Chapter 2 Flashcards
Contamination defined
Presence of harmful substances in the food
Contamination types
Biological
Chemical
Physical
Pathogens
Disease causing microorganisms
4 types of pathogens that can cause foodborne illness
Bacteria
Viruses
Parasites
Fungi
Biological contamination
Occurs when pathogens grow in food
Fat tom
Food Acidity Temperature Time Oxygen Moisture
People get viruses from
Contaminated food, surfaces or water
Viruses require
Host to grow
Many viruses transferred by
Fecal oral route
Most viruses are not destroyed by
Normal cooking temperatures
Best virus prevention measures
Purchase from approved vendors
Practice good hygiene
Conditions for growth you can control
Time
Temperature
Parasites need
Host to live and reproduce
Parasites are commonly associated with
Seafood and foods processed with contaminated water
Most important measure to prevent parasites
Purchase food from approved suppliers
Fungi best prevented by
Buying from approved vendors
Fungi include
Mold
Yeasts
Mushrooms
Chemical contamination occurs when
Chemicals get into food and beverages
Chemical contaminants include
Toxic metals Cleaners Sanitizers Polishes Metal lubricants
To help prevent chemical contamination
Store chemicals away from food
Follow manufacturers directions
Physical contamination occurs when
Physical objects get in the food
Physical contamination also includes
Natural items like fish bones