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Authors Yang, H; Deng, Y; Wang, MW; Zhu, M; Liu, C; Ge, ZJ; Xing, JC
Author Full Name Yang, Hua; Deng, Ye; Wang, Mao-Wen; Zhu, Ming; Liu, Chong; Ge, Zhao-Jian; Xing, Jin-Cheng
Title Risk of Heavy Metal Contamination in Three Seawater-Cultivated Vegetables
Source POLISH JOURNAL OF ENVIRONMENTAL STUDIES
Language English
Document Type Article
Author Keywords food safety; heavy metal; ICP-MS; pollution; seawater-cultivated vegetable
Keywords Plus HALOPHYTE; SALICORNIA; SEDIMENTS; SOIL
Abstract To utilize a saline coastal mud flat, seawater-cultivated vegetables were bred and planted in Jiangsu Province, P. R. China. Due to ubiquitous heavy metal pollution in coastal areas and high bioaccumulation potential of heavy metals in halophytes, food safety of seawater-cultivated vegetables should be a public concern. In the present study we collected three seawater-cultivated vegetable species (Suaeda glauca, Salicornia europaea and Portulaca oleracea), soils, seawater and freshwater runoff from five locations in Jiangsu Province. Concentrations of Cu, Zn, Cr, Cd, Pb and Ni in these samples were determined. The results showed that all soil samples showed a low level of heavy metals and complied with the Chinese Environmental Quality Standard for Soils, but seawater and freshwater runoff surrounding sampling sites displayed a high level of Cu an Pb, suggesting a high risk of heavy metal contamination. Levels of Cr and Pb in all investigated plant species were sometimes higher than the limits in the Chinese Standard of Food Safety, suggesting potential risk to food safety. Overall, seawater-cultivated vegetables might accumulate heavy metals and subsequently endanger the health of human beings when planting on saline soils.
Author Address [Yang, Hua; Deng, Ye; Wang, Mao-Wen; Zhu, Ming; Liu, Chong; Ge, Zhao-Jian; Xing, Jin-Cheng] Jiangsu Coastal Area Inst Agr Sci, Yancheng City, Jiangsu, Peoples R China
Reprint Address Ge, ZJ (corresponding author), Jiangsu Coastal Area Inst Agr Sci, Yancheng City, Jiangsu, Peoples R China.
E-mail Address yckjjncc@163.com
Funding Agency and Grant Number China Spark Program [2015GA690003]; Jiangsu Agricultural Science and Technology Innovation Fund [CX(15)1005]; Natural Science Foundation of Jiangsu ProvinceNatural Science Foundation of Jiangsu Province [BK20151301]
Funding Text We thank the Shenzhen Gen roMetab Biotechnology Company for assistance in analysis of heavy metal concentration and the Shenzhen Nobel Science and Technology Service Company for comments on manuscript writing. This work was supported by the China Spark Program (2015GA690003), the Jiangsu Agricultural Science and Technology Innovation Fund (CX(15)1005) and the Natural Science Foundation of Jiangsu Province (BK20151301).
Publisher HARD
Publisher City OLSZTYN 5
Publisher Address POST-OFFICE BOX, 10-718 OLSZTYN 5, POLAND
ISSN 1230-1485
29-Character Source Abbreviation POL J ENVIRON STUD
ISO Source Abbreviation Pol. J. Environ. Stud.
Year Published 2020
Volume 29
Issue 1
Beginning Page 961
Ending Page 967
Digital Object Identifier (DOI) 10.15244/pjoes/104457
Page Count 7
Web of Science Category Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number JU2DY
Unique Article Identifier WOS:000501486900043
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