Eugenol loaded chitosan nanoemulsion for food protection and inhibition of Aflatoxin B 1 synthesizing genes based on molecular docking

The present investigation entails the fabrication and characterization of nanometric emulsion of eugenol (Nm-eugenol) encompassed into chitosan for assessing bio-efficacy in terms of in vitro antifungal actions, antiaflatoxigenic potential, and in situ preservative efficacy against Aspergillus flavu...

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Veröffentlicht in:Carbohydrate polymers 2021-03, Vol.255, p.117339
Hauptverfasser: Das, Somenath, Singh, Vipin Kumar, Dwivedy, Abhishek Kumar, Chaudhari, Anand Kumar, Deepika, Dubey, Nawal Kishore
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container_end_page
container_issue
container_start_page 117339
container_title Carbohydrate polymers
container_volume 255
creator Das, Somenath
Singh, Vipin Kumar
Dwivedy, Abhishek Kumar
Chaudhari, Anand Kumar
Deepika
Dubey, Nawal Kishore
description The present investigation entails the fabrication and characterization of nanometric emulsion of eugenol (Nm-eugenol) encompassed into chitosan for assessing bio-efficacy in terms of in vitro antifungal actions, antiaflatoxigenic potential, and in situ preservative efficacy against Aspergillus flavus infestation and aflatoxin B (AFB ) mediated loss of dietary minerals, lipid triglycerides and alterations in composition of important macronutrients in stored rice. Nm-eugenol characterized by SEM, XRD, and FTIR exhibited biphasic burst release of eugenol. Reduction in ergosterol and methylglyoxal (AFB -inducer) content after Nm-eugenol fumigation depicted biochemical mechanism of antifungal and antiaflatoxigenic activities. In silico 3D homology docking of eugenol with Ver-1 gene validated molecular mechanism of AFB inhibition. Further, significant protection of rice seeds from fungi, AFB contamination and preservation against loss of rice minerals, macronutrients and lipids during storage suggested deployment of chitosan as a biocompatible wall material for eugenol encapsulation and application as novel green preservative for food protection.
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Nm-eugenol characterized by SEM, XRD, and FTIR exhibited biphasic burst release of eugenol. Reduction in ergosterol and methylglyoxal (AFB -inducer) content after Nm-eugenol fumigation depicted biochemical mechanism of antifungal and antiaflatoxigenic activities. In silico 3D homology docking of eugenol with Ver-1 gene validated molecular mechanism of AFB inhibition. 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subjects Aflatoxin B1 - antagonists & inhibitors
Aflatoxin B1 - chemistry
Aflatoxin B1 - metabolism
Aflatoxin B1 - toxicity
Anti-Infective Agents - metabolism
Anti-Infective Agents - pharmacology
Aspergillus flavus - drug effects
Aspergillus flavus - growth & development
Aspergillus flavus - metabolism
Binding Sites
Chitosan - chemistry
Drug Compounding - methods
Drug Liberation
Edible Grain
Emulsions
Ergosterol - antagonists & inhibitors
Ergosterol - metabolism
Eugenol - metabolism
Eugenol - pharmacology
Food Preservation - methods
Fungal Proteins - antagonists & inhibitors
Fungal Proteins - chemistry
Fungal Proteins - metabolism
Humans
Kinetics
Molecular Docking Simulation
Nanostructures - chemistry
Nanostructures - ultrastructure
Nutrients - analysis
Oryza - drug effects
Oryza - microbiology
Protein Binding
Protein Conformation, alpha-Helical
Protein Conformation, beta-Strand
Pyruvaldehyde - antagonists & inhibitors
Pyruvaldehyde - metabolism
Triglycerides - analysis
title Eugenol loaded chitosan nanoemulsion for food protection and inhibition of Aflatoxin B 1 synthesizing genes based on molecular docking
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