BIOADSORBENT POTENTIAL OF CHITOSAN FROM PORTUNUS SANGUINOLENTUS AND FENNEROPENAEUS INDICUS SHELLS FOR PROTEIN AND HEAVY METAL REMOVAL

  • V. Ratna Bharathi Senior Lecturer, Department of Zoology, Govt. Degree College Chodavaram, Anakapalli District, Andhra Pradesh, India
  • J. Laxmi Mangamma Senior Lecturer, Department of Chemistry, Govt. Degree College, Chodavaram, Anakapalli District, Andhra Pradesh, India
  • B. Sandhya Sri Lecturer, Department of Botany, Govt. Degree College, Chodavaram, Anakapalli District, Andhra Pradesh, India

Abstract

Industrialisation causes a tremendous amount of water pollution, especially from the addition of heavy metals and organic pollutants to aquatic ecosystems. The present study is focused on the extraction and characterization of chitosan from the shell waste of two marine species, Portunus sanguinolentus and Fenneropenaeus indicus. The effectiveness of this chitosan as bioadsorbents for the removal of proteins and heavy metals from the industrial wastewater was also evaluated. Chitosan was extracted by chemical treatments and characterized for yield, moisture, ash content, solubility, viscosity, degree of deacetylation and water and fat binding capacities. The results showed that the chitosan content was higher in F. indicus shells, while the chitosan from P. sanguinolentus showed higher solubility and water binding capacity. The protein flocculation and heavy metal chelation assays proved that chitosan obtained from both species has significant flocculants and chelating properties with higher efficiency in protein flocculation and metal adsorption for chitosan obtained from F. indicus especially for Zn and Fe ions. The findings emphasize the possibility of utilizing shell waste derived chitosan as an inexpensive, environmentally friendly, and efficient approach for the remediation of industrial effluents, promoting the advancement of sustainable and environmentally sound wastewater treatment solutions.

Keywords: Portunus sanguinolentus, Fenneropenaeus indicus, Chitosan, Bioadsorption, Heavy metals, Protein flocculation

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How to Cite
V, R. B., J, L. M., & B, S. S. (2026). BIOADSORBENT POTENTIAL OF CHITOSAN FROM PORTUNUS SANGUINOLENTUS AND FENNEROPENAEUS INDICUS SHELLS FOR PROTEIN AND HEAVY METAL REMOVAL. Journal of Integral Sciences, 9(1), 43-50. https://doi.org/10.37022/jis.v9i1.146
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Research Article(s)