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International Journal of Zoology and Applied Biosciences Research Article

Impact of mercury chloride on protein and amino acid profiles in brain and muscle of freshwater fish Hypophthalmichthys molitrix (Valenciennes)

Syed Babu. S, M. Muthulingam and S. Sankar Samipillai

Year : 2025 | Volume: 10 | Issue: 6 | Pages: 262-266

doi: https://doi.org/10.55126/ijzab.2025.v10.i06.029

Received on: 15/09/2025

Revised on: 17/10/2025

Accepted on: 25/10/2025

Published on: 04/11/2025

  • Syed Babu. S, M. Muthulingam and S. Sankar Samipillai ( 2025).

    Impact of mercury chloride on protein and amino acid profiles in brain and muscle of freshwater fish Hypophthalmichthys molitrix (Valenciennes)

    . International Journal of Zoology and Applied Biosciences, 10( 6), 262-266.

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Abstract

Pollution is the negative feedback of the environment which affects living organisms. In recent times interest has been focused on rivers and estuaries as these are considered major sources of pollutants of aquatic medium. Human beings have been responsible for marine pollution, as they have introduced directly or indirectly, harmful waste substances into the marine environment. Estuaries and rivers have not been spared with the result the deleterious effects have paved the way for health hazards to human beings.  Fish are one of the most widely distributed organisms in the aquatic environment and, being susceptible to metal contamination, may reflect the extent of the biological effects of metal pollution in waters.  The effect of mercury chloride on protein and amino acid contents of brain and muscle of freshwater fish, Hypophthalmichthys molitrix has been studied. The fish were exposed to sublethal concentrations of mercury chloride 1/5th (high), 1/10th (medium) and 1/15th (low) of the 96 hour LC50 for the period of 10, 20 and 30 days. All the sublethal concentrations of mercury chloride exposed fish for the period of 10. 20 and 30 days showed decrease the protein and increase the amino acid content in brain and muscle of Hypophthalmichthys molitrix The significant alterations showed toxic effect of heavy metal mercury chloride at biochemical levels.

Keywords

Brain, Muscle, Mercury chloride, Protein, Aminoacids, Hypophthalmichthys molitrix.

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    © The Author(s) 2025. This article is published by International Journal of Zoology and Applied Biosciences under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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