Document Detail

Dietary exposure to essential and toxic trace elements from a Total diet study in an adult Lebanese urban population.
MedLine Citation:
PMID:  20176072     Owner:  NLM     Status:  MEDLINE    
This study assesses, by the Total diet study approach, the adequacy of micronutrient intake (Co, Cu, Fe, Mn, Ni, Zn) and the dietary exposure of a Lebanese adult urban population to two toxic elements (Cd, Pb). The foods that made up the average 'total diet' were derived from a previous individual consumption survey. A total of 1215 individual foods were collected, prepared and cooked prior to analysis. Analytical quantification was performed using inductively coupled plasma mass spectrometry. Average daily intakes of Co (11.4 microg/day), Cu (1104.19 microg/day), Fe (13.00 mg/day), Mn (2.04 mg/day), Ni (126.27 microg/day) and Zn (10.97 mg/day) were below toxicological reference values and were found to satisfy nutritional recommendations, except for manganese in men and iron in women. Average dietary exposure to Pb and Cd represented 3.2% and 21.7% of the respective provisional tolerable weekly intakes. Estimates of dietary intakes of iron appeared to be inadequate for 63% of adult women. These findings should constitute a current measure of assessing the adequacy and safety of foods consumed in Lebanon and may be a basis for future monitoring studies.
L Nasreddine; O Nashalian; F Naja; L Itani; D Parent-Massin; M Nabhani-Zeidan; N Hwalla
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-02-20
Journal Detail:
Title:  Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association     Volume:  48     ISSN:  1873-6351     ISO Abbreviation:  Food Chem. Toxicol.     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-04-14     Completed Date:  2010-07-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8207483     Medline TA:  Food Chem Toxicol     Country:  England    
Other Details:
Languages:  eng     Pagination:  1262-9     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2010 Elsevier Ltd. All rights reserved.
Department of Nutrition and Food Science, Faculty of Agriculture and Food Sciences, American University of Beirut, Beirut, Lebanon.
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MeSH Terms
Cadmium / analysis
Diet Surveys
Environmental Exposure / adverse effects*
Environmental Monitoring
Food Analysis*
Lead / analysis
Micronutrients / analysis*
Reference Values
Spectrophotometry, Atomic
Trace Elements / analysis*
Urban Population*
Reg. No./Substance:
0/Micronutrients; 0/Trace Elements; 7439-92-1/Lead; 7440-43-9/Cadmium

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