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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:

2015年03期

Page:

96-100

Column:

研究论文

publishdate:

2015-05-30

Article Info:/Info

Title:

Contents of heavy metals in plant production and their health risk assessment

Article ID:

1000-2006(2015)03-0096-05

Author(s):

YU Meijuan¹;  FU Qinglong²; 3;  LIU Yonglin²;  LI Lanhai^1*

1. College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China;
2. Jiangxi Institute of Analyzing and Testing, Nanchang 330029, China;
3. Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

Keywords:

plant produce;  heavy metals pollution;  health risk assessment;  maize

Classification number :

S718

DOI:

10.3969/j.issn.1000-2006.2015.03.018

Document Code:

A

Abstract:

Plant production constitutes the predominant food for human. High contents of heavy metals in plant production will result in potential risk to human health. Maize is a main grain production for human food and animal feed. This study took the maize collected from markets of Ruichang County, Jiangxi Province as the subject to measure its contents of Cd,Cu,Pb,Cr,Zn,Ni,Al,Mn and Co, assess their health risk for local inhabitants. The pollution situations of heavy metals were evaluated based on national food safety standards of China, and their potential health risk to adults and children by food ingestion were assessed by the methods of target hazard quotient(THQ)and hazard index(HI).The results showed that the contents of studied elements were all far below the current national food safety limits. Both THQ and HI values were less than 1. This indicated that health risk for humans was low through the maize consumption. The health risk for both adults and children caused by individual heavy metals was followed in the order of Zn>Mn>Co>Cu>Ni>Pb>Cd>Al>Cr. In addition, children were more sensitively affected by heavy metals from food ingestion. Overall, the quality of market maize in the studied area was good and there were no obvious health effects on humans. However, significant attentions should be paid to the consumption of maize for children.

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Memo

Memo:

收稿日期:2014-03-02 修回日期:2015-03-15
基金项目:江苏高校优势学科建设工程资助项目(PAPD)
第一作者:余美娟,硕士生。*通信作者:李兰海,教授。E-mail: lilanhai@gmail.com。
引文格式:余美娟,付庆龙, 刘永林,等. 植物性产品重金属污染状况及其健康风险评价[J]. 南京林业大学学报:自然科学版,2015,39(3):96-100.

Common functions

Last Update: 2015-05-30