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Chakraborty, Partha Pratim
- Effect of Some Heavy Metal (Zn, Cu, Pb) Pollutants and Microbial Load on the Edible Oyster (Saccostrea cucullata) in Sundarban, West Bengal
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Authors
Harekrishna Jana
1,
Bivas Kumar Malik
1,
Puspendu Shit
1,
Partha Pratim Chakraborty
1,
Keshab Chandra Mondal
2
Affiliations
1 Department of Microbiology, Raja N. L. Khan Women’s College, Paschim Medinipur, Pin-721102, West Bengal, IN
2 Department of Microbiology, Vidyasagar University, Paschim Medinipur Pin-721102, West Bengal, IN
1 Department of Microbiology, Raja N. L. Khan Women’s College, Paschim Medinipur, Pin-721102, West Bengal, IN
2 Department of Microbiology, Vidyasagar University, Paschim Medinipur Pin-721102, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 18, No 1 (2021), Pagination: 1-13Abstract
Total bacterial count (TBC), total coliform (TC), total faecal coliform (TFC), E. coli and Bifidobacterium sp. in the flesh of edible oyster (Saccostrea cucullata), in three collecting stations of Sundarban, varied during different seasons of a year. The bacterial load was maximum in monsoon and minimum in pre monsoon. Heavy metal content in the flesh showed following sequence: Zn>Cu>Pb, with maximum values during monsoon and minimum values during pre-monsoon. Further, maximum antioxidant enzyme (Catalase and Superoxide dismutase) activities in the oyster were recorded during pre-monsoon which decreased in monsoon, while the level of lipid peroxidation (free radical) was minimum in pre-monsoon. It appears, therefore, that the antioxidant activity in oyster was inversely proportional to the heavy metal concentration in the flesh. Hence, monitoring of heavy metal content in the water of Sundarban estuary is considered vital towards the survivability of the oysters.Keywords
Bacterial Load, Heavy Metals, Antioxidant Enzyme, Oyster, Sundarban.
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