Antimicrobial and antibiofilm activity of Cymbopogon flexuosus essential oil microemulsions

Costa, Karine Angélica Dalla; Moura, Renata; Millezi, Alessandra Farias

doi:10.1590/0034-737x201966050006

Cited by 10 publications

(8 citation statements)

References 26 publications

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“…Growth inhibition activity was also observed in gram-positive bacteria, such as Staphylococcus epidermidis, Staphylococcus aureus, Enterococcus faecalis and Streptococcus mutans, as well as against gram-negative bacteria, especially E. coli, P. aeruginosa, Klebsiella pneumoniae, Acinetobacter baumannii and Proteus mirabilis, showing a variation in relation to the results of the MIC and highlighting that non-fermenting bacteria, P. aeruginosa and A. baumannii, where less inhibition was seen (Scazzocchio et al, 2016;Chaftar et al, 2015;Leite et al, 2016;Souza et al, 2016;Rossi et al, 2017;De Silva et al, 2017;Luís et al, 2017;Bermúdez-Vásquez et al, 2019;Costa et al, 2019;Oliveira et al, 2019;Cunha et al, 2020).…”

Section: Experimental Workmentioning

confidence: 88%

“…In relation to solubilization of the test compound, it was observed that in the case of essential oils, due to their apolar nature, a substance is required to solubilize them in the culture medium, such as Tween 20 or 80 and Dimethyl sulfoxide (DMSO). These substances are used in the lowest practical concentrations due to toxicity (Balouiri et al, 2016;Costa et al, 2019).…”

Section: Experimental Workmentioning

confidence: 99%

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Cymbopogon sp. from ethnobotany to antimicrobial: an integrative review

Prado¹,

Prado²,

Pinheiro³

et al. 2022

RSD

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Considering the broad potential of the genus Cymbopogon, here we present a systematic literature survey on it’s antimicrobial potential. This is a review, articles from the Scielo and PubMed platforms. The articles surveyed were published between 2015 and 2020, with the theme of microbiology, including ethnobotanical studies, literature reviews, in vitro, in vivo, reports of clinical trials. Works outside the selected period, duplicate articles, and those only reporting infections of plants by the microorganism were excluded. 98 studies were selected, 74% found in PubMed and 26% in Scielo. Of this total, 21% were ethnobotanical/ethnopharmacology or literature reviews, most of them reporting the use of infusions of the species C. citratus (DC.) Stapf. Moreover, in 57% of the studies, survey respondents did not report antimicrobial use. In relation to 79% of the experimental studies, it was observed that 77% reported total inhibition of microbial growth, 3% indicated moderate growth inhibition, 4% low growth inhibition and 5% reported no inhibition. Among the microbial species analyzed were Escherichia coli, Pseudomonas aeruginosa, Borrelia burgdorferi, Candida albicans, Salmonella enterica and Saccharomyces cerevisiae. In addition, 5% of the articles reported antiviral activity, 5% parasitic control, 1% preventive action against contamination by mesophilic microorganisms. Although the population is not aware of the antimicrobial activity of Cymbopogon sp., studies have demonstrated its antimicrobial potential, thus the extracts of this genus can be an alternative for use in folk medicine as well as a source of new drugs with antimicrobial action.

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Section: Experimental Workmentioning

confidence: 88%

Section: Experimental Workmentioning

confidence: 99%

Cymbopogon sp. from ethnobotany to antimicrobial: an integrative review

Prado¹,

Prado²,

Pinheiro³

et al. 2022

RSD

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“…In some studies, the activity of Eos is reported. As they are a complex mixture of substances, they are described as antimicrobial (Nikolic et al, 2014;Millezi et al, 2016;Dalla Costa et al, 2019;Camargo et al, 2020). In another conception, some studies emphasize that some isolated components are responsible for this activity (Chubukov et al, 2015;Lopez-Romero et al, 2015, Shi et al, 2016.…”

Section: Discussionmentioning

confidence: 99%

Antibacterial potential of essential oils against planktonic and sessile cells of Escherichia coli isolated from diarrhea cases in swine

Bellaver¹,

Cunha²,

Bello³

et al. 2022

BLACPMA

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Escherichia coli is a pathogen associated with infections in piglets in the post-weaning phase, its pathogenicity is related to the animal's susceptibility to bacterial enterotoxins. The objective of the present study was to determine the EOs activity against E. coli strain, in the form planktonic and sessile. Although the Disc-Diffusion tests to determine the Minimum Inhibitory Concentration, do not fully corroborate with the other analyzes of this study, it was noticed bacteria inhibition. The EOs were prepared at 0.4%, 0.8% and 1.0% for tests. The tested EOs were effective against E. coli planktonic cells (p<0.05). As for the sessile cells, the most significant result was inhibition and 100% sessile cells at the concentration of 1.0% of Cymbopogon citratus EO. Although there was resistance in some treatments, the tested EOs demonstrated inhibition capacity, constituting promising alternatives for the control of E. coli, especially of planktonic cells.

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“…For the antibiofilm activity, a significant reduction (P < 0.05) was observed for S. typhimurium and S. aureus. Biofilm biomass significantly reduced only for S. aureus and P. aeruginosa [41]. These bioactivities are attributed to the major metabolites-e.g., geranial and neural (isomeric mixture of citral) from the terpenoids family in C. flexuosus.…”

Section: In-vitro and In-situ Anti-listerial Activity Of Essential Oi...mentioning

confidence: 99%

Essential Oils as Potential Tools to Control Listeria Monocytogenes in Foods

Ali

Andrade²,

Rezende³

et al. 2022

Food Science and Engineering

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Foodborne diseases are indisputable risks to human health, as they are directly affected by the consumption of food and beverages exposed to spoiling and pathogenic microorganisms. A commonly confronted issue by the food industry is the use of synthetic additives to control microbial growth on food products. Alternatively, plant essential oils (EOs) are natural compounds with antimicrobial effects against pathogens in edible and drinkable products. Based on bacteriostatic and bactericidal activities, this review describes the antimicrobial effects of plant EOs on Listeria monocytogenes, also indicating their potential applicability in different food products. Conclusively, it is determined that the Gram-positive bacteria have more susceptibilities to the EOs. In addition, the antibacterial efficacy of the EOs reported in the literature varied according to several parameters, including the seasonal harvest of plants, well-settled methodologies for extraction of EOs, experimental conditions for testing the antibacterial effect on L. monocytogenes, and matrix effects considering several types of foodstuffs. This later represents the main challenge to be addressed in future research aiming at specific applications of EOs in food products.

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Antimicrobial and antibiofilm activity of Cymbopogon flexuosus essential oil microemulsions

Cited by 10 publications

References 26 publications

Cymbopogon sp. from ethnobotany to antimicrobial: an integrative review

Cymbopogon sp. from ethnobotany to antimicrobial: an integrative review

Antibacterial potential of essential oils against planktonic and sessile cells of Escherichia coli isolated from diarrhea cases in swine

Essential Oils as Potential Tools to Control Listeria Monocytogenes in Foods

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