Concentrations of trace elements in meretrix spp (mollusca bivalva) along the coasts of vietnam

Concentrations of trace elements in Meretrix spp.
(Mollusca: Bivalva) along the coasts of Vietnam
Tu N.P.C., Ha N.N., Agusa T., Ikemoto T., Tuyen B.C., Tanabe S.,
Takeuchi I.
Faculty of Agriculture, Department of Life Environment Conservation, Ehime University, Matsuyama,
Ehime 790-8566, Japan; Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama,
Ehime 790-8577, Japan; Department of Legal Medicine, Shimane University Faculty of Medicine, Izumo,
Shimane 693-8501, Japan; Research Institute for Biotechnology and Environment (RIBE), Nong Lam
University, Thu Duc District, Hochiminh City, Viet Nam
Abstract: The dominant coastal bivalve in Vietnam, hard clams Meretrix spp., collected from the South Key
Economic Zone (SKEZ), the Mekong River Delta, and the Central Coastal Zone (CCZ) were analyzed for
21 trace elements. Comparison of the results from the three regions indicated that levels of most of the trace
elements, especially As, Mo, Sn, and Pb, were highest in the samples collected from the CCZ, whereas most
of the trace elements were found to be present at relatively low levels in samples from the SKEZ. The high
concentrations of these trace elements in the CCZ, a sparsely populated region with less human activity than
the other two regions, were believed to have originated from industrial waste produced in a shipyard.
Although the trace element concentrations in the bivalves were within safe levels for human-consumption
criteria reported by the United State Food and Drug Administration and the European Commission,
estimation of cancer risk based on As concentration indicates that the hard clams from the CCZ pose a high
risk to consumers. Thus, the industrial waste produced in the less densely populated region might increase
the health risk to consumers via the contamination of bivalves commonly used as food. © 2010 The
Japanese Society of Fisheries Science.
Author Keywords: Health risk; Meretrix; Shipyard waste; Trace element; Vietnam
Index Keywords: Bivalvia; Meretrix; Mollusca
Year: 2010
Source title: Fisheries Science
Volume: 76
Issue: 4
Page : 677-686
Link: Scorpus Link
Correspondence Address: Takeuchi, I.; Faculty of Agriculture, Department of Life Environment

Conservation, Ehime University, Matsuyama, Ehime 790-8566, Japan; email:
ISSN: 9199268
CODEN: FSCIE
DOI: 10.1007/s12562-010-0251-5
Language of Original Document: English
Abbreviated Source Title: Fisheries Science


Document Type: Article
Source: Scopus
Authors with affiliations:
1. Tu, N.P.C., Faculty of Agriculture, Department of Life Environment Conservation, Ehime University, Matsuyama, Ehime 7908566, Japan
2. Ha, N.N., Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama, Ehime 790-8577, Japan
3. Agusa, T., Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama, Ehime 790-8577, Japan,
Department of Legal Medicine, Shimane University Faculty of Medicine, Izumo, Shimane 693-8501, Japan
4. Ikemoto, T., Faculty of Agriculture, Department of Life Environment Conservation, Ehime University, Matsuyama, Ehime
790-8566, Japan
5. Tuyen, B.C., Research Institute for Biotechnology and Environment (RIBE), Nong Lam University, Thu Duc District,
Hochiminh City, Viet Nam
6. Tanabe, S., Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama, Ehime 790-8577, Japan
7. Takeuchi, I., Faculty of Agriculture, Department of Life Environment Conservation, Ehime University, Matsuyama, Ehime
790-8566, Japan

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