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Title: Essential oils : in vitro activity against Leishmania amazonensis, cytotoxicity and chemical composition
Authors: Andrade, Milene Aparecida
Azevedo, Clênia dos Santos
Motta, Flávia Nader
Santos, Maria Lucília dos
Silva, Camila Lasse
Santana, Jaime Martins de
Bastos, Izabela Marques Dourado
Assunto:: Tratamento
Leishmaniose cutânea
Óleos essenciais
Issue Date: 8-Nov-2016
Publisher: BioMed Central
Citation: ANDRADE, Milene Aparecida et al. Essential oils: in vitro activity against Leishmania amazonensis, cytotoxicity and chemical composition. BMC Complementary and Alternative Medicine, v. 14, Article 444, 8 nov. 2016. Disponível em: <>. Acesso em: 21 jun. 2017. doi:
Abstract: Background: The current chemotherapy for cutaneous leishmaniosis (CL) has a series of drug limitations such as toxic side effects, long duration, high costs and drug resistance, which requires the development of new drugs or effective alternatives to the CL treatment. Essential oils (EOs) are complex mixtures of secondary metabolites from various plants. It has been shown that several EOs, or their constituents, have inhibitory activity against protozoa. Thus, this study aims to evaluate the biological activity of different essential oils (EOs) on Leishmania (L.) amazonensis promastigotes forms, as well as their cytotoxicity on mammalian cells and chemical composition. Methods: Sixteen EOs were evaluated by mean of IC50/24 h and cytotoxicity against L6 cells (CC50/24 h) using Resazurin assay. Only those EOs that presented better results for IC50/24 h were submitted to GC–MS analysis to determine their chemical constitution. Results: The EO from Cinnamodendron dinisii, Matricaria chamomilla, Myroxylon peruiferum, Salvia sclarea, Bulnesia sarmientoi, Ferula galbaniflua, Siparuna guianensis and Melissa officinalis were the most active against L. amazonensis with IC50/24 h ranging from 54.05 to 162.25 μg/mL. Analysis of EOs by GC–MS showed mainly the presence of β-farnesene (52.73 %) and bisabolol oxide (12.09 %) for M. chamomilla; α-copaene (13.41 %), safrole (8.35 %) and δ-cadinene (7.08 %) for M. peruiferum; linalool (28.80 %) and linalyl acetate (60.08 %) for S. sclarea; guaiol (48.29 %) and 2-undecanone (19.49 %) for B. sarmientoi; ethyl phthalate (13.09 %) and methyl-8-pimaren-18-oate (41.82 %) for F. galbaniflua; and neral (37.18 %) and citral (5.02 %) for M. officinalis. Conclusion: The EO from F. galbaniflua showed to be effective against L. amazonensis promastigotes forms and presented low cytotoxic activity against L6 cells. Thus, it represents a strong candidate for future studies aiming its molecular activity on these pathogenic parasites.
Licença:: © The Author(s). 2016 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.
Appears in Collections:CEL - Artigos publicados em periódicos

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