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SERVSAFE/Chapter 2 THE MICROWORLD. Microorganisms… Small, living organisms Harmful microorganisms are called pathogens Cause foodborne illness.

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Presentation on theme: "SERVSAFE/Chapter 2 THE MICROWORLD. Microorganisms… Small, living organisms Harmful microorganisms are called pathogens Cause foodborne illness."— Presentation transcript:

1 SERVSAFE/Chapter 2 THE MICROWORLD

2 Microorganisms… Small, living organisms Harmful microorganisms are called pathogens Cause foodborne illness

3 TYPES OF PATHOGENS Viruses Bacteria Parasites Fungi

4 VIRUSES Leading cause of foodborne illness Cannot grow in food, but can survive cooler and freezer temperatures Key to prevention is good personal hygiene

5 BACTERIA Usually controlled by keeping food out of the temperature danger zone Some bacteria can change into spores to keep from dying when they don’t have enough food Multiplies quickly under the right conditions

6 PARASITES Must be in the meat of another animal in order to survive Can contaminate both food and water…particularly water used to irrigate produce Method of prevention would be to purchase food from a reputable supplier

7 FUNGI Sometimes makes people sick Mostly spoils food Examples are mold and yeast Any food spoiled by mold or yeast should be thrown out, unless the mold is a natural part of the product

8 WHAT PATHOGENS NEED TO GROW FOOD ACIDITY TEMPERATURE TIME OXYGEN MOISTURE

9 Pathogens grow well in food held between the temperatures of 41 degrees F. and 135 degrees F. You can help keep food safe by controlling FAT TOM Viruses are the leading cause of foodborne illness.

10 Fish toxins… Can be a natural part of the fish or made by pathogens on it. Some occur when fish eat smaller fish that have the toxin. Shellfish toxins are caused by marine algae that have a toxin, which the shellfish then eats

11 SEAFOOD TOXINS Scombroid Poisoning Ciguatera Fish Poisoning Paralytic Shellfish Poisoning Neurotoxic Shellfish Poisoning Amnesic Shellfish Poisoning

12 Mushroom toxins… Foodborne illness linked with mushrooms are almost always caused by eating toxic, wild mushrooms collected by amateur hunters.


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