Investigation of Antibacterial and Antifungal Efficacy of Zinc and Silver Nanoparticles Synthesized from Nasturtium officinale

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Ankara University

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Nanoparticles are nano-sized materials that can be widely used in fields such as medicine, pharmacology, and industry. The use of natural and easily available materials in nanoparticle synthesis is preferable for economic reasons. Plants are extremely suitable for the synthesis of nanoparticles due to their wide availability and the large number of components they contain with various properties. For this purpose, silver nanoparticles and zinc nanoparticles (AgNPs and ZnNPs), two different nanoparticles were synthesized from an edible plant, watercress (Nasturtium officinale). Scanning electron microscopy, scanning electron microscopy-energy dispersive X-ray, UV-VIS spectroscopy, X-ray diffraction (XRD), and fourier transform infrared spectrophotometer (FTIR) analyses of these nanoparticles were performed. In addition, the antimicrobial effects of these synthesized nanoparticles were determined using the disk diffusion method. The nanoparticles obtained from Nasturtium officinale were effective on Gram-negative bacteria (Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa), Gram-positive bacteria (Staphylococcus aureus, Streptococcus pyogenes), and fungi (Candida albicans). In particular, AgNPs with broad-spectrum antimicrobial activity were obtained from the watercress. While ZnNPs showed inhibition effects of 49% on K. pneumoniae, 51% on S. aureus, and 62% on C. albicans, AgNPs showed inhibition effects of 93% on P. aeruginosa, 87% on S. aureus, 81% on E. coli, 80% on C. albicans, 72% on K. pneumoniae, and 56% on S. pyogenes. The results show that Nasturtium officinale can be used effectively in the production of new biotechnological products, particularly ones with antimicrobial properties.


Anahtar Kelimeler

Antimicrobial activity, Biotechnological products, Green synthesis, Medicinal plants, Metallic nanoparticles


Journal of Agricultural Sciences

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ERCAN L (2023). Investigation of Antibacterial and Antifungal Efficacy of Zinc and Silver Nanoparticles Synthesized from Nasturtium officinale. Journal of Agricultural Sciences (Tarim Bilimleri Dergisi), 29(3):788-799. DOI: 10.15832/ankutbd.1163132