Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/15792
Title: Essential oil of Daucus carota subsp. halophilus: Composition, antifungal activity and cytotoxicity
Authors: Tavares, Ana Cristina 
Gonçalves, Maria José 
Cavaleiro, Carlos 
Cruz, Maria Teresa 
Lopes, Maria Celeste 
Canhoto, Jorge 
Ribeiro Salgueiro, Lígia 
Keywords: Oleos Essenciais; Actividade antifungica; Citotoxicidade in vitro
Issue Date: 2008
Publisher: Elsevier
Serial title, monograph or event: Journal of Ethnopharmacology
Issue: 119
Abstract: Ethnopharmacological relevance: Essential oils are known to possess antimicrobial activity against a wide spectrum of bacteria and fungi. Daucus carota L. is used since olden times in traditional medicine, due to recognized therapeutic properties, namely the antimicrobial activity of their essential oils. Aim of the study: In the present study the composition and the antifungal activity of the oils of Daucus carota L. subsp. halophilus (Brot.) A. Pujadas (Apiaceae), an endemic plant from Portugal, were evaluated. Moreover, their cytotoxicity in mouse skin dendritic cells at concentration showing significant antifungal activity was also evaluated. Material and methods: The oilswere investigated by GC and GC-MS and the antifungal activity (MIC and MLC) were evaluated against yeasts, dermatophyte and Aspergillus strains. Assessment of cell viability was made by the MTT assay. Results: The results showed large variations in the compositions during ontogenesis, particularly in the amounts of elemicin that increased significantly in the ripe umbels (5.9% vs. 31.0%). The results also demonstrated that the oil with high amounts of elemicin, which have stronger antifungal activity, showed no cytotoxic effect, at concentrations ranging from 0.16 to 0.64 l/ml, for as long as 24h. Conclusion: It is possible to find appropriate doses of Daucus carota oil showing both antifungal activity and very low detrimental effect on mammalian cells.
URI: https://hdl.handle.net/10316/15792
DOI: 10.1016/j.jep.2008.06.012
Rights: openAccess
Appears in Collections:FCTUC Ciências da Vida - Artigos em Revistas Internacionais

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