Issue |
BIO Web Conf.
Volume 183, 2025
International Conference on Life Sciences and Technology (ICoLiST 2024)
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Article Number | 01004 | |
Number of page(s) | 9 | |
DOI | https://doi.org/10.1051/bioconf/202518301004 | |
Published online | 09 July 2025 |
Green Route Synthesis of Silver Nanoparticles Mediated by Cassia alata Leaf and Zingiber officinale Extracts as Excellent Antibacterial Agents
1 SMA Unggulan HAF-SA BPPT Genggong, Pesantren Zainul Hasan Genggong, Probolinggo 67281, Indonesia
2 Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Malang 65145, Indonesia
* Corresponding author: ahmad.taufiq.fmipa@um.ac.id
This research explores the green route synthesis in producing silver nanoparticles (Ag NPs) mediated by Cassia alata leaf and Zingiber officinale extracts using the maceration method as bioreductor agents. Furthermore, this study also investigates the potential antibacterial application of the Ag NPs against bacteria Staphylococcus aureus. The particle size of Ag NPs derived from Cassia alata leaf extract was around 42.5 ± 0.3 nm, smaller than those from Zingiber officinale extract with a value of 44.4 ± 0.6 nm. In addition, Fourier-transform infrared spectroscopy data analysis revealed that the OH, C=O, and CH phenolic groups were involved in reducing Ag+ to Ag0. Meanwhile, the results of antibacterial activity showed that Ag NPs synthesized using Cassia alata leaf extract offered more excellent antibacterial activity than those from the Zingiber officinale extract. The inhibition zone diameter of the Ag NPs synthesized using Cassia alata leaf extract was 14.5 ± 2.2 mm. In comparison, the Ag NPs synthesized from the Zingiber officinale extract had an inhibition zone diameter of 10.5 ± 0.9 mm. Therefore, the results of this work support the development of environmentally friendly nanotechnology-based antibacterial therapy.
© The Authors, published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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