Green synthesis of silver nanoparticles from the extract of the inflorescence of Cocos nucifera (Family: Arecaceae) for enhanced antibacterial activity

R. Mariselvam, A. J.A. Ranjitsingh*, A. Usha Raja Nanthini, K. Kalirajan, C. Padmalatha, P. Mosae Selvakumar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

215 Citations (Scopus)

Abstract

Green synthesis of nanoparticles using plant source has been given much importance. In the present study, silver nanoparticles (AgNPs) were synthesized using the ethyl acetate and methanol (EA: M 40:60) extracts of the inflorescence of the tree Cocous nucifera. The synthesized nanoparticles were characterized by UV-visible spectroscope, FTIR and TEM analysis. The particle size of the synthesized AgNPs was 22 nm as confirmed by TEM. The qualitative assessment of reducing potential of the extracts of inflorescence indicated the presence of reducing agents. Synthesized AgNPs exhibited significant antimicrobial activity against human bacterial pathogens viz., Klebsiella pneumoniae, Bacillus subtilis, Pseudomonas aeruginosa and Salmonella paratyphi.

Original languageEnglish
Pages (from-to)537-541
Number of pages5
JournalSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume129
DOIs
Publication statusPublished - 14 Aug 2014
Externally publishedYes

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