Document Detail


Food poisoning due to methamidophos-contaminated vegetables.
MedLine Citation:
PMID:  11527224     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Organophosphate poisoning is well known for its characteristic symptoms and signs, but food poisoning caused by pesticide-contaminated food is seldom reported.
CASE REPORT: We report three incidents of food poisoning that resulted from exposure to the organophosphate insecticide methamidophos in vegetables. These outbreaks caused a cholinergic syndrome in 4 patients. The cholinergic overactivity led as to suspect organophosphate food poisoning. All patients recovered well following appropriate therapy. The clinical diagnosis of organophosphate poisoning was confirmed by reduced levels of erythrocytes and plasma cholinesterase and the presence of methamidophos in the vegetable leftovers. The implicated vegetables and levels of methamidophos were: Ipomoea batatas 255 ppm, Gynura bicolor 110 ppm, and red cabbage 26.3 ppm. Since methamidophos is normally applied to vegetables during planting, improper selection and/or overuse of pesticide or improper harvest times may explain the occurrence of these high residue levels of methamidophos.
Authors:
M L Wu; J F Deng; W J Tsai; J Ger; S S Wong; H P Li
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of toxicology. Clinical toxicology     Volume:  39     ISSN:  0731-3810     ISO Abbreviation:  J. Toxicol. Clin. Toxicol.     Publication Date:  2001  
Date Detail:
Created Date:  2001-08-30     Completed Date:  2001-09-13     Revised Date:  2013-05-20    
Medline Journal Info:
Nlm Unique ID:  8213460     Medline TA:  J Toxicol Clin Toxicol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  333-6     Citation Subset:  AIM; IM    
Affiliation:
Department of Medicine, Taipei Veterans General Hospital and Faculty of Medicine, School of Medicine, National Yang-Ming University, Taiwan. mlwu@vghtpe.gov.tw
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MeSH Terms
Descriptor/Qualifier:
Adult
Autonomic Nervous System Diseases / chemically induced,  physiopathology
Cholinesterases / blood
Female
Food Contamination* / analysis
Humans
Insecticides / poisoning*
Male
Middle Aged
Organothiophosphorus Compounds / poisoning*
Parasympathetic Nervous System
Vegetables / poisoning*
Chemical
Reg. No./Substance:
0/Insecticides; 0/Organothiophosphorus Compounds; 10265-92-6/methamidophos; EC 3.1.1.8/Cholinesterases

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