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Abstract Title:

In vitro activities of carvacrol, cinnamaldehyde and thymol against Candida biofilms.

Abstract Source:

Biomed Pharmacother. 2021 Nov ;143:112218. Epub 2021 Sep 28. PMID: 34649348

Abstract Author(s):

Katherine Miranda-Cadena, Cristina Marcos-Arias, Estibaliz Mateo, José Manuel Aguirre-Urizar, Guillermo Quindós, Elena Eraso

Article Affiliation:

Katherine Miranda-Cadena

Abstract:

Oral candidiasis is frequently associated with Candida biofilms. Biofilms are microbial communities related to persistent, recalcitrant and difficult to-treat infections. Conventional treatments are not sufficient to overcome biofilm-associated candidiasis; thus, the search of new antifungal compounds is necessary. In the current study, we have evaluated the effect of three phytocompounds, carvacrol, cinnamaldehyde and thymol, against Candida planktonic and sessile cells. Reduction in biofilm biomass and metabolic activity was assessed during adhesion and mature biofilm phases. Candida albicans was the most biofilm-producing Candida species. All phytocompounds tested were fungicidal against Candida planktonic cells. Cinnamaldehyde was the most active in inhibiting biofilm adhesion, but carvacrol and thymol significantly reduced both mature biofilm biomass and metabolic activity. These results highlight the role of cinnamaldehyde, carvacrol and thymol as promising alternatives for the treatment of candidiasis due to their antibiofilm capacities, and stress the necessity to continue studies on their safety, toxicity and pharmacodynamics and pharmacokinetics.

Study Type : In Vitro Study

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