Week_5B_mycotoxins - MYCOTOXINS Sinister and Deadly Poisons...

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February 19 MYCOTOXINS Sinister and Deadly Poisons from Molds
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MYCOTOXINS
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ASPERGILLUS FLAVUS produces AFLATOXIN ********* The health threat of aflatoxin (and fungus toxins in general) was discovered with the flurry of research that followed death of 100,000 turkeys in England in 1960
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Lessons from aflatoxin research: 1. A. flavus is part of a species complex
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Lessons from aflatoxin research: 1. A. flavus part of a species complex 2. Primary site of action : Liver (cancer)
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Photo: Penn State Univ.
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Lessons from aflatoxin research: 1. A. flavus part of a species complex 2. Primary site of action: Liver (cancer) 3. Less toxin is produced when competing microbes are present
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Lessons from aflatoxin research: 1. A. flavus part of a species complex 2. Primary site of action: Liver (cancer) 3. Less toxin is produced when competing microbes are present 4. Toxin production varies w/ substrate
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Product No. samples W/ afltxn Avg. . Max ppb. Ppb P’nut butter 9458 187 10.8 181 P’nuts, roasted shelled 1273 67 24.9 250 P’nuts, roasted, in shell 267 2 9 12 P’nut oil (crude) 8 5 246 310 Pistachio 107 20 - 150
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Other foodstuffs with A. flavus and relatives: Pepper Nutmeg Pasta
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Lessons from aflatoxin research: 1. A. flavus part of a species complex 2. Primary site of action: Liver (cancer)
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This note was uploaded on 05/04/2009 for the course PLPA 2010 taught by Professor Hudler during the Spring '08 term at Cornell University (Engineering School).

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Week_5B_mycotoxins - MYCOTOXINS Sinister and Deadly Poisons...

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