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Dioxins, PCBs, metals, metalloids, pesticides and antimicrobial residues in wild and farmed Australian southern bluefin tuna (Thunnus maccoyii)P

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Padula, DJ and Daughtry, BJ and Nowak, BF (2008) Dioxins, PCBs, metals, metalloids, pesticides and antimicrobial residues in wild and farmed Australian southern bluefin tuna (Thunnus maccoyii)P. Chemosphere, 72 (1). pp. 34-44. ISSN 0045-6535

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Abstract

Abstract Data concerning the concentration of dioxins (PCDD/PCDFs), polychlorinated biphenyls (PCBs), metals, metalloids, pesticides and antimicrobials residues are reported for the edible portion of Australian wild and farmed southern bluefin tuna (Thunnus maccoyii). In 2004 wild caught (n = 5) and farmed (n = 26) southern bluefin tuna (SBT) were collected. The mean concentration of total mercury on a fresh weight (fw) basis was 0.34 mg/kg in wild SBT and 0.31 mg/kg in farmed SBT. Concentrations of dioxins (PCDD/PCDFs) and polychlorinated biphenyls (PCBs) found in wild SBT were extremely low. The mean concentration (fw) of the sum of PCDD/PCDFs and the dioxin-like PCBs was 0.27 pg TEQ/g in wild SBT and 0.61 pg TEQ/g in farmed SBT. Mean PCB total concentration (fw basis) was 0.47 ng/g in wild SBT and 6.60 ng/g in farmed SBT. No detectable residues of any pesticide or antimicrobial compounds were found. All residues detected were within regulatory limits set by the Japanese Competent Authority, the Ministry of Health, Labour and Welfare (MHLW) and the Australian Competent Authority, Food Standards Australia New Zealand (FSANZ). The need for harmonisation of international product integrity procedures for bluefin tunas in international trade is highlighted. Crown Copyright 2008 Published by Elsevier Ltd. All rights reserved. Keywords: Aquaculture; Baitfish; Contaminant; Feed; Fish; Food safety

Item Type: Article
Keywords: Aquaculture; Baitfish; Contaminant; Feed; Fish; Food safety
Journal or Publication Title: Chemosphere
Page Range: pp. 34-44
ISSN: 0045-6535
Identification Number - DOI: 10.1016/j.chemosphere.2008.02.029
Additional Information: The definitive version is available at http://www.sciencedirect.com
Date Deposited: 06 Jun 2008 05:37
Last Modified: 18 Nov 2014 03:42
URI: http://eprints.utas.edu.au/id/eprint/6750
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