chp9 - Risk Assessment Risk Assessment FScN FScN 4131 4131...

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Unformatted text preview: Risk Assessment Risk Assessment FScN FScN 4131 4131 Food Quality Food Quality October 20, 2000 October 20, 2000 Risk Assessment Risk Assessment Acknowledgments: Acknowledgments: Frank F. Frank F. Busta Busta FScN 5122 FScN 5122 Control Systems in Food Microbiology Control Systems in Food Microbiology Food Safety Increased Increased Decreased Decreased WHICH ONE IS HAPPENING? Consumer Demands Safer Food More raw and minimally processed foods from global sources Why? • globalization • better hazard recognition • more dependence on others for food • urbanization • more extensive distribution and transportation Why? • more meals and food prepared outside the home • less education and understanding of food • more types of products available • increased demands on food safety agencies Types of Food in Food-borne Outbreaks England & Wales The Netherlands Spain (1992-1993) (1991-1994) (1990-1992) poultry meat Chinese food eggs & mayonnaise eggs poultry & eggs bakery products pork & ham meat meat & poultry meat & pies foreign foods fish & shellfish dairy products dairy products cheese mixed foods bakery products milk bakery products fish & shellfish canned products rice fruit & vegetables beef, lamb & mutton puddings vegetables (Notermans & Borgsdorff, 1997) How do we assure the safety of processed foods? Risk Analysis Process • Risk Assessment • Risk Management • Risk Communication What is Risk? • What risks do you take daily? • Why are you willing to take these risks and not others? • How do experts define risk? • How is risk assessed by individuals, companies, government? Definition of Risk- Peter Sandman • Risk = Hazard + Outrage Some Definitions • Hazard = magnitude x probability – magnitude-how bad it is when something happens – probability-how often it is going to happen • Risk = hazard + outrage Definitions • Risk = probability of injury, disease, or death under specific circumstances • Hazard = a biological, chemical or physical agent that can cause an adverse effect on health • Likelihood that hazard will cause adverse effects is the “risk” associated with it Hazard is the expected annual Hazard is the expected annual mortality and morbidity… mortality and morbidity… and risk assessment measures and risk assessment measures this....
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This note was uploaded on 01/06/2011 for the course FDE 510 taught by Professor Prof.hamialpas during the Spring '09 term at Middle East Technical University.

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chp9 - Risk Assessment Risk Assessment FScN FScN 4131 4131...

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