Term
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Definition
-grow best at temp range of 15 to 20C, but can grow at 0 to 5C
-cannot survive in the human body
-cause spoilage in refrigerated foods
-all orgs that produce visible growth at 7C w/in 7 days regardless of optimum growth temp
-2 subgroups: obligate and facultative psychrotrophs |
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Term
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Definition
| -those that cannot grow above 20C |
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Term
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Definition
| those that grow best below 20C but can also grow above 20C |
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Term
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Definition
-bacteria that grows w/in temp range of 20 to 45C
-grow at human body temp (37C) and inability to grow above 45C |
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Term
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Definition
-bacteria that grow above 35C
-divided into: facultative thermophile and obligate thermophile |
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Term
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Definition
| those whose optimum growth temp falls w/in the range of 45 to 60 C |
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Term
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Definition
| those that will only grow at temp above 50C with optimum growth temp above 60C |
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Term
| Foods that commonly contain psychrotrophic bacteria |
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Definition
-milk
-dairy products
-meats
-poultry |
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Term
| foods that commonly contain psychrotropic fungi |
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Definition
| -refrigerated fresh fruits and veggies |
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Term
| How has the commercial use of refrigeration affected the prevalence of psychrotrophic organisms in food products? |
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Definition
| As a result, psychrotrophic pathogens have become an increasing threat to refrigerated foods and food safety |
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Term
| The detection of psychrotrophic orgs in food is an indicator of what? |
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Definition
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