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Abstract Title:

Portuguese honeys as antimicrobial agents againstspecies.

Abstract Source:

J Tradit Complement Med. 2021 Mar ;11(2):130-136. Epub 2020 Feb 28. PMID: 33728273

Abstract Author(s):

Liliana Fernandes, Henrique Ribeiro, Ana Oliveira, Ana Sanches Silva, Andreia Freitas, Mariana Henriques, Maria Elisa Rodrigues

Article Affiliation:

Liliana Fernandes

Abstract:

Background and aim: Honey has been recognized worldwide for its antioxidant, anti-tumor, anti-inflammatory and antimicrobial properties. Among them, the antifungal properties associated to honey make it an attractive alternative treatment for-associated infections, particularly for topical application to the mucous membranes and skin. In this sense, the main purpose of this work was to evaluate physicochemical properties of five Portuguese honeys and Manuka honey (an Australian honey with well recognized medical proprieties, used as control) and to evaluate the antifungal activity inspecies planktonic and biofilm assays.

Experimental procedure: Pollen analysis, pH determination, color, concentration of protein and methylglyoxal, conductivity, total phenolics and flavonoids, hydrogen peroxide concentration, and characterization by differential scanning calorimetry in honey samples were determined. Additionally, the effect of honeys on planktonic growth ofwas initially evaluated by determination of the minimum inhibitory concentrations. Then, the same effect of those honeys was evaluated in biofilms, by Colony Forming Units enumeration.

Results and conclusion: It has been shown that Portuguese heather () honey presented the most similar physicochemical properties to manuka honey (specially phenolic and flavonoids contents). The five Portuguese honeys under study, presented in general a potent activity against planktonic multi-resistant yeast pathogens (several clinical isolates and reference strains ofspecies) andandbacteria cultures. Additionally, it was also concluded that Portuguese heather honey (50% and 75% (w/v)) can also act as a goodspecies biofilm reducer, namely for.

Study Type : In Vitro Study

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