Potential of metal contamination to affect the food safety of seaweed (Caulerpa spp.) cultured in coastal ponds in Sulawesi, Indonesia

Shane E Perryman; Imran Lapong; Akhmad Mustafa; Rosiana Sabang; Michael Rimmer

doi:10.1016/j.aqrep.2016.12.002

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Potential of metal contamination to affect the food safety of seaweed (Caulerpa spp.) cultured in coastal ponds in Sulawesi, Indonesia

Journal article

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Peer reviewed

Potential of metal contamination to affect the food safety of seaweed (Caulerpa spp.) cultured in coastal ponds in Sulawesi, Indonesia

Shane E Perryman, Imran Lapong, Akhmad Mustafa, Rosiana Sabang and Michael Rimmer

Aquaculture Reports, Vol.5, pp.27-33

2017

DOI: https://doi.org/10.1016/j.aqrep.2016.12.002

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Abstract

Fisheries Sciences

Caulerpa

food safety

acid sulfate soil

heavy metal

This study evaluated metal concentrations in Caulerpa spp. cultured in 'traditional' coastal ponds in South Sulawesi and consumed locally as food. Although Caulerpa spp. are a rich source of supplemental dietary nutrients, like many macroalgal species they are also capable of bioaccumulating potentially toxic metals. We measured the metal concentrations of Caulerpa spp. from several locations in South Sulawesi to determine (1) whether cultivated Caulerpa spp. posed a potential risk to consumers, (2) whether Caulerpa spp. from cultivated ponds had different metal content that varied between localities and (3) whether there was any evidence for increased concentrations of heavy metals in Caulerpa spp. cultivated in ponds with known acid sulfate soils (ASS). Of the metals studied only As (0.7 mg kg-1) and Pb (0.35 mg kg-1) were recorded at concentrations approaching the national food safety (BSN) limits of Indonesia (1.0 and 0.5 mg kg-1 respectively). Locality differences were observed between samples that could be explained by the background geography of sites. There was some indication that ASS conditions could lead to elevated levels of heavy metals. Consequently, we propose that the potential acidity of pond soil is considered when cultivating Caulerpa.

Details

Title: Potential of metal contamination to affect the food safety of seaweed (Caulerpa spp.) cultured in coastal ponds in Sulawesi, Indonesia
Authors: Shane E Perryman (Author) - Makassar Independent School, Indonesia
Imran Lapong (Author) - ACIAR Field Support Office, Indonesia
Akhmad Mustafa (Author) - Research Institute for Coastal Aquaculture, Indonesia
Rosiana Sabang (Author) - Research Institute for Coastal Aquaculture, Indonesia
Michael Rimmer (Author) - University of Sydney
Publication details: Aquaculture Reports, Vol.5, pp.27-33
Publisher: Elsevier BV
Date published: 2017
DOI: 10.1016/j.aqrep.2016.12.002
ISSN: 2352-5134
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99451160102621
Output Type: Journal article

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Web Of Science research areas: Fisheries

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