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GC-MS characterization of Polygonatum geminiflorum depicted by antibacterial efficacy of the biosynthesized silver nanoparticles using its leaf extract

Thematic area: 
Water and wastewater
 
Paper Topic: 
Environmental Toxicology and Biogeochemistry of Ecosystems
 

Pages :
-

Corresponing Author: 
Iftikhar Ali
 
Authors: 
Ahmad M. Ali A. Ali MA. Farah MA. Ullah Z. Ali H. Sher H. Eldin SM. Zaman S. Ali I.
Paper ID: 
gnest_05495
Paper Status: 
Proof
Date Paper Accepted: 
26-11-2023
Paper online: 
13/01/2024
Visual abstract: 
Abstract: 

The biological synthesis of nanomaterials is drawing immense interest because of their non-hazardous nature and enormous antimicrobial application. In the present study, we explored Polygonatum geminiflorum Decne for phytochemical profiling and biosynthesis of silver nanoparticles to control soft rot/blackleg and bacterial wilt pathogens of potato through in vitro experiment. Phytochemical screening indicated the presence of important secondary chemicals including tannins, glycosides, flavonoids and terpenoids, while, gas chromatography-mass spectrophotometry (GC-MS) study of leaf extract showed the presence of 30 phytochemicals, the most prominent among which included ç-Sitosterol and n-Hexadecanoic acid. The GC–MS qualitative analysis also supported the presence of bioactive compounds responsible for metal reduction processes and synthesized nanoparticles stabilization. In vitro study showed that concentration of 100µg/mL of AgNPs and AgNPs-PE efficiently control both Erwinia carotovora and Ralstonia solanacearum. The outcomes have provided an improved protocol to use prepared AgNPs against the tested pathogens without health hazards.

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