; Food borne Illnesses are
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Food borne Illnesses are

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									Food borne Illnesses
        are
            Adulterated Foods
         caused by contaminants

n   Chemical – insecticides, cleaning
    compounds
Physical – rodent hairs, paint chips,
               glass
      Biological – natural toxins or
               pathogens
n   Green potatoes (solanine)

n   Fungi, Viruses, Parasites, and Bacteria
n 95% of all food-borne illnesses
 are cause by pathogens…

 only 1% of microorganisms are
 responsible for causing illness
                    Fungi

n   Yeast and Mold
n   More responsible for food spoilage than
    illness
                   Viruses

n   Do not multiply in food but contaminate
    through poor sanitation
                   Parasites

n   Feed on and take shelter in another
    organism such as trichinella spiralis in pork
                  Bacteria

n   Responsible for significant percentage of
    biological food borne illness

Need 3 conditions for growth and reproduction
n   A protein source
n   Moisture
n   Moderate pH
        Campylobacter jejuni

n   Poultry
n   Unpasteurized dairy
n   Most common cause
    of diarrheal illness in
    US
n   Flu-like symptoms
E. Coli 0157:H7
        n   Raw and undercooked
            ground beef
        n   Unpasteurized juices
        n   Leafy green
            vegetables
        n   Contaminated water
            swimming in or
            drinking
        n   Flu-like symptoms
Listeriosis
      n   Unpasteurized milk
          products
      n   Deli meats
      n   Widespread in soil
      n   Flu-like symptoms or
          miscarriage in women
          who are pregnant
                Salmonella
n   Flu-like symptoms
    from undercooked
    chicken or raw or
    undercooked eggs
Botulism
    n   Caused by an
        anaerobic toxin
    n   Double vision, trouble
        swallowing, muscle
        weakness, paralysis,
        attacks the central
        nervous system
    n   70% fatality rate
           Who is at risk???

Children
               People with
               impaired
               immune
               systems
                             Elderly

								
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