Heavy metals accumulation in crab and shrimps from Pulicat lake, north Chennai coastal region, southeast coast of India

The accumulation of heavy metals such as lead (Pb), iron (Fe), zinc (Zn), cadmium (Cd), and chromium (Cr) was examined in crab (Scylla serrata) and shrimps (Penaeus semisulcatus, Penaeus indicus, and Penaeus monodon) collected from Pulicat lake that receives effluents from industries located in nort...

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Bibliographic Details
Published in:Toxicology and industrial health 2016-01, Vol.32 (1), p.1-6
Main Authors: Batvari, B Prabhu Dass, Sivakumar, S, Shanthi, K, Lee, Kui-Jae, Oh, Byung-Taek, Krishnamoorthy, RR, Kamala-Kannan, Seralathan
Format: Article
Language:English
Subjects:
Animals
Brachyura - chemistry
Cadmium
Cadmium - analysis
Chromium
Chromium - analysis
Crabs
Decapoda
Environmental Monitoring - methods
Food Contamination - analysis
India
Iron
Iron - analysis
Lakes
Lead (metal)
Lead - analysis
Metals, Heavy - analysis
Monodon
Penaeidae - chemistry
Penaeus indicus
Penaeus monodon
Penaeus semisulcatus
Scylla serrata
Shellfish - analysis
Shrimps
Water Pollutants, Chemical - analysis
Zinc
Zinc - analysis
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Summary:The accumulation of heavy metals such as lead (Pb), iron (Fe), zinc (Zn), cadmium (Cd), and chromium (Cr) was examined in crab (Scylla serrata) and shrimps (Penaeus semisulcatus, Penaeus indicus, and Penaeus monodon) collected from Pulicat lake that receives effluents from industries located in north Chennai, southeast coast of India. The results showed limited difference between crab and prawns as well as significant variations between the organs. Pb is the highly accumulated metal in both crab and shrimps, except P. monodon. The highest metal concentration was mostly found in the liver followed by other organs. The concentration of metals in edible parts (muscle) was within the permissible level and safe for consumption. However, the results of the study clearly indicate the biomagnification of metals in Pulicat lake.
ISSN:0748-2337
1477-0393
DOI:10.1177/0748233713475500