Document Detail


Assessing lead thresholds for phytotoxicity and potential dietary toxicity in selected vegetable crops.
MedLine Citation:
PMID:  18311529     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Lead tolerance and accumulation in shoots and edible parts varied with crop species and soil type. The critical Pb concentrations at 10% yield reduction were 24.71, 28.25, and 0.567 mg kg(-1) for pakchoi, celery, and hot pepper, respectively under hydroponic conditions, whereas were 13.1, 3.83, 0.734 mg kg(-1) grown in the Inceptisol and 31.7, 30.0, 0.854 mg kg(-1) in the Alluvial soil, respectively. Based on the threshold of human dietary toxicity for Pb, the critical levels of soil available Pb for pakchoi, celery, and hot pepper were 5.07, 8.06, and 0.48 mg kg(-1) for the Inceptisol, and 1.38, 1.47, and 0.162 mg kg(-1) for the Alluvial soil, respectively. Similarly, the total soil Pb thresholds were different from vegetable species and soil types.
Authors:
C L Hong; Y B Jia; X E Yang; Z L He; P J Stoffella
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-03-03
Journal Detail:
Title:  Bulletin of environmental contamination and toxicology     Volume:  80     ISSN:  0007-4861     ISO Abbreviation:  Bull Environ Contam Toxicol     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-05-15     Completed Date:  2008-10-17     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0046021     Medline TA:  Bull Environ Contam Toxicol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  356-61     Citation Subset:  IM    
Affiliation:
College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou, 310029, China.
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MeSH Terms
Descriptor/Qualifier:
Chemistry, Physical
Diet
Food Contamination / analysis*
Humans
Lead / metabolism,  toxicity*
Physicochemical Phenomena
Plant Diseases / chemically induced*
Plant Shoots / chemistry,  metabolism
Seeds / chemistry
Soil / analysis
Vegetables / chemistry*,  metabolism
Chemical
Reg. No./Substance:
0/Soil; 7439-92-1/Lead

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


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