Volume 16, Issue 10 (2-2018)
JRUMS 2018, 16(10): 953-968 |
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Emrani S, Zhiani R, Dafe Jafari M. The Biosynthesis of Silver Nanoparticles Using Plants of Glycyrrhiza glabra and Mentha Piperata and Its Antimicrobial Effect on Some Bacterias That Cause Tooth Decay. JRUMS 2018; 16 (10) :953-968
URL: http://journal.rums.ac.ir/article-1-3741-en.html
URL: http://journal.rums.ac.ir/article-1-3741-en.html
Islamic Azad University
Keywords: Biosynthesis, Silver nanoparticles, Minimum inhibitory concentration, Minimum bactericidal concentration
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The Biosynthesis of Silver Nanoparticles Using Plants of Glycyrrhiza glabra and Mentha Piperata and Its Antimicrobial Effect on Some Bacterias That Cause Tooth Decay
Sh. Emrani[1], R. Zhiani[2], M. Dafe Jafari[3]
Received: 03/05/2017 Sent for Revision: 09/07/2017 Received Revised Manuscript: 30/12/2017 Accepted: 31/12/2017
Background and Objectives: Considering the alarming spread of resistance to classic antimicrobial agents, innovative therapeutic approaches to combat antibiotic-resistant pathogens, like the compounds derived from plants and nanoparticles, seems necessary. This study was conducted to investigate the antibacterial effect of biosynthetic silver nanoparticles using Glycyrrhiza glabra and Mentha piperata plants on some tooth decay bacteria.
Materials and Methods: This descriptive study was carried out in the Chemistry and Microbiology Laboratories of the Basic Sciences Faculty of Neishabour Islamic Azad University, in 2016. Silver nanoparticles were produced in biological method using aqueous extracts of Glycyrrhiza glabra and Mentha piperata. Nanoparticles were studied by using spectrometry techniques and Scanning Electron Microscopy (SEM). To predict the antibacterial effect of nanoparticles, from each of the extracts at 3.12, 6.25, 12.5, 25, 50, 100, and 200 μg/ml concentrations, 100 μL was used for broth micro dilution test . Comparison of the mean results of two types of nanoparticles was done using One-way ANOVA statistical test.
Results: UV-Vis spectroscopy analysis and the peak at 430 nm indicated the biosynthesis of the nanoparticles in the extract, and the photo of SEM determined the shape of the nanoparticles spherical and the average size was set at about 55 nm. In reviewing the antimicrobial effect of biosynthesis of silver nanoparticles, the nanoparticles had a good antibacterial activity against the bacteria under study. MIC (Minimum Inhibitory Concentration) values for biosynthetic nanoparticles with Glycyrrhiza glabra extract against Streptococcus mutans, Actinomyces viscosus ,and Lactobacillus rhamnosus were 1.6, 6.25 ,and 50 μg / ml (p≤0.05), and MIC for biosynthetic nanoparticles with Mentha piperata extract against these bacteria were determined to be 12.5, 12.5 ,and 200 μg / ml, respectively (p≤0.05)
Conclusion: Due to their antioxidant properties and many secondary compounds, the plants extracts play the role of regeneration and stabilization of nanoparticles. In this study, silver nanoparticles were synthesized well with the aqueous extracts of Glycyrrhiza glabra and Mentha piperata plants, and the synthesized nanoparticles showed a good antibacterial activity against the bacteria that contributed to the decay of the tooth.
Key words: Biosynthesis, Silver nanoparticles, Minimum inhibitory concentration, Minimum bactericidal concentration
Funding: This study was funded by Neyshabur Azad University.
Conflict of interest: None declared.
Ethical approval: The Ethical Committee of Neyshabur Azad Universityapproved the study.
How to cite this article: Emrani Sh , Zhiani R, Dafe Jafari M. The Biosynthesis of Silver Nanoparticles Using Plants of Glycyrrhiza glabra and Mentha piperata and Its Antimicrobial Effect on Some Bacteria That Cause Tooth Decay. J Rafsanjan Univ Med Sci 2018; 16(10): 953-68. [Farsi]
[1]- PhD Student of Analytical Chemistry, Young Researchers and Elites Club, Faculty of Chemistry , Neyshabur Islamic Azad University, Neyshabur, Iran
Sh. Emrani[1], R. Zhiani[2], M. Dafe Jafari[3]
Received: 03/05/2017 Sent for Revision: 09/07/2017 Received Revised Manuscript: 30/12/2017 Accepted: 31/12/2017
Background and Objectives: Considering the alarming spread of resistance to classic antimicrobial agents, innovative therapeutic approaches to combat antibiotic-resistant pathogens, like the compounds derived from plants and nanoparticles, seems necessary. This study was conducted to investigate the antibacterial effect of biosynthetic silver nanoparticles using Glycyrrhiza glabra and Mentha piperata plants on some tooth decay bacteria.
Materials and Methods: This descriptive study was carried out in the Chemistry and Microbiology Laboratories of the Basic Sciences Faculty of Neishabour Islamic Azad University, in 2016. Silver nanoparticles were produced in biological method using aqueous extracts of Glycyrrhiza glabra and Mentha piperata. Nanoparticles were studied by using spectrometry techniques and Scanning Electron Microscopy (SEM). To predict the antibacterial effect of nanoparticles, from each of the extracts at 3.12, 6.25, 12.5, 25, 50, 100, and 200 μg/ml concentrations, 100 μL was used for broth micro dilution test . Comparison of the mean results of two types of nanoparticles was done using One-way ANOVA statistical test.
Results: UV-Vis spectroscopy analysis and the peak at 430 nm indicated the biosynthesis of the nanoparticles in the extract, and the photo of SEM determined the shape of the nanoparticles spherical and the average size was set at about 55 nm. In reviewing the antimicrobial effect of biosynthesis of silver nanoparticles, the nanoparticles had a good antibacterial activity against the bacteria under study. MIC (Minimum Inhibitory Concentration) values for biosynthetic nanoparticles with Glycyrrhiza glabra extract against Streptococcus mutans, Actinomyces viscosus ,and Lactobacillus rhamnosus were 1.6, 6.25 ,and 50 μg / ml (p≤0.05), and MIC for biosynthetic nanoparticles with Mentha piperata extract against these bacteria were determined to be 12.5, 12.5 ,and 200 μg / ml, respectively (p≤0.05)
Conclusion: Due to their antioxidant properties and many secondary compounds, the plants extracts play the role of regeneration and stabilization of nanoparticles. In this study, silver nanoparticles were synthesized well with the aqueous extracts of Glycyrrhiza glabra and Mentha piperata plants, and the synthesized nanoparticles showed a good antibacterial activity against the bacteria that contributed to the decay of the tooth.
Key words: Biosynthesis, Silver nanoparticles, Minimum inhibitory concentration, Minimum bactericidal concentration
Funding: This study was funded by Neyshabur Azad University.
Conflict of interest: None declared.
Ethical approval: The Ethical Committee of Neyshabur Azad Universityapproved the study.
How to cite this article: Emrani Sh , Zhiani R, Dafe Jafari M. The Biosynthesis of Silver Nanoparticles Using Plants of Glycyrrhiza glabra and Mentha piperata and Its Antimicrobial Effect on Some Bacteria That Cause Tooth Decay. J Rafsanjan Univ Med Sci 2018; 16(10): 953-68. [Farsi]
[2]- Associate Prof., Department of Chemistry, Young Researchers and Elites Club ,Faculty of Chemistry, Neyshabur Islamic Azad University ,Neyshabur, Iran
(Corresponding Author)Tel:(051)42233472,09155020845, Fax: (051) 42615472, E-mail: r_zhiani2006@ yahoo.com.
(Corresponding Author)Tel:(051)42233472,09155020845, Fax: (051) 42615472, E-mail: r_zhiani2006@ yahoo.com.
[3]- MSc, Chemical Engineering, Faculty of Chemistry, Neyshabur Islamic Azad University, Neyshabur, Iran
Type of Study: Research |
Subject:
Microbiology
Received: 2017/03/18 | Accepted: 2018/01/23 | Published: 2018/02/18
Received: 2017/03/18 | Accepted: 2018/01/23 | Published: 2018/02/18
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