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Antifungal activity of selected essential oils, cinnamaldehyde and carvacrol against Malassezia furfur and Candida albicans

Author:
Ferhout, H., Bohatier, J., Guillot, J., Chalchat, J.C.
Source:
Journal of essential oil research 1999 v.11 no.1 pp. 119-129
ISSN:
1041-2905
Subject:
Thymus vulgaris, cinnamon, Cinnamomum verum, Malassezia furfur, Candida albicans, essential oils, antifungal properties, antifungal agents, carvacrol
Abstract:
Effects of thyme oils extracted from nine Thymus vulgaris chemotypes cinnamon oil (Cinnamomum zeylanicum) cinnamaldehyde and carvacrol were studied on growth of Malassezia furfur and Candida albicans. The last three substances and the carvacrol chemotype of thyme oil were the most efficient against the two yeasts. Yeast growth was monitored throughout eight days under log-step concentrations (1 microgram/mL-1000 microgram/mL) of these four substances. MICs (minimum inhibitory concentrations) and MLCs (minimum lethal concentrations) were also determined by two different methods: poisoned food and dilution-neutralization methods. MICs and MLCs values obtained by the former are lower than those determined by the latter. M. furfur was observed to be more sensitive to cinnamon oil and cinnamaldehyde, while C. albicans was more sensitive to thyme oil and carvacrol. It was also found that essential oil activity is mainly due to their respective major components.
Agid:
1450649