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Distribution of organochlorine pesticides and heavy metal residues in fish and shellfish from Calicut region, Kerala, India

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Title Distribution of organochlorine pesticides and heavy metal residues in fish and shellfish from Calicut region, Kerala, India
Not Available
 
Creator Sankar, T. V.
Zynudheen, A. A.
Anandan, R.
Viswanathan Nair, P. G.
 
Subject Organochlorine pesticides
Heavy metals
Fish
Shellfish
Kerala
India
 
Description Not Available
Fish collected from five different locations from the Calicut region, India were analysed for the levels of organochlorine pesticides (OCPs) and heavy metal (HM) residues in order to elucidate the status of these chemical contaminants in fish and shellfish meant for human consumption. The highest concentrations of OCPs detected in the edible portion of fish were 10.47, 70.57 and 28.35 ng g −1 wet weight, in marine, brackish water and freshwater, respectively. BHC and heptachlor epoxide formed the major share of OCPs in the marine fish while BHCs contributed to the major share in the freshwater and brackish water fish. The DDT (sum of DDT and its metabolites) ranged from 0.05 to 8 ng g −1 in the samples irrespective of the habitat. Among the HMs, Cu, Zn, Mn and Cr were present in the samples irrespective of the place of collection. About 22% of the samples from the freshwater area contained marginally higher lead content above the legal limit of 0.2 – 0.4 μg g −1. The Cr content ranged from 0.1 to 1.1 μg g −1 in the fish with marginally higher content in the fish from freshwater and marine regions (0.55 – 1.1 μg g −1). Mercury was detected in the samples (55%) from marine habitat only. The concentrations of OCPs and HMs in the samples, in general, were below the maximum residual level recommended by various organizations.
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Date 2021-11-09T08:58:02Z
2021-11-09T08:58:02Z
2006-10
 
Type Research Paper
 
Identifier Sankar, T. V., Zynudheen, A. A., Anandan, R., Viswanathan Nair, P. G. (2006) Distribution of organochlorine pesticides and heavy metal residues in fish and shellfish from Calicut region, Kerala, India. Chemosphere. 65(4): 583-590.
0045-6535
http://krishi.icar.gov.in/jspui/handle/123456789/67184
 
Language English
 
Relation Not Available;
 
Publisher Elsevier