic hydrocarbons (MOAHs)
Stephen Klump, Nestle - Video ii. a) Di-isopropylnapthalene; and b) Poly- and perfluoroalkyl substances (PFASs)
Paul Honigfort, Division of Food Contact Notifications, U.S. FDA - Video Emerging Innovations and Technologies in Food Packaging
Young Kim, Virginia Tech University - Video Panel Discussion - Video
Moderator: Doug Copen, IAFNS Member Scientist
Panelists: Susan Selke, Vanee Komolprasert, Stephen Klump, Paul Honigfort, Jim Huang, Young Kim
  • What are the challenges in utilizing recycled packaging materials in food contact applications and how do we address these challenges?
  • What are the challenges in identification and safety evaluation of non-intentionally added substances (NIAS) in food contact materials? What are the potential approaches for considering NIAS in the risk assessment of food contact materials?
  • The challenges of communicating scientific information to a nonscientific audience, particularly the importance of communicating the entire story (example- what we know, what we don't know, not just what we want them to know) while making the information as relevant as possible.
Concluding Remarks
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This unique forum investigated current and emerging challenges related to improving energy balance behavior assessment and intervention via technology, and focused on how the research community might embrace and apply innovative new tools.

Am J Prev Med Theme Section: Innovative Tools for Assessing Diet and Physical Activity for Health Promotion

The Tech Summit resulted in four publications, appearing as a theme section in the American Journal of Preventive Medicine:

Advances and Controversies in Diet and Physical Activity Measurement in Youth

This report reviews current developments in dietary intake and physical activity assessment in youth.

Access the full publication.

Dietary Intake and Physical Activity Assessment: Current Tools, Techniques, and Technologies for Use in Adult Populations

This paper summarizes recent technological advancements, such as remote sensing devices, digital photography, and multisensor devices, which have the potential to improve the assessment of dietary intake and physical activity in free-living adults.

Access the full publication.

Diet and Activity Assessments and Interventions Using Technology in Older Adults

This paper reports on the findings and recommendations specific to older adults from the “Tech Summit: Innovative Tools for Assessing Diet and Physical Activity for Health Promotion” forum organized by the North American branch of the International Life Sciences Institute.

Access the full publication.

Share Save Technology Innovations in Dietary Intake and Physical Activity Assessment: Challenges and Recommendations for Future Directions

Dietary intake (DI) and physical activity (PA) data are used in a variety of ways, including to determine nutrient adequacy and deficiency; to assess nutritional, fitness, and health status; to develop health promotion and behavioral interventions; and to understand food chemical and microbiological exposure, food–drug interactions, and pharmacokinetic effects. Methods used to capture these data must therefore be reliable and accurate to ensure confidence when determining quantitative DI and energy intake (EI), food behaviors, and energy expenditure (EE), especially for real-time monitoring and interventions. Moreover, because the underlying pathways and mechanisms regulating energy homeostasis are not fully understood, improved measures can help address challenges in understanding interrelationships between DI and PA.

Access the full publication.

Organized by:
IAFNS Committee on Balancing Food & Activity for Health
University of California, San Diego 
American College of Sports Medicine
with programmatic input from NIH and USDA ARS

Program

Wednesday, 30 November 2016

Welcome & Introductions - Video

IDENTIFY COMMON ISSUES - featured presentations

  • State of the Science of Energy Balance Research Across the Lifespan - David Allison, PhD, University of Alabama at Birmingham Video
  • State of Technology and Innovation related to Physical Activity and Healthful EatingEric Hekler, PhD, Arizona State University Video

Additional Presentations

  • Guidance and Standards for the Responsible Conduct of mHealth Research - Camille Nebeker, EdD, MS, UC San Diego Video
  • Circadian Rhythm as it Relates to Overall Health, Wellness, and Risk for Disease - Satchin Panda, PhD, the Salk Institute Video

CHILDREN & YOUTH -  Moderator: Tom Robinson, MD, Stanford

  • Current Technologies in Diet Assessment & Intervention - Carol J. Boushey, PhD, MPH, RD, University of Hawaii Video
  • Current Technologies in Physical Activity Assessment & Intervention - Jaqueline Kerr, PhD, MSc University of California San Diego Video
  • Advances & Challenges in Measuring Dietary Intake and Physical Activity - Donna Spruijt-Metz, MFA, PhD, University of Southern California Video

Thursday, 1 December 2016

ADULTS - Moderators: Rick Troiano, PhD, NIH - Intro Video

  • Current Technologies in Diet Assessment & Intervention - Rick Weiss, MS, Viocare Video
  • Current Technologies in Physical Activity Assessment & Intervention - Anand Iyer, PhD, WellDoc Video
  • Advances & Challenges in Measuring Dietary Intake and Physical Activity - Lauren Ptomey, PhD, RD, LD, University of Kansas Video 

OLDER ADULTS - Moderators: David Klurfeld, PhD, USDA, & Tamara Harris, MD, National Institute on Aging - Intro Video

  • Current Technologies in Diet Assessment & Intervention - Sai Das, PhD, Tufts University Video
  • Current Technologies in Physical Activity Assessment & Intervention - Jacqueline Kerr, PhD, MSc, University of California San Diego Video
  • Advances & Challenges in Measuring Dietary Intake and Physical Activity - Todd Manini, PhD, University of Florida Video

Concluding Panel & Summit Closing Remarks - Kevin Patrick, MD, MS, UCSD

Full event video playlist can be found on the IAFNS YouTube Channel.

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