Evaluation and utilization of lemongrass oil nanoemulsion for disinfection of documentary heritage based on parchment

Saada, Nagah S.; Abdel-Maksoud, Gomaa; El-Aziz, M.S. Abd; Youssef, Ahmed M.

doi:10.1016/j.bcab.2020.101839

Cited by 23 publications

(16 citation statements)

References 46 publications

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“…investigated the lemongrass essential oil for antibacterial efficacy against four different bacterial strains in its ordinary and nano-form. A low-energy emulsification technique was used to form an oil nanoemulsion 32 . S. Aswathy Aromal and Daizy Philip fabricated Au nanoparticles utilizing an aqueous extract of Trigonella foenum - graecum through green synthesis intended to reduce 4-nitrophenol to 4-aminophenol by surplus NaBH 4 33 .…”

Section: Introductionmentioning

confidence: 99%

Exploring phytochemical composition, photocatalytic, antibacterial, and antifungal efficacies of Au NPs supported by Cymbopogon flexuosus essential oil

Pathania

Sharma

Thakur

et al. 2022

Sci Rep

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Biofabrication of gold nanoparticles (AuNPs) using the aromatic essential oils is highlighted due to its simple, economical, low toxicity, and eco-friendly nature. Essential oil of Cymbopogon flexuosus (CF), an economically valuable medicinal plant, exhibits anti-inflammatory, anti-tumor, antioxidant, and antimicrobial activities. For the first time, this research accounts for the biosynthesis, physicochemical, photocatalytic, antifungal, antibacterial properties of biogenic AuNPs, fabricated using CF essential oil collected from different altitudes (S1-Palampur, S2-Haryana, S3-Dehradun). The altitudinal disparity in the phytochemical composition of essential oils is highlighted. The average crystallite size ranged from 10 to 32 nm and was influenced by CF samples used in the synthesis. The spectroscopic outcomes revealed the involvement of bioactive reagents from CF essential oil in the fabrication and stabilization of AuNPs. The fabricated AuNPs exhibited excellent antimicrobial activities against all tested strains (Staphyloccucs aureus, Escherichia coli, Fusarium oxysporum), showing their efficacy as an antimicrobial agent to treat infectious diseases. Moreover, AuNPs exhibited excellent photocatalytic efficacy of around 91.8% for the degradation of methylene blue under exposure of direct sunlight for 3 h without the assistance of an external reducing agent. The outcomes highlight a potential economic and environmentally friendly strategy to fabricate biogenic AuNPs for diversified industrial applications where antimicrobial and photocatalytic efficacies are the key requirements.

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Section: Introductionmentioning

confidence: 99%

Exploring phytochemical composition, photocatalytic, antibacterial, and antifungal efficacies of Au NPs supported by Cymbopogon flexuosus essential oil

Pathania

Sharma

Thakur

et al. 2022

Sci Rep

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“…110 Review (Streptomyces albidoflavus). 112 Consequently, it is our opinion that micro-and nanoencapsulated antimicrobial agents will be ever more present in future publications.…”

Section: Other Nanomaterialsmentioning

confidence: 98%

Perspectives for antimicrobial nanomaterials in cultural heritage conservation

Franco‐Castillo

Hierro

Fuente

et al. 2021

Chem

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The biodeterioration of artistic and architectural heritage represents a serious and recurring problem for museums, local authorities, and private collectors alike, where irreparable damage to unique artifacts can result in immeasurable losses to our shared cultural heritage. Here, we present an overview of the current trends in antimicrobial products used to protect heritage items from microbial colonization and prevent their deterioration. From a conservation-restoration standpoint, we contrast and compare traditional antimicrobial products with the state of the art in antimicrobial nanomaterials applied in the heritage conservation field, highlighting the promising potential of various different nanomaterials, as well as points of concern and clear red flags from some of the emerging research. Through an examination of the growing body of research in the academic literature we offer recommendations and practical advice on selecting appropriate microbiological assays and characterization techniques to better evaluate the in vitro and in situ antimicrobial properties of nanomaterials.

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“…Lemongrass oil contains terpenoid, citral, and limonene which are majorly responsible for the antimicrobial activity against a broad range of pathogens. 45 3.4. Quantitative Analysis of the Encapsulation of Silver Nanoparticles in the Nanocomposite.…”

Section: Characterization Of the Nanocompositementioning

confidence: 99%

“…60,61 The presence of phenolic compounds in lemongrass essential oil makes it an excellent antimicrobial agent against pathogens. 45,19 Likewise, citrate stabilized AgNPs were earlier reported as good antimicrobial agents against Gram-negative and -positive bacteria. 30 The murine wall of Gram-negative bacteria is thin, and silver particles in the nanometer range easily absorb onto the cell, leading to an increase in cell wall permeability which ultimately causes cell death.…”

Section: Characterization Of the Nanocompositementioning

confidence: 99%

Development of a Lemongrass/Silver Nanocomposite for Controlling a Foodborne Pathogen - Escherichia coli

Pandey

Sharma

Gundabala

2022

ACS Food Sci. Technol.

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In the current study, we synthesized a nanocomposite, comprising of silver nanoparticles encapsulated into the lemongrass nanoemulsion, that has effective antibacterial activity against the foodborne pathogen Escherichia coli (pathogenic MTCC 443). The synthesis procedure consisted of using a high-energy sonication process for the lemongrass nanoemulsion (LNE) and a microwave-assisted method for silver nanoparticles (AgNPs). Thereafter, two nanocomposites, viz., NC1 and NC2, were synthesized by encapsulating different concentrations of AgNPs, 5% and 10%, in the LNE, respectively. Dynamic light scattering (DLS) measurements show an increase in the size of NC1 and NC2 relative to the LNE after encapsulation of silver nanoparticles. Encapsulation was further confirmed by Fourier transform infrared (FT-IR) spectroscopy and thermogravimetric analysis (TGA) and quantified using inductively coupled plasma atomic emission spectroscopy (ICP-AES). Antimicrobial studies revealed that, of the two nanocomposites, NC1 was the most efficient antimicrobial agent to kill E. coli with a minimum inhibitory concentration of 0.75%. The DPPH study also confirms the higher antioxidant activity of NC1. Further, atomic force microscopy (AFM) illustrated that the nanocomposite caused membrane damage which in turn leads to cell lysis. Thus, the current work identifies the LNE-AgNP nanocomposite as a suitable active material for food packaging, that could enhance the shelf life of foodstuffs in a sustainable manner.

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Evaluation and utilization of lemongrass oil nanoemulsion for disinfection of documentary heritage based on parchment

Cited by 23 publications

References 46 publications

Exploring phytochemical composition, photocatalytic, antibacterial, and antifungal efficacies of Au NPs supported by Cymbopogon flexuosus essential oil

Exploring phytochemical composition, photocatalytic, antibacterial, and antifungal efficacies of Au NPs supported by Cymbopogon flexuosus essential oil

Perspectives for antimicrobial nanomaterials in cultural heritage conservation

Development of a Lemongrass/Silver Nanocomposite for Controlling a Foodborne Pathogen - Escherichia coli

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