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Essential oils and their components are a class of antifungals with potent vapour-phase-mediated anti-Candida activity.


ABSTRACT: Multi-resistant microorganisms continue to challenge medicine and fuel the search for new antimicrobials. Here we show that essential oils and their components are a promising class of antifungals that can have specific anti-Candida activity via their vapour-phase. We quantify the vapour-phase-mediated antimicrobial activity (VMAA) of 175 essential oils and 37 essential oil components, representing more than a 1,000 unique molecules, against C. albicans and C. glabrata in a novel vapour-phase-mediated susceptibility assay. Approximately half of the tested essential oils and their components show growth-inhibitory VMAA. Moreover, an average greater activity was observed against the intrinsically more resistant C. glabrata, with essential oil component citronellal having a highly significant differential VMAA. In contrast, representatives of each class of antifungals currently used in clinical practice showed no VMAA. The vapour-phase-mediated susceptibility assay presented here thus allows for the simple detection of VMAA and can advance the search for novel (applications of existing) antimicrobials. This study represents the first comprehensive characterisation of essential oils and their components as a unique class of antifungals with antimicrobial properties that differentiate them from existing antifungal classes.

SUBMITTER: Feyaerts AF 

PROVIDER: S-EPMC5834617 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Essential oils and their components are a class of antifungals with potent vapour-phase-mediated anti-Candida activity.

Feyaerts Adam F AF   Mathé Lotte L   Luyten Walter W   De Graeve Stijn S   Van Dyck Katrien K   Broekx Lize L   Van Dijck Patrick P  

Scientific reports 20180302 1


Multi-resistant microorganisms continue to challenge medicine and fuel the search for new antimicrobials. Here we show that essential oils and their components are a promising class of antifungals that can have specific anti-Candida activity via their vapour-phase. We quantify the vapour-phase-mediated antimicrobial activity (VMAA) of 175 essential oils and 37 essential oil components, representing more than a 1,000 unique molecules, against C. albicans and C. glabrata in a novel vapour-phase-me  ...[more]

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