Food Safety Slides 2 - Department of Environmental and...

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ENVH111.Food2.2002 1 University of Washington > Department of Environmental and Occupational Health Sciences, University of Washington Food Safety Food Safety • Nutrition • Contaminants – Biological – Chemical • Health effects • Food additives • Food production • Control of food-borne diseases • Control of food safety Disease Causation Factors • Food Industry Changes • Food Service • Food Handling Practices • Food Production Food industry changes Changes in eating habits More types of foods (seasonal) Greater shelf life (transportation) More imported foods New food processes Use of additives Food Service Industry Employee turnover Poor sanitation practices Poor Hand-washing Cross Contamination Changes in food production Mass production of food Use of growth promoters & growth regulators Stabilizers to increase shelf life & flavor
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ENVH111.Food2.2002 2 Changes in food production • E. Coli O157:H7 • “new” bacteria from cattle intestine (1982) • Contaminated meat, fruits, veggies, juices • Low infective dose (10 microbes) • Toxin producing – Symptoms in 1-9 days; bloody diarrhea – Hemolytic Uremic Syndrome (15%); Kidney damage • Death rate as high as 10% E-coli and food production • Industrial Production of Food • Feed lots and packing houses • Growth hormones • Antibiotics •S t r e s
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Food Safety Slides 2 - Department of Environmental and...

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