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Communication

Green Biosynthesis of Silver Nanoparticles Using Leaf Extract of Carissa carandas L. and Their Antioxidant and Antimicrobial Activity against Human Pathogenic Bacteria

1
Department of Biochemistry, University of Allahabad, Allahabad 211002, India
2
Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), INRA USC1328, Université d’Orléans, Eure et Loir Campus, 21 rue de Loigny la Bataille, F-28000 Chartres, France
3
Bioactifs et Cosmétiques, Centre National de la Recherche Scientifique (CNRS)—Groupement de Recherche 3711, Université d’Orléans, 45067 Orléans CEDEX 2, France
4
Department of Microbiology, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
*
Authors to whom correspondence should be addressed.
Academic Editor: Joseph Erlichman
Biomolecules 2021, 11(2), 299; https://doi.org/10.3390/biom11020299
Received: 30 December 2020 / Revised: 15 February 2021 / Accepted: 16 February 2021 / Published: 17 February 2021
Carissa carandas L. is traditionally used as antibacterial medicine and accumulates many antioxidant phytochemicals. Here, we expand this traditional usage with the green biosynthesis of silver nanoparticles (AgNPs) achieved using a Carissa carandas L. leaf extract as a reducing and capping agent. The green synthesis of AgNPs reaction was carried out using 1mM silver nitrate and leaf extract. The effect of temperature on the synthesis of AgNPs was examined using room temperature (25 °C) and 60 °C. The silver nanoparticles were formed in one hour by stirring at room temperature. In this case, a yellowish brown colour was developed. The successful formation of silver nanoparticles was confirmed by UV–Vis, Fourier transform infrared (FT-IR) and X-ray diffraction (XRD) analysis. The characteristic peaks of the UV-vis spectrum and XRD confirmed the synthesis of AgNPs. The biosynthesised AgNPs showed potential antioxidant activity through DPPH assay. These AgNPs also exhibited potential antibacterial activity against human pathogenic bacteria. The results were compared with the antioxidant and antibacterial activities of the plant extract, and clearly suggest that the green biosynthesized AgNPs can constitute an effective antioxidant and antibacterial agent. View Full-Text
Keywords: green biosynthesis; nanoparticles; antioxidant; antibacterial; Carissa carandas L. green biosynthesis; nanoparticles; antioxidant; antibacterial; Carissa carandas L.
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MDPI and ACS Style

Singh, R.; Hano, C.; Nath, G.; Sharma, B. Green Biosynthesis of Silver Nanoparticles Using Leaf Extract of Carissa carandas L. and Their Antioxidant and Antimicrobial Activity against Human Pathogenic Bacteria. Biomolecules 2021, 11, 299. https://doi.org/10.3390/biom11020299

AMA Style

Singh R, Hano C, Nath G, Sharma B. Green Biosynthesis of Silver Nanoparticles Using Leaf Extract of Carissa carandas L. and Their Antioxidant and Antimicrobial Activity against Human Pathogenic Bacteria. Biomolecules. 2021; 11(2):299. https://doi.org/10.3390/biom11020299

Chicago/Turabian Style

Singh, Reetika, Christophe Hano, Gopal Nath, and Bechan Sharma. 2021. "Green Biosynthesis of Silver Nanoparticles Using Leaf Extract of Carissa carandas L. and Their Antioxidant and Antimicrobial Activity against Human Pathogenic Bacteria" Biomolecules 11, no. 2: 299. https://doi.org/10.3390/biom11020299

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