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BioNanoScience

, Volume 9, Issue 3, pp 597–602 | Cite as

Antifungal and Antibacterial Assay by Silver Nanoparticles Synthesized from Aqueous Leaf Extract of Trigonella foenum-graecum

  • Azhar U. Khan
  • Masudulla Khan
  • Mohammad Mansoob KhanEmail author
Article

Abstract

This paper reports a safe, simple, green, nontoxic, and environment-friendly approach for the synthesis of silver nanoparticles (AgNPs) using aqueous leaf extract of Trigonella foenum-graecum at room temperature. The aqueous leaf extract was capable to act as a reducing, capping, and stabilizing agent. UV-visible spectroscopic, Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscope (SEM), and transmission electron microscopy (TEM) techniques were used to characterize the synthesized AgNPs. The synthesized AgNPs were found to be stable, face-centered cubic, crystalline, and spherical and in the range of 20–25 nm. The antimicrobial activities of the synthesized AgNPs were investigated against plant pathogenic fungi Alternaria alternata and plant pathogenic bacteria Pseudomonas syringae. The assay results showed that A. alternata and P. syringae were inhibited at the 100 ppm of AgNPs in the respective medium. Antifungal assay shows the disruption of fungal mycelium at various places. Similarly, antibacterial assay shows the inhibition zones. These results confirmed that this protocol is a green, environment-friendly, and nontoxic method for the synthesis of AgNPs. Assay results confirmed that the synthesized AgNPs can be used as an effective growth inhibitor for various pathogenic microorganisms and applicable to control microbial systems.

Keywords

Silver nanoparticles AgNPs Trigonella foenum-graecum P. syringae A. alternata Antimicrobial activity Antifungal activity Antibacterial activity 

Notes

Acknowledgments

M. M. Khan would like to thanks the Chemical Sciences, Faculty of Science, University Brunei Darussalam, Brunei Darussalam for the support to complete this review article. A. U. Khan would like to thanks to Dr. Sandeep Bakshi, Chancellor of Jaipur National University, Jaipur 302 017, India for providing the research facilities.

Compliance with Ethical Standards

Conflict of Interest

None.

Research Involving Humans and Animals Statement

None.

Informed Consent

None.

Funding Statement

None.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Basic Sciences, Department of ChemistryJaipur National UniversityJaipurIndia
  2. 2.Department of BotanyAligarh Muslim UniversityAligarhIndia
  3. 3.Chemical Sciences, Faculty of ScienceUniversiti Brunei DarussalamGadong,Brunei Darussalam

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