Prevention, removal and inactivation of<i>Escherichia coli</i>and<i>Staphylococcus aureus</i>biofilms using selected monoterpenes of essential oils

Borges, Anabela; López-Romero, Julio Cesár; Hartwig, Daniela; Giaouris, Efstathios; Simões, Manuel

doi:10.1111/jam.13490

Cited by 34 publications

(37 citation statements)

References 73 publications

(147 reference statements)

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“…In this particular case, the free hydroxyl group present in indole‐3‐carbinol can be a great contribution for the antibacterial effect observed (Borges et al . ). Likewise, another important parameter suggested to account for the antibacterial activity of cuminaldehyde and indole‐3‐carbinol was TPSA <40 Å, proposing their potential capacity to penetrate cell membranes (Veber et al .…”

Section: Resultsmentioning

confidence: 97%

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The use of selected phytochemicals with EDTA against Escherichia coli and Staphylococcus epidermidis single‐ and dual‐species biofilms

Vale

Ribeiro

Abreu

et al. 2019

Lett Appl Microbiol

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Significance and Impact of the Study: The synergistic combinations of EDTA and cuminaldehyde or indole-3-carbinol were effective against single-and dual-species E. coli and S. epidermidis planktonic cells and biofilms. The overall results highlight the role of phytochemical products as a green and sustainable source of antimicrobial potentiators to control bacteria in both planktonic and sessile states. AbstractThe aim of this study was the development of a novel and effective antibacterial formulation combining selected phytochemical compounds (quercetin, cuminaldehyde, indole-3-carbinol and vanillic acid) with ethylenediaminetetraacetic acid (EDTA), an aminopolycarboxylic acid. The antibacterial activity of the combinations was evaluated against Escherichia coli and Staphylococcus epidermidis in planktonic and sessile states as single and dual species. The compounds when applied individually demonstrated modest antibacterial activity. Nevertheless, synergy was observed when EDTA was combined with the selected phytochemicals, particularly with cuminaldehyde and indole-3-carbinol. These combinations were evaluated against single-and dual-species biofilms. An inactivation of 100% was obtained for almost all the biofilms, with E. coli biofilms showing the highest resistance. This study allowed the discovery of novel formulations of phytochemical compounds with antibacterial activity against E. coli and S. epidermidis single-and dual-species biofilms at concentrations close to the minimum bactericidal concentration.Letters in Applied Microbiology 68, 313--320

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Section: Resultsmentioning

confidence: 97%

“…These parameters can help to ascertain molecular properties significant for the antimicrobial action (Borges et al . ; Ribeiro et al . ).…”

Section: Resultsmentioning

confidence: 99%

The use of selected phytochemicals with EDTA against Escherichia coli and Staphylococcus epidermidis single‐ and dual‐species biofilms

Vale

Ribeiro

Abreu

et al. 2019

Lett Appl Microbiol

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“…In these studies, vegetable oils are used to prevent and eliminate biofilms. For example, the compounds in essential oils such as SAB, C3 and C4 are highly effective against biofilms created by Staphylococcus aureus [52].…”

Section: Staphylococcus Aureusmentioning

confidence: 99%

Applications of Medicinal Herbs and Essential Oils in Food Safety

Mahmoudi¹,

Kaboudari²,

Pakbin³

2020

Essential Oils - Oils of Nature

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In the last few years, more and more studies on the biological properties of essential oils (EOs) especially antimicrobial and antioxidant properties in vitro and food model have been published in all parts of the world. But so far no comprehensive reports of these studies have been reported in food model from Iran. The focus of this overview lies in the using of EOs from some indigenous medicinal plants of Iran (including Mentha longifolia, Cuminum cyminum, Teucrium polium, Pimpinella anisum and Allium ascalonicum) in probiotic dairy products (especially cheese, yoghurt and Aryan) in recent years. Recently, consumers have developed an ever-increasing interest in natural products as alternatives for artificial additives or pharmacologically relevant agents. Among them, EOs have gained great popularity in the food, cosmetic as well as pharmaceutical industries. Despite the reportedly strong antimicrobial activity of EOs against food-borne pathogens and spoilage microorganisms, their practical application as preservatives is currently limited owing to the undesirable flavour changes they cause in food products. Nonetheless, more studies are necessary to the applicability of various EOs on other food models in Iran and other countries.

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“…Sterile R2A broth was used as negative control. Biofilm production was assessed in terms of culturability (enumeration of colony forming units -CFU) and by crystal violet (Merck, Darmstadt, Germany) staining as described by Borges et al (2017) and Gomes et al (2018b).…”

Section: Susceptibility To Antibioticsmentioning

confidence: 99%

“…After exposure, chlorine was removed from each well and the remaining biocide was neutralized with sodium thiosulfate at 0.50% (wt/v) for 10 min (Gomes et al, 2018a). Chlorine effects on biofilms were assessed by CFU enumeration and crystal violet staining as previously described by Borges et al (2017) and Gomes et al (2018b).…”

Section: Chlorine Effects On Biofilms Formed By S Maltophilia Exposementioning

confidence: 99%

Prolonged exposure of Stenotrophomonas maltophilia biofilms to trace levels of clofibric acid alters antimicrobial tolerance and virulence

et al. 2019

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Prevention, removal and inactivation ofEscherichia coliandStaphylococcus aureusbiofilms using selected monoterpenes of essential oils

Abstract: The overall results demonstrated that the selected EOs components, particularly SAB, C3 and C4 are of interest as new lead molecules to both prevent biofilm set-up and to control pre-established biofilms of E. coli and S. aureus. This article is protected by copyright. All rights reserved.

Cited by 34 publications

References 73 publications

The use of selected phytochemicals with EDTA against Escherichia coli and Staphylococcus epidermidis single‐ and dual‐species biofilms

The use of selected phytochemicals with EDTA against Escherichia coli and Staphylococcus epidermidis single‐ and dual‐species biofilms

Applications of Medicinal Herbs and Essential Oils in Food Safety

Prolonged exposure of Stenotrophomonas maltophilia biofilms to trace levels of clofibric acid alters antimicrobial tolerance and virulence

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