Document Detail

Determination of cadmium, lead, copper and zinc in Yemeni khat by anodic stripping voltammetry.
MedLine Citation:
PMID:  15562730     Owner:  NLM     Status:  MEDLINE    
Trace element concentrations in khat were investigated as they can disturb trace element levels in the body. Cadmium (Cd), lead (Pb), copper (Cu) and zinc (Zn) levels in khat and 6 leafy vegetables commonly consumed in the Republic of Yemen were determined by differential pulse anodic stripping voltammetry after wet digestion of the organic matter. Khat had significantly higher concentrations of Cu and Zn than did the leafy vegetables, but similar amounts of Cd and Pb. The average daily intake of khat consumers of Cd, Pb, Cu and Zn from khat only was estimated to be 2.0-10.2 microg/day, 23.6-118.0 microg/day, 530-2654 microg/day and 662-3311 microg/day respectively. Although high, these values were within Food and Agriculture Organization/World Health Organization tolerance limits.
M H Matloob
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Eastern Mediterranean health journal = La revue de santé de la Méditerranée orientale = al-Majallah al-ṣiḥḥīyah li-sharq al-mutawassiṭ     Volume:  9     ISSN:  1020-3397     ISO Abbreviation:  East. Mediterr. Health J.     Publication Date:    2003 Jan-Mar
Date Detail:
Created Date:  2004-11-25     Completed Date:  2004-12-17     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9608387     Medline TA:  East Mediterr Health J     Country:  Egypt    
Other Details:
Languages:  eng     Pagination:  28-36     Citation Subset:  IM    
Department of Chemistry, College of Science for Girls, University of Babylon, Babylon, Iraq.
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MeSH Terms
Brassica / chemistry
Brassicaceae / chemistry
Cadmium / analysis*
Catha / chemistry*
Copper / analysis*
Environmental Monitoring / methods
Food Handling / methods
Lead / analysis*
Lettuce / chemistry
Nutrition Policy
Onions / chemistry
Petroselinum / chemistry
Plant Preparations / chemistry*
Polarography / instrumentation,  methods*,  standards
Raphanus / chemistry
Sensitivity and Specificity
Vegetables / chemistry
Zinc / analysis*
Reg. No./Substance:
0/Plant Preparations; 7439-92-1/Lead; 7440-43-9/Cadmium; 7440-50-8/Copper; 7440-66-6/Zinc

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

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