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Heavy Metals in a Tropical Eel Anguilla marmorata from The Central Part of Vietnam |
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| Authors: | Quang Dung Le Kotaro Shirai Duc Cu Nguyen Nobuyuki Miyazaki Takaomi Arai |
| Institution: | 1. International Coastal Research Center, Ocean Research Institute, The University of Tokyo, Akahama 2-106-1, Otsuchi, Iwate, 028-1102, Japan 2. Institute of Marine Environment and Resources, 246 Danang, Hai Phong, Vietnam 3. Center for International Cooperation, Ocean Research Institute, The University of Tokyo, 1-15-1 Minanidai, Nakano, Tokyo, 164-8639, Japan |
| Abstract: | In order to understand the present status of heavy metal contamination and the risk associated with human consumption, commercial freshwater eels in Vietnam were examined. The concentration of eight elements (Cr, Mn, Co, Cu, Zn, Sr, Cd, and Pb) was determined in muscle tissue of tropical eel Anguilla marmorata collected in four provinces, Quang Tri, Quang Ngai, Binh Dinh, and Phu Yen, from the central part of Vietnam. Concentrations of Cu, Zn, Cd, and Sr were found to be highest, whereas Co concentration showed the lowest at Quang Tri. Cr was recorded to be lowest in Quang Ngai, while the amounts of Mn and Pb did not vary among locations. Although the metal concentrations in the muscle of A. marmorata did not represent a risk for human consumption, elevated Cd concentrations in Quang Tri related to agriculture activities suggest that further investigations should be undertaken to clarify the potential risk to the eel population. |
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