Document Detail

Residue levels of organochlorine pesticides in cattle meat and organs slaughtered in selected towns in West Shoa Zone, Ethiopia.
MedLine Citation:
PMID:  23030437     Owner:  NLM     Status:  In-Data-Review    
Residue levels of organochlorine pesticides (OCP) in a total of 90 cattle samples comprising meat, liver and kidney collected from carcasses slaughtered in six towns in West Shoa Zone, Ethiopia, (Ambo, Guder, Ginchi, Gedo, Holeta and Tikur Inchini), have been determined. The pesticides were extracted by solid phase extraction (SPE) and quantification was carried out using gas chromatography-mass spectrometry (GC-MS). A good linearity (r(2) > 0.998) was found in the range 0.001-7.00 mg/kg for the samples studied. Most of the pesticides had recoveries in the range 81-99% and values of relative standard deviation (RSD) <7.2% for repeatability and reproducibility, showing good accuracy and precision of the method. The concentration level of the studied organochlorines followed the order: p, p' dichloro-diphenyl-trichloroethane (DDT) > endosulfan>o,p'-DDT >lindane>dieldrin>endrin>aldrin>chlorothanolin while the order of contamination in the analyzed organs was liver > kidney > meat. Heat treatment of the meat, kidney and liver samples (boiling for 90 min.) produced an overall reduction of 62.2%, 44.5%, 37.7%, 29%, 31%, 34.3% and 30.8% in lindane, o, p'-DDT, endosulfan, p, p'-DDT, chlorothanolin, aldrin, dieldrin, and endrin, respectively. Although the residual contents of the organochlorines detected in all the contaminated samples analyzed from the six cities were below the respective maximal permissible levels set by international organizations, samples from Holeta town were more contaminated and may necessitate effective monitoring as bioaccumulation of these residues may pose health problems in human beings.
Bayessa D Letta; Louis E Attah
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes     Volume:  48     ISSN:  1532-4109     ISO Abbreviation:  J Environ Sci Health B     Publication Date:  2013  
Date Detail:
Created Date:  2012-10-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7607167     Medline TA:  J Environ Sci Health B     Country:  England    
Other Details:
Languages:  eng     Pagination:  23-32     Citation Subset:  IM    
a Department of Chemistry , Ambo University , Ambo , Ethiopia.
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