Biosynthesized zinc oxide nanoparticles from Sargassum muticum: characterization and biological assessment of anti-dermatophytic, antioxidant, and cytotoxic activities.

Bouchra Benhniya, Fatima Zahra Karmil, Fatima Lakhdar, Badr-Ddine El Mouns, Noreddine Rezzoum, Samira Etahiri

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Article in Applied biochemistry and biotechnology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Bouchra BenhniyaLaboratory of Marine Biotechnologies and Environment, Faculty of Sciences, Chouaib Doukkali University, BP 20, El Jadida, 24000, Morocco. benhniya.b@ucd.ac.ma.ORCID http://orcid.org/0000-0002-9037-5011

Fatima Zahra KarmilLaboratory of Physical Chemistry of Materials, Department of Chemistry, University Chouaïb Doukkali, P.O. Box 20, El Jadida, 24000, Morocco.

Fatima LakhdarLaboratory of Marine Biotechnologies and Environment, Faculty of Sciences, Chouaib Doukkali University, BP 20, El Jadida, 24000, Morocco.

Badr-Ddine El MounsLaboratory of Marine Biotechnologies and Environment, Faculty of Sciences, Chouaib Doukkali University, BP 20, El Jadida, 24000, Morocco.

Noreddine RezzoumLittoral Resources Survey Laboratory, National Institute of Fisheries Research, Casablanca, Morocco.

Samira EtahiriLaboratory of Marine Biotechnologies and Environment, Faculty of Sciences, Chouaib Doukkali University, BP 20, El Jadida, 24000, Morocco.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The valorization of invasive marine macroalgae represents a sustainable strategy for developing eco-friendly bioactive materials. In this study, zinc oxide nanoparticles (ZnSm-NPs) were green-synthesized using an aqueous extract (AE-Sm) of the invasive brown seaweed Sargassum muticum collected from the Moroccan Atlantic coast. The synthesized nanoparticles were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy (SEM-EDS), high-resolution transmission electron microscopy (HR-TEM), and selected area electron diffraction (SAED). The characterization analyses confirmed the successful formation of crystalline ZnO nanoparticles with a hexagonal wurtzite structure and predominantly spherical to rod-shaped morphology. The biological activities of ZnSm-NPs were then evaluated through anti-dermatophytic, antioxidant, and cytotoxicity assays. ZnSm-NPs exhibited potent anti-dermatophytic activity against Microsporum canis and Trichophyton rubrum, completely inhibiting mycelial growth under the tested conditions and showing minimum inhibitory concentrations (MICs) of 3.90 and 7.81 µg/mL, respectively. In addition, ZnSm-NPs displayed strong antioxidant activity, with IC

Indexed as

Anti-dermatophytic activityAntioxidant activityGreen nanotechnologyInvasive macroalgaeSargassum muticumZnO nanoparticles

Identifiers

PMID42635897

DOI10.1007/S13205-025-04312-7

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