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18 Cards in this Set
- Front
- Back
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Which fungi are the most common producers of myotoxins
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Aspergillus, Fusarium, Penicillium
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T/F the prescence of a mold that can produce a toxin is as danerous as the prescence of the toxin
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False. The prescence of the mold may be benign if the toxin is not produced
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which fungi produce aflatoxins
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aspergillus species like flavus, parasiticus, nidulans
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What foods are usualy the source of aflatoxins
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peanuts, corn, cotttonseed, oil seed
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What are some diseases associated with aflatoxins
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hepatocarcinogen, toxic, mutagenic ,teratogenic
acute or chronic toxicity |
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which fungus produces the trichothecenes toxin
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Fusarium sporotrichiodes
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What foods may contain trichothecenes
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small grains, potatoes, corn
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Why is trichothecenes toxic
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inhibits protein synthesis
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What sxs are associated with Trichothecenes
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bloody diarrhea, dermal necrosis
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what grop disease is associated wit hFusarium gramineraum
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fusarium head blight (scab)
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Why are Fumonisins toxic
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interfere with sphingolipid metabolism/ second messenger
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What species produce fumonisins
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Fusarium verticilliodes, F. proliferatum
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What food may be a source of fumonisins
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corn
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What disease can fumonisins cause
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-leukoencephalomalacia in horses
-esophageal cancer in humans(may be associated with corn mash liquor) |
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What species produce patulin toxins
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Penicillin patulinum and other Penicillium and Aspergillus species
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What foods might be tainted with Patulin toxin
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apples, apple juice
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What disease can be caused by Patulin toxin
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hemorrhaging in cattle, toxic to cell lines and laboratory animals
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How can mycotoxins be controled pre and post harvest
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pre-no good control
post- control moisture levels also transgenic plants and biocontrol with non-toxic strains, bacteria, or predators |
