Food borne IllnessesFood borne Illnessesareare

Adulterated FoodsAdulterated Foodscaused by contaminantscaused by contaminants

Chemical – insecticides, cleaning Chemical – insecticides, cleaning compoundscompounds

Physical – rodent hairs, paint Physical – rodent hairs, paint chips, glasschips, glass

Biological – natural toxins or Biological – natural toxins or pathogenspathogens

Green potatoes (solanine)Green potatoes (solanine)

Fungi, Viruses, Parasites, and Fungi, Viruses, Parasites, and BacteriaBacteria

95 % of all food-borne 95 % of all food-borne illnesses are cause by illnesses are cause by pathogens…pathogens…

only 1% of microorganisms are only 1% of microorganisms are responsible for causing illnessresponsible for causing illness

FungiFungi

Yeast and MoldYeast and Mold More responsible for food spoilage More responsible for food spoilage

than illnessthan illness

VirusesViruses

Do not multiply in food but Do not multiply in food but contaminate through poor sanitationcontaminate through poor sanitation

ParasitesParasites

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

BacteriaBacteria

Responsible for significant percentage Responsible for significant percentage of biological food borne illnessof biological food borne illness

Need 3 conditions for growth and reproductionNeed 3 conditions for growth and reproduction

1.1. A protein sourceA protein source

2.2. MoistureMoisture

3.3. Moderate pHModerate pH

Campylobacter jejuniCampylobacter jejuni

PoultryPoultry Unpasteurized Unpasteurized

dairydairy Most common Most common

cause of diarrheal cause of diarrheal illness in USillness in US

Flu-like symptomsFlu-like symptoms

E. Coli 0157:H7E. Coli 0157:H7

Raw and Raw and undercooked ground undercooked ground beefbeef

Unpasteurized juicesUnpasteurized juices Leafy green Leafy green

vegetablesvegetables Contaminated water Contaminated water

swimming in or swimming in or drinkingdrinking

Flu-like symptomsFlu-like symptoms

ListeriosisListeriosis

Unpasteurized milk Unpasteurized milk productsproducts

Deli meatsDeli meats Widespread in soilWidespread in soil Flu-like symptoms Flu-like symptoms

or miscarriage in or miscarriage in women who are women who are pregnantpregnant

SalmonellaSalmonella

Flu-like symptoms Flu-like symptoms from undercooked from undercooked chicken or raw or chicken or raw or undercooked eggsundercooked eggs

BotulismBotulism

Caused by an Caused by an anaerobic toxinanaerobic toxin

Double vision, Double vision, trouble swallowing, trouble swallowing, muscle weakness, muscle weakness, paralysis, attacks paralysis, attacks the central nervous the central nervous systemsystem

70% fatality rate70% fatality rate

Who is at risk???Who is at risk???

ChildrenChildrenPeople with impaired immune systems

Elderly