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Extraction, characterization, and therapeutic potential of Omega-3 fatty acids from Belone belone skin

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Abstract

This study provides the fatty acid profile, presence of Omega 3 fatty acids (ω3FAs) and therapeutic potential of the skin of Garfish (Belone belone), a highly nutritious fish. The ω3FAs were obtained using the urea crystallization method and confirmed by UV VIS spectroscopy, HPLC, FT-IR, and NMR. Additionally, the therapeutic potential of the ω3FAs was assessed through antioxidant, antimicrobial, antibiofilm, and toxicity assays. The oil extracted from Garfish skin (GS) predominantly contains ω3FAs, palmitic acids, and oleic acids. The ω3FAs exhibit high anti-free radical activity and ferric reducing activity. It reduces nitric oxide production as well as lipid peroxidation under certain time. They also demonstrate effective antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus and Streptococcus pneumoniae. The biofilm formation is efficiently reduced by ω3FAs and eradication effects on biofilm are higher at 4000 µg/mL of concentration. When tested against brine shrimp larvae, ω3FAs were found to be non-toxic. The study indicates that GS skin oil contains a significant amount of omega-3 fatty acids and has potential therapeutic benefits due to its antioxidant and antibacterial properties, without causing any toxic effects. Omega-3 fatty acids have the potential to enhance the treatment of infections caused by harmful bacteria and their biofilm formation. Further research is needed to understand how omega-3 fatty acids work to kill bacteria and how they affect bacterial gene expression.

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Data availability

The datasets used/analyzed during the current study are available from the corresponding author on reasonable request.

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Funding

This study was supported by CSIR-HRDG (Council of Scientific & Industrial Research – Human Resource Development Group) as a part of Junior Research Fellowship (Award No. 09/688(0032)/2020-EMR-I).

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Contributions

NRD conceptualized the research, performed experiments and analysis, and prepared the original draft. SK, MS, and SP contributed to writing the review, editing, and formal analysis. SP validated the data, participated in visualization, and provided supervision. All authors have read and approved the final manuscript.

Corresponding author

Correspondence to Srinivasan Pappu.

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The authors declare that they have no potential conflict of interest in relation to the study in this paper.

Ethical approval

Ethical approval and informed consent were not required for this study as there was no involvement of human participation or animals.

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Devi, N.R., Khandelwal, S., Subramaniyan, M. et al. Extraction, characterization, and therapeutic potential of Omega-3 fatty acids from Belone belone skin. 3 Biotech 14, 42 (2024). https://doi.org/10.1007/s13205-023-03885-5

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  • DOI: https://doi.org/10.1007/s13205-023-03885-5

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