Indian Journal of Animal Research
SCOPUSWeb of Science
  • Year: 2026
  • Volume: 59
  • Issue: SPL

Pomegranate Rind-assisted Green Synthesis of ZnO Nanoparticles: Characterization, Antioxidant Activity and Antibacterial Potential against Bacterial Fish Disease

  • Author:
  • Prathisha Rajamani1*, Chrisolite Bagthasingh1*, Sivasankar Panchavarnam1, V. Rani2, Rajendran Shalini3, K.S. Vijay Amirtharaj4, Evangelin Paripoorana David1
  • Total Page Count: 8
  • Page Number: 95 to 102

1Department of Fish Pathology and Health Management, Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Thoothukudi-628 008, Tamil Nadu, India.

2Dr. M.G.R. Fisheries College and Research Institute, Thalainayeru-614 712, Tamil Nadu, India.

3Department of Fish Quality Assurance and Management, Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Thoothukudi-628 008, Tamil Nadu, India.

4Kanyakumari Ganapathipuram Centre for Sustainable Aquaculture, Directorate of Sustainable Aquaculture, Ganapathipuram-629 502, Kanyakumari, Tamil Nadu, India.

*Corresponding Author: Prathisha Rajamani, Chrisolite Bagthasingh; Department of Fish Pathology and Health Management, Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Thoothukudi-628 008, Tamil Nadu, India. Email: prathisha0309@gmail.com; chrisolite@tnfu.ac.in

Abstract

Nanoparticles have gained attention in animal health for their applications as feed additives, antimicrobials, vaccine adjuvants and immunostimulants. This study aims to explore their potential as an eco-friendly alternative to conventional antibiotics in aquaculture.

In this study, zinc oxide nanoparticles were synthesized from pomegranate rind (P-ZnO NPs), characterized using UV-Visible spectroscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Field Emission Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (FESEM-EDS) and their antibacterial and antioxidant activities were evaluated by well diffusion and 2, 2-diphenyl-1-picrylhydrazyl (DPPH) assays.

P-ZnO NPs exhibited a spherical morphology with an average size of 84.15 nm, strong antioxidant activity (IC50 = 98.48±0.89 μg/mL) and significant antibacterial effects against Photobacterium damselae subsp. damselae (MIC = 6.25 μg/mL), P. damselae subsp. piscicida and Aeromonas hydrophila (MIC = 3.12 μg/mL). These results highlight pomegranate rind mediated ZnO nanoparticles as a green and effective approach for controlling major aquaculture pathogens.

Keywords

Antibacterial, Antioxidant, Green synthesis, Nanoparticles, Zinc oxide