Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.

<i>Couroupita guianensis</i> Aubl. is an important medicinal tree. This tree is rich in various phytochemicals, and is therefore used as a potent antioxidant and antibacterial agent. This plant is also used for the treatment of various diseases. Here, we have improved its medicinal usage...

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Autores principales:	Reetika Singh, Christophe Hano, Francesco Tavanti, Bechan Sharma
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	nanoparticles silver nanoparticles antioxidant capacity antimicrobial potential green synthesis <i>Couroupita guianensis</i> Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/565055cddae542d4a5b982e70b9db269
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spelling	oai:doaj.org-article:565055cddae542d4a5b982e70b9db2692021-11-25T18:14:08ZBiogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.10.3390/ma142268541996-1944https://doaj.org/article/565055cddae542d4a5b982e70b9db2692021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6854https://doaj.org/toc/1996-1944<i>Couroupita guianensis</i> Aubl. is an important medicinal tree. This tree is rich in various phytochemicals, and is therefore used as a potent antioxidant and antibacterial agent. This plant is also used for the treatment of various diseases. Here, we have improved its medicinal usage with the biosynthesis of silver nanoparticles (AgNPs) using <i>Couroupita guianensis</i> Aubl. flower extract as a reducing and capping agent. The biosynthesis of the AgNPs reaction was carried out using 1 mM of silver nitrate and flower extract. The effect of the temperature on the biosynthesis of AgNPs was premeditated by room temperature (25 °C) and 60 °C. The continuous stirring of the reaction mixture at room temperature for approximately one hour resulted in the successful formation of AgNPs. A development of a yellowish brown color confirmed the formation of AgNPs. The efficacious development of AgNPs was confirmed by the characteristic peaks of UV–Vis, X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopy spectra. The biosynthesized AgNPs exhibited significant free radical scavenging activity through a DPPH antioxidant assay. These AgNPs also showed potent antibacterial activity against many pathogenic bacterial species. The results of molecular dynamics simulations also proved the average size of NPs and antibacterial potential of the flower extract. The observations clearly recommended that the green biosynthesized AgNPs can serve as effective antioxidants and antibacterial agents over the plant extract.Reetika SinghChristophe HanoFrancesco TavantiBechan SharmaMDPI AGarticlenanoparticlessilver nanoparticlesantioxidant capacityantimicrobial potentialgreen synthesis<i>Couroupita guianensis</i>TechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6854, p 6854 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	nanoparticles silver nanoparticles antioxidant capacity antimicrobial potential green synthesis <i>Couroupita guianensis</i> Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	nanoparticles silver nanoparticles antioxidant capacity antimicrobial potential green synthesis <i>Couroupita guianensis</i> Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Reetika Singh Christophe Hano Francesco Tavanti Bechan Sharma Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.
description	<i>Couroupita guianensis</i> Aubl. is an important medicinal tree. This tree is rich in various phytochemicals, and is therefore used as a potent antioxidant and antibacterial agent. This plant is also used for the treatment of various diseases. Here, we have improved its medicinal usage with the biosynthesis of silver nanoparticles (AgNPs) using <i>Couroupita guianensis</i> Aubl. flower extract as a reducing and capping agent. The biosynthesis of the AgNPs reaction was carried out using 1 mM of silver nitrate and flower extract. The effect of the temperature on the biosynthesis of AgNPs was premeditated by room temperature (25 °C) and 60 °C. The continuous stirring of the reaction mixture at room temperature for approximately one hour resulted in the successful formation of AgNPs. A development of a yellowish brown color confirmed the formation of AgNPs. The efficacious development of AgNPs was confirmed by the characteristic peaks of UV–Vis, X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopy spectra. The biosynthesized AgNPs exhibited significant free radical scavenging activity through a DPPH antioxidant assay. These AgNPs also showed potent antibacterial activity against many pathogenic bacterial species. The results of molecular dynamics simulations also proved the average size of NPs and antibacterial potential of the flower extract. The observations clearly recommended that the green biosynthesized AgNPs can serve as effective antioxidants and antibacterial agents over the plant extract.
format	article
author	Reetika Singh Christophe Hano Francesco Tavanti Bechan Sharma
author_facet	Reetika Singh Christophe Hano Francesco Tavanti Bechan Sharma
author_sort	Reetika Singh
title	Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.
title_short	Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.
title_full	Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.
title_fullStr	Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.
title_full_unstemmed	Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.
title_sort	biogenic synthesis and characterization of antioxidant and antimicrobial silver nanoparticles using flower extract of <i>couroupita guianensis</i> aubl.
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/565055cddae542d4a5b982e70b9db269
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Biogenic Synthesis and Characterization of Antioxidant and Antimicrobial Silver Nanoparticles Using Flower Extract of <i>Couroupita guianensis</i> Aubl.

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