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15 Cards in this Set
- Front
- Back
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How many pounds of seafood do people consume on average per year?
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about 20 pounds
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Who officially regulates seafood?
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FDA
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Who handles the voluntary seafood inspection program?
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NOAA
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What are the two main problems with seafood?
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deterioration and health risks
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What is vibrio and where is it seen?
How do humans get vibrio? Signs? |
Gram negative bacteria found in filter feeders
Humans get it by eating under cooked food causes diarrhea, vomiting and fever |
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What is Anisakis? What is the life cycle?
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A nematode
definative host are marine animals and adults live/burrow in the lining of the stomach |
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What is the largest human tapeworm? What fish harbors this worm?
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Diphyllobothrium
seen in trout, walleye and perch fish humans are infected by eating raw fish |
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What is ciguatera? What are the signs?
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a marine toxin obtained by eating large predatory reef fish
signs are nausea, vomiting and diarrhea |
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Which parasite is not associated with undercooked fish? How is it obtained?
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Fasciola
Infection is to due to ingestion of metecercarie and fresh water fish |
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What can be formed on the surface of fish? Does freezing or cooking inactivate this?
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histamine
bacterial enzymes convert histadine to histamine not inactivated by cooking or freezing |
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What are the two goals of food preservation?
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1) Control microbial growth
2) Prevent autolytic changes on the cellular level |
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What is irradiation? What is resistance to irradiation?
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Uses gamma rays, x-rays, or electron beams to kill many types of microbes, all insects
Viruses and toxins |
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Does irradiation change the taste of food? What does it improve? Is labeling required?
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No
Shelf life Yes |
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How does ozone work in food preservation? What does it kill? Is there a flavor or texture change?
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Oxidizes biological compounds
Everything Yes-minimal |
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What is ozone used to do?
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Surface disinfectant
Purify drinking water |
