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Micoorganism
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small, living organism that can only be seen with a microscope
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Pathogen
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Harmful microorganism, makes people sick when eaten or produces a toxin that causes illness
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4 types of pathogens
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Bacteria, viruses, parasites, fungi (includes mold and yeast)
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onset time of food borne illness
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30 minutes to 6 weeks
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BIG SIX PATHOGENS
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salmonella typhi, nontyphoidal salmonella, e. coli (shiga producing escherichia coli), shigella spp., hepatitis A, Norovirus
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what bacteria need to grow
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Food, Acidity (4.6 to 7.5), Temperature (41 to 135... danger is 70 to 125), Time, Oxygen, Moisture
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major bacteria include:
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-bacillus cereus-listeria monocytogenes-shiga producing e.coli-campylobacter jejuni-clostridium perfringens-clostridium botulinum-nontyphoidal salmonella-salmonella typhi-shigella spp.-staphylococcus aureus-vibrio vulnificus-vibrio parahaemolyticus
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Bacteria that can be controlled by controlling time and temperature:
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-bacillus cereus-listeria monocytogenes-shiga producing e.coli-campylobacter jejune-clostridium perfringens-clostridium botulinum
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Bacillus Cereus
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-can cause two diff. diseases:1. Diarrhea illness, bacillus cereus gastroenteritis--cooked vegetables, meat, milk2. Vomiting illness, bacillus cereus gastroenteritis--rice, fried rice, rice pudding'-CONTROL TIME AND TEMPERATURE
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Listeria Monocytogenes
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-listeriosis-mainly in pregnant women-miscarriage, sepsis, pneumonia, meningitis-deli meat, hot dogs, soft cheese, unpasteurized dairy products-CONTROL TIME AND TEMPERATURE
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Shiga toxin producing E. coli
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-one of big six-hemorrhagic colitis (bloody diarrhea), kidney failure-ground beef, contaminated produce-CONTROL TIME AND TEMPERATURE
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Campylobacter Jejuni
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-campylobacteriosis-poultry, contaminated water, meat, stews/gravies-watery or bloody diarrhea-CONTROL TIME AND TEMP
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Clostridium Perfringens
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-clostridium perfringens gastroenteritis-meat, poultry, dishes like stew or gravy that has meat or poultry-CONTROL TIME AND TEMP
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Clostridium Botulinum
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-botulism-incorrectly canned food, reduced oxygen packaged good, temperature abused vegetables like baked potatoes-untreated garlic and oil mixtures-double vision, difficulty speaking and swallowing-CONTROL TIME AND TEMP
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Bacteria that can be controlled by controlling cross-contamination:
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Nontyphoidal salmonella, salmonella type
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