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FOODBORNE INFECTION

Infection produced by the ingestion of living organisms in food.

3 areas of food safety and sanitation

Time and temp


Heat and cold


Washing hands/ware

Poultry cooking temp

165

Ground beef cooking temp


155

Pork Cooking temp

145

Food contact surfaces should


Washed. Rinsed. Sanitized. Air-dried


4 high risk populations

Pregnant/Nursing women


Infants


Elderly


Impaired immune systems

Foodborne Outbreak

When two or more people suffer from the same disease or sickness from eating common food

How often should food contact surfaces be cleaned?

Every 4 hours


4 categories of contaminats

Biological


Physical


Chemical


Cross contamination

Biological contaminant

Live contaminats. Such as bacteria, viruses, parasites and fungus

Physical contaminant

Objects that can be seen...such as nails, hair etc

Chemical contaminants

Chemical reaction contaminants....such as preparing acidic food with cooper

Cross contamination

Transfer of pathogens and organisms from one food to another

How long can food stay in the danger zone? (41-135)

4 hrs. Max.

How often does bacteria double?

Every 20 mins

E coli

Commonly in ground beef, raw fruit, vegetables, unpasteurized juices. Causes foodborne infection

Symptoms of e coli.

Fever diarrhea stomach cramps


Vomiting

Salmonella

Poultry and eggs

Clostridium Botulium

Can form spores.


Does not need oxygen (anaerobic bacteria)


Vacuum packed and home canned foods. Left over baked potatoes


Check for damages cans

Clostridium claustrophobic

Listeria

Found in lunch and deli meats


Cover food to avoid contamination. Also found in refrigerators.


Deadly foodborne illness

Lethal lunch listeria

Shigella

Found in human intestines.


Frequently result of not washing hands after bathroom.


Person to person usually


Found in ready to eat food

Shitgella

Staphylococcus aureus

Most common cause of foodborne illness.


Found on skin, nose and mouth of most people. Also on cuts, burns etc


Induce Vomiting with 30 minutes


Causes foodborne intoxication


Staph= people

Conditions for bacterial growth?

FATTOM


1. Food that is high in protein


2. Acid


3. Temperature


4. Time


5. Oxygen


6. Moisture

Fat enlarge

Viruses

Cause illness but don't reproduce on food and can only reproduce on living organisms


100x smaller than bacteria


Hepatitis A

Typically affects liver


Leading causes poor personal hygene


Common symptoms: lack of appetite, abdominal pain, cramping, diarrhea, And yellowing if the skin.

Norwalk/Norovirus

Causes large amount of viral illnesses


Lives in human intestinal track


Transmitted from fecal-oral route/vomit-oral

Parasites

Live inside or feed of other organisms


Larger than bacteria

Trichenella

Roundworm parasite found in pork but also in mice and rats


Transfered through circulatory system


Anisakis

Found in fish and seafood



Giardia

Found in bodies of contaminated water. Surfaces that have the feces of contaminated humans

Ciguatera

Seafood toxin. Caused by what the fish eats.

Scombroid Poisoning

Most common cause of seafood illness. Comes from histamine toxins





Toxic metal

Some metals can become toxic when exposed to some chemicals.

Jaundice

Yellowing of skin or white of the eyes

Mold

Can cause allergic reactions


Some food can be salvaged if one inch around mold is cut


Can be killed by heating foods to 140° for 10 mins


Freezing prevents growth


Can grow under 41°


Yeasts

Used to produce bread, beer and wine.


Used in dietary suplements


Can be killed by heating foods to 136° for 15 minutes



Shelf life for prepared foods

Some prepared foods can be stored in a refrigerator at 41° or below got a max of 7 days

Thermometers

Never use glass or mercury


Must be bi-metallic, stemmed.


5 inches in length

Digital thermometers



Better for checking temp of thin foods and flat cooking surfaces

Tdz

Temp danger zone. Between 41-135


Foods allowed to be in this range for four hrs max


4 methods of thawing food


1. Using the food as part of the natural COOKING process


2. Keeping foods under REFRIGERATION at 41 or below


3. Placing food into a microwave OVEN for immediat cooking


4. Under running WATER at a temperature of 70 or below


Recieving meats

Below 41°


Vacuum packed may be purple. Will turn red after exposed to air. (Blooming)


Ground meats spoil faster


Sausages should not have slime or mold

Recieving fish

Should be delivered and stored in crushed ice


Temple should be °41 or less


Bright red skin. Gills moist and red. Scales firmly attached


Eyes clear and bulging. Flesh form and elastic.


Look for worms diseases and tumors

Shellfish delivery

Must be alive when delivered


Kept in original container until used


Shell-stock ID tags must be saved for 90 days In case of Outbreak


45 or below


If shells are open they're dead....reject them


Heat sanitizing

Utensils in 170° water for 30 secs.

Chemical sanitizing

Placing equipment in sanitizing solution for 60 secs

How to make a gallon of sanitizing solution

One gallon of water with half ounces of bleach