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Citation
Tags
HERO ID
1249010
Reference Type
Journal Article
Title
Analysis of arsenic bioaccumulation in different organs of the nutritionally important catfish, Clarias batrachus (L.) exposed to the trivalent arsenic salt, sodium arsenite
Author(s)
Kumar, R; Banerjee, TK
Year
2012
Is Peer Reviewed?
Yes
Journal
Bulletin of Environmental Contamination and Toxicology
ISSN:
0007-4861
EISSN:
1432-0800
Volume
89
Issue
3
Page Numbers
445-449
Language
English
PMID
22766630
DOI
10.1007/s00128-012-0714-8
Web of Science Id
WOS:000307515000001
Abstract
Pattern of arsenic bioaccumulation in six organ systems (blood, brain, gills, liver, muscles and skin) of Clarias batrachus was analysed following exposure to sublethal (1 mg L(-1); 5 % of 96 h LC(50) value) concentration of sodium arsenite. After 60 days of treatment the liver accumulated highest concentration (9.711 ± 0.138 μg g(-1) dry wt of tissue.) of arsenic followed by gills (6.156 ± 0.154) > blood (6.070 ± 0.043) > muscles (5.756 ± 0.123) > skin (5.606 ± 0.140) > brain (2.350 ± 0.205). The bioaccumulations of arsenic in all the tissues were time dependant and increased with exposure period. Although the exposed fish loaded with arsenic did not die after prolonged treatment (60 days), the amount of arsenic accumulated made them unsuitable for human consumption. Due to depletion of the proteineous components of their muscles, the body mass of the exposed fish decreased without corresponding decrease in their length. This made the fish lean and thin. These proteineous moieties of the muscles and other tissue systems of the stressed fish were mobilized for breakdown to generate additional requirement of energy to combat the arsenic toxicity.
Keywords
Arsenic bioaccumulation; Clarias batrachus; Sodium arsenite; Toxicity
Tags
IRIS
•
Arsenic Hazard ID
1. Initial Lit Search
PubMed
WOS
ToxNet
WOS
Considered New
2. Lit Search Updates through Oct 2015
WOS
Considered
4. Considered through Oct 2015
7. Other Studies through Oct 2015
Exposure Assessment
•
Arsenic (Inorganic)
1. Literature
PubMed
Toxline, TSCATS, & DART
Web of Science
Lit search updates through Oct 2015
3. Hazard ID Screening
Other potentially supporting studies
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