Antibacterial and antibiofilm activities of linalool nanoemulsions against Salmonella Typhimurium

Prakash, Anand; Vadivel, Vellingiri; Rubini, Durairajan; Nithyanand, Paramasivam

doi:10.1016/j.fbio.2019.01.018

Cited by 80 publications

(45 citation statements)

References 31 publications

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“…It can act as an antimicrobial agent against such pathogens as P. aeruginosa and B. subtilis [ 19 ]. Other compounds of fireweed, also observed in our research, such as linalool and eucalyptol, have strong antibacterial properties as well [ 19 , 39 , 40 ].…”

Section: Discussionmentioning

confidence: 65%

In Vitro Human Skin Penetration, Antioxidant and Antimicrobial Activity of Ethanol-Water Extract of Fireweed (Epilobium angustifolium L.)

et al. 2021

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Epilobium angustifolium L. is applied as an antiseptic agent in the treatment of skin diseases. However, there is a lack of information on human skin penetration of active ingredients with antioxidative potential. It seems crucial because bacterial infections of skin and subcutaneous tissue are common and partly depend on oxidative stress. Therefore, we evaluated in vitro human skin penetration of fireweed ethanol-water extracts (FEEs) by determining antioxidant activity of these extracts before and after penetration study using 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and Folin–Ciocalteu methods. Microbiological tests of extracts were done. The qualitative and quantitative evaluation was performed using gas chromatography-mass spectrometry (GC-MS) and high-performance liquid chromatography (HPLC-UV) methods. The in vitro human skin penetration using the Franz diffusion chamber was assessed. The high antioxidant activity of FEEs was found. Gallic acid (GA), chlorogenic acid (ChA), 3,4-dihydroxybenzoic acid (3,4-DHB), 4-hydroxybenzoic acid (4-HB), and caffeic acid (CA) were identified in the extracts. The antibacterial activities were found against Serratia lutea, S. marcescens, Bacillus subtilis, B. pseudomycoides, and B. thuringiensis and next Enterococcus faecalis, E. faecium, Streptococcus pneumoniae, Pseudomonas aeruginosa, and P. fluorescens strains. In vitro penetration studies showed the penetration of some phenolic acids and their accumulation in the skin. Our results confirm the importance of skin penetration studies to guarantee the efficacy of formulations containing E. angustifolium extracts.

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Section: Discussionmentioning

confidence: 65%

In Vitro Human Skin Penetration, Antioxidant and Antimicrobial Activity of Ethanol-Water Extract of Fireweed (Epilobium angustifolium L.)

et al. 2021

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“…NEs have also efficiently decreased the S. typhimurium biofilm on the surface of cut pineapple. Moreover, the sensory analysis presented the acceptance of fresh-cut pineapple with linalool NEs treatment [109]. A NE-based edible sodium caseinate coating containing 3 wt% and 6 wt% ginger essential oil (GEO) was used to prolong the shelf life of chicken breast fillet.…”

Section: Food Industrymentioning

confidence: 99%

Nanoemulsions: Factory for Food, Pharmaceutical and Cosmetics

et al. 2019

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Nanotechnology, particularly nanoemulsions (NEs), have gained increasing interest from researchers throughout the years. The small-sized droplet with a high surface area makes NEs important in many industries. In this review article, the components, properties, formation, and applications are summarized. The advantages and disadvantages are also described in this article. The formation of the nanosized emulsion can be divided into two types: high and low energy methods. In high energy methods, high-pressure homogenization, microfluidization, and ultrasonic emulsification are described thoroughly. Spontaneous emulsification, phase inversion temperature (PIT), phase inversion composition (PIC), and the less known D-phase emulsification (DPE) methods are emphasized in low energy methods. The applications of NEs are described in three main areas which are food, cosmetics, and drug delivery.

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“…In case of EOG, the major components with set antimicrobial activity are cymene against Bacillus cereus [30]; D-limonene had a high inhibitory effect on the growth of E. coli, S. aureus, B. subtilis, S. cerevisiae [31]; 1,8-cineole against A. carbonarius [32]; γ-terpinene had significant antibacterial activity against X. oryzaepv. oryzae [33]; linalool [34,35]; camphor against S. epidermidis, E. faecalis and S. aureus [36]; terpinen-4-ol showed antifungal activity against strains of C. posadasii, H. capsulatum and H. capsulatum [37]; β-caryophyllene inhibited the growth of S. mutans [38]. For other species of Gnaphalium genus the antibacterial activity was also shown [11,13].…”

Section: Resultsmentioning

confidence: 96%

Phytochemical Contents, Antimicrobial and Antioxidant Properties of Gnaphalium uliginosum L. Ethanolic Extract and Essential Oil for Agricultural Uses

et al. 2019

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Gnaphalium uliginosum L. (Asteraceae) is widely used in phytotherapy and has a potential for agricultural utilization. The ethanolic extract was obtained from the maceration of air-dried plants, and the extract was then filtered and concentrated using a rotary evaporator. The essential oil was pressed from freshly harvested and crushed, aerial part of plants. The chemical compositions of ethanolic extract and essential oil of G. uliginosum L. (EOG) were investigated using gas chromatography/mass spectrometry (GC/MS). Nine constituents accounted for 77.3 % of the total detected components were determined at the ethanolic extract with a high proportion of sterols 42.8%, fatty acids 24.1 %, triterpenes 14.4 %. Twenty constituents were identified in essential oil of G. uliginosum L.; with α-pinene and estragole accounting for 54.0 %. The ethanolic extract was found to have a moderate antimicrobial activity (MIC values varied from 125 to 500 μg/mL), for S. aureus, B. cereus and A. solani significant activity (less than 62.5 μg/mL). The essential oil was found to have a moderate (MICs 500-1000 μg/mL) and strong activities (31.3-250 μg/mL). The antioxidant activity was evaluated using chemiluminescent assay. The ethanolic extract of G. uliginosum L. acted as a medium-strength antioxidant at concentrations of less than 0.1 mg/mL. The essential oil made be regarded as a weak strength antioxidant.

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Antibacterial and antibiofilm activities of linalool nanoemulsions against Salmonella Typhimurium

Cited by 80 publications

References 31 publications

In Vitro Human Skin Penetration, Antioxidant and Antimicrobial Activity of Ethanol-Water Extract of Fireweed (Epilobium angustifolium L.)

In Vitro Human Skin Penetration, Antioxidant and Antimicrobial Activity of Ethanol-Water Extract of Fireweed (Epilobium angustifolium L.)

Nanoemulsions: Factory for Food, Pharmaceutical and Cosmetics

Phytochemical Contents, Antimicrobial and Antioxidant Properties of Gnaphalium uliginosum L. Ethanolic Extract and Essential Oil for Agricultural Uses

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