Document Detail


Lead accumulation in different Chinese cabbage cultivars and screening for pollution-safe cultivars.
MedLine Citation:
PMID:  19942339     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Recently, the concept of pollution-safe cultivars (PSCs) was proposed to minimize the influx of pollutants to the human food chain. Variations in lead (Pb) uptake and translocation among Chinese cabbage (Brassica pekinensis L.) cultivars were investigated in a pot-culture experiment and a field-culture experiment to screen out Pb-PSCs for food safety. The results of the pot-culture experiment showed that shoot Pb concentrations under two Pb treatments (500 and 1500mgkg(-1)) varied significantly (p<0.05) between cultivars, with average values of 3.01 and 6.87mgkg(-1), respectively. Enrichment factors (EFs) and translocation factors (TFs) in cultivars were less than 0.50 and varied significantly (p<0.05) between cultivars. Shoot Pb concentrations in 12 cultivars under treatment T(1) (500mgkg(-1)) were lower than 2.0mgkg(-1). The field-culture experiment further confirmed Qiuao, Shiboqiukang and Fuxing 80 as Pb-PSCs, which were suitable to be cultivated in low-Pb (<382.25mgkg(-1)) contaminated soils and harmless to human health as foods.
Authors:
Weitao Liu; Qixing Zhou; Yinlong Zhang; Shuhe Wei
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-11-25
Journal Detail:
Title:  Journal of environmental management     Volume:  91     ISSN:  1095-8630     ISO Abbreviation:  J. Environ. Manage.     Publication Date:    2010 Jan-Feb
Date Detail:
Created Date:  2010-02-01     Completed Date:  2010-06-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401664     Medline TA:  J Environ Manage     Country:  England    
Other Details:
Languages:  eng     Pagination:  781-8     Citation Subset:  IM    
Copyright Information:
2009. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, PR China.
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MeSH Terms
Descriptor/Qualifier:
Brassica / chemistry*
Crops, Agricultural / chemistry
Humans
Lead / analysis*
Plant Shoots / chemistry*
Soil Pollutants*
Vegetables / chemistry*
Chemical
Reg. No./Substance:
0/Soil Pollutants; 7439-92-1/Lead

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


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