Bioaccumulation of heavy metals in the edible crustacean species collected from selected littoral states of Arabian Sea | [Abstract Book on International Conference on Food and Applied Sciences (ICFAS-23) 3-5 August 23 • 2023]

Author(s):

1. Asad Khan Tanoli: Department of Chemistry, Faculty of Science, University of Karachi, Karachi, Pakistan

2. Tuba: Department of Chemistry, Faculty of Science, University of Karachi, Karachi, Pakistan

3. Kamal: Department of Chemistry, Faculty of Science, University of Karachi, Karachi, Pakistan

4. Nida Ali: Department of Chemistry, Faculty of Science, University of Karachi, Karachi, Pakistan

Abstract:

Arabian Sea is the most important region in terms of the international trade routes. Pakistan is situated in the North-West division of Arabian Sea. Pakistan Maritime zone is considered as one of the highest productive areas of the world because of geological and ecological characteristics. The littoral state of Pakistan is facing much environmental issues during the last decade due to increasing industrialization and urbanization which have gradually declined the export of Sea food products. Crustacean species like shrimps and lobsters are good source of nutrients and are also considered as the bio-indicators of toxic metals due to their high affinity to accumulate trace metals than fishes. The trace metals are partitioning in sediments, beach water and sea foods. The effects of the metal as pollutants, their differential absorption by the shrimps and lobsters which directly affect the human health due to their heavy consumption as a food. The study was undertaken to assess concentration of heavy metals in most abundantly found eight species of shrimp and three lobster's species along the selected coastal areas of Arabian Sea. Beach sediments were also gathered from the same coastal areas from where shrimps and lobsters were harvested. For the quantitative analysis of microelements and toxic metals in biosamples and sediments samples Atomic Absorption Spectroscopy techniques were used. Finally, results were compared with the internationally recommended permissible limits. After interpreted of all analysis were evaluated that concentration of essential (micro elements) like copper, zinc iron, nickel and non -essential such as lead in edible tissues (muscles) and exoskeleton of shrimp and lobster's species were in acceptable limits as mentioned by WHO and FAO except manganese and cobalt. Bioaccumulation studies of trace metals were examined in shrimp and lobster's species as to evaluate the quality status of shrimps and lobsters for human diet. The results were declared that shrimp and lobster's species were de-concentrator of iron, manganese, cobalt, nickel and lead while they supposed to be micro - concentrator for copper and macro - concentrator for zinc and cadmium metals. Analysis of variance (ANOVA) was applied by using software Minitab 14 to find out the concentration variation of micronutrients and toxic contaminants with respect to different body parts during 2019 - 2021 at p < 0.05.

Page(s): 123-123

DOI: DOI not available

Published: Journal: Abstract Book on International Conference on Food and Applied Sciences (ICFAS-23) 3-5 August 23, Volume: 0, Issue: 0, Year: 2023

Keywords:

Heavy metals , Bioaccumulation , human diet , Sea food , Crustaceans species

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