Document Detail

Infectivity of Trichinella nativa in traditional northern (country) foods prepared with meat from experimentally infected seals.
MedLine Citation:
PMID:  14572224     Owner:  NLM     Status:  MEDLINE    
The infectivity of Trichinella nativa larvae in three traditional northern (country) foods was assessed. Foods were prepared with meat from seals experimentally infected with Trichinella nativa and evaluated over a 317-day period during which this food was fed directly to cats while mice were orally inoculated with larvae recovered following the digestion of the food in a solution containing 1% pepsin and 1% HCl at 37 degrees C. Foods examined were igunaq (meat and blubber placed in a seal skin bag and allowed to ferment), nikku (air-dried meat), and sausage (meat, fillers, salt, and spices). Sausage was examined both in a raw state and after partial cooking. Infective T. nativa larvae survived in igunaq, nikku, raw frozen sausage, and poorly cooked sausage for at least 5 months under controlled laboratory conditions. Core temperatures of partially cooked sausage never exceeded 50 degrees C. Caution should be exercised in using these data to establish guidelines for the consumption of raw products, since the survival of infective larvae could be unpredictably extended under field conditions. These data indicate significant food safety risks associated with igunaq, nikku, and sausage prepared with Trichinella-infected meat and provide information for use in risk management and in directing future research.
Lorry B Forbes; Lena Measures; Alvin Gajadhar; Christian Kapel
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of food protection     Volume:  66     ISSN:  0362-028X     ISO Abbreviation:  J. Food Prot.     Publication Date:  2003 Oct 
Date Detail:
Created Date:  2003-10-23     Completed Date:  2004-01-09     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  7703944     Medline TA:  J Food Prot     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1857-63     Citation Subset:  IM    
Centre for Animal Parasitology, Saskatoon Laboratory, Canadian Food Inspection Agency, 116 Veterinary Road, Saskatoon, Saskatchewan, Canada S7N 2R3.
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MeSH Terms
Consumer Product Safety*
Food Handling / methods*
Food Parasitology
Meat / parasitology*
Meat Products / parasitology
Seals, Earless / parasitology*
Specific Pathogen-Free Organisms
Time Factors
Trichinella* / isolation & purification,  pathogenicity
Trichinellosis / parasitology*,  transmission

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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