DISTRIBUTION OF TRACE METALS IN CUTTLEFISH (SEPIELLA INERMIS) FROM COASTAL ZONE OF ANDHRA PRADESH

Registration ID: IJNRD_205886

Published ID: IJNRD2309322

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Dr.R.Rekha

Cephalopods, Mercury, Cuttlefish, Heavy metals, Pollution, East coast

Degradation of the quality of the marine environment with chemical contaminants, especially heavy metals is of global concern. There is increasing pressure on the quality and safety of seafood products from the importing countries and hence monitoring of the levels at various points is quite warranted. One of the peculiar features of cephalopods is that they concentrate several trace elements such as Ag, Hg, Pb, Cd, Cr, Cu and Zn at sometimes very high concentrations. In the present study, the levels of five trace metals, viz., Hg, Cd, Pb, Cr and Ni in the cuttlefish (Sepiella inermis) from the three major fisheries harbor (Visakhapatnam, Bheemunipatnam and Kakinada) along the east coast of Andhra Pradesh, and their distribution in the body components and geographical trends are presented. The present study's results were subjected to statistical analysis by one-way ANOVA to find geographical variation in metal levels, if any, in the distribution of heavy metals in cuttlefish collected from the east coast of India. The metal levels in cuttlefish (sepiella inermis) captured from different regions showed significant variability as a function of their geographical origin. Cd content in the whole cuttlefish (sepiella inermis) often exceeded the tolerance limit of 3 ppm, in at least 20% of the whole samples analysed. Pb and Cr levels exceeded the tolerance limit in 11 % of the samples analysed. However, the mean content of all the metals analysed was significantly lower in the edible parts and far below the tolerance limits. The concentration of Hg was found to be <50 ng/kg in the edible muscle in 90% of the samples and Hg content was far below the limit of 1 mg/kg permitted for seafood by many fish importing nations and USFDA. Cd content in muscle was <3 ppm in cuttlefish (sepiella inermis) from all the regions. Cuttlefish (sepiella inermis) liver was the major site of accumulation of Cd and other toxic metals. The increasing order of abundance of most of the metals in cuttlefishes was: Liver > Gills > Muscle. The study also identifies specific organs that may be particularly selective and sensitive to heavy metal accumulation.

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Dr.R.Rekha (September-2023). DISTRIBUTION OF TRACE METALS IN CUTTLEFISH (SEPIELLA INERMIS) FROM COASTAL ZONE OF ANDHRA PRADESH. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 8(9), d150-d161. https://ijnrd.org/papers/IJNRD2309322.pdf

Volume 8 Issue 9, September-2023

Pages : d150-d161

Paper Reg. ID: IJNRD_205886

Published Paper Id: IJNRD2309322

Research Area: Life Sciences 

Author Type: Indian Author

Country: Visakhapatnam, Andhra Pradesh, India

Published Paper PDF: https://ijnrd.org/papers/IJNRD2309322.pdf

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