Document Detail

Cadmium, copper and nickel levels in vegetables from industrial and residential areas of Lagos City, Nigeria.
MedLine Citation:
PMID:  12504169     Owner:  NLM     Status:  MEDLINE    
The levels of cadmium, copper and nickel in five different edible vegetables, Talinum triangulare, Celosia trigyna, Corchorus olitorus, Venomia amygydalina and Telfaria accidentalis, and the soils in which they were grown, from three industrial and three residential areas of Lagos City, Nigeria, were determined using atomic absorption spectrophotometry. The results obtained for these three heavy metals from the industrial areas were higher than those of the residential areas as a result of pollution. Industrial area results for vegetables ranged between 1.13 and 1.67 microg/g for cadmium; 25.08 and 56.84 microg/g for copper and 1.33 and 2.06 microg/g for nickel. There were statistically significant differences (P<0.05) between the levels of copper and nickel in all the vegetables studied from industrial and residential areas, while there was no statistically significant difference for cadmium. The results also show that Corchorus olitorus (bush okra) has the ability to accumulate more copper and nickel than the other vegetable studied but has the least ability to accumulate cadmium.
A A Yusuf; T A Arowolo; O Bamgbose
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association     Volume:  41     ISSN:  0278-6915     ISO Abbreviation:  Food Chem. Toxicol.     Publication Date:  2003 Mar 
Date Detail:
Created Date:  2002-12-30     Completed Date:  2003-02-10     Revised Date:  2006-04-17    
Medline Journal Info:
Nlm Unique ID:  8207483     Medline TA:  Food Chem Toxicol     Country:  England    
Other Details:
Languages:  eng     Pagination:  375-8     Citation Subset:  IM    
Department of Chemical Sciences, UNAAB, University of Agriculture, PMB 2240, Abeokuta, Nigeria.
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MeSH Terms
Cadmium / analysis*
Copper / analysis*
Nickel / analysis*
Residence Characteristics
Soil / analysis
Soil Pollutants / analysis*
Spectrophotometry, Atomic
Urban Health
Vegetables / chemistry*
Reg. No./Substance:
0/Soil; 0/Soil Pollutants; 7440-02-0/Nickel; 7440-43-9/Cadmium; 7440-50-8/Copper

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