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Chemistry, cytotoxicity and antileishmanial activity of the essential oil from Piper auritum
Monzote, Lianet; García, Marley; Montalvo, Ana Margarita; Scull, Ramón; Miranda, Migdalia.
  • Monzote, Lianet; Instituto de Medicina Tropical Pedro Kourí. Departamento de Parasitología. Ciudad de la Habana. CU
  • García, Marley; Instituto de Medicina Tropical Pedro Kourí. Departamento de Parasitología. Ciudad de la Habana. CU
  • Montalvo, Ana Margarita; Instituto de Medicina Tropical Pedro Kourí. Departamento de Parasitología. Ciudad de la Habana. CU
  • Scull, Ramón; Universidad de la Habana. Instituto de Farmacia y Alimentos. Departamento de Química. Ciudad de la Habana. CU
  • Miranda, Migdalia; Universidad de la Habana. Instituto de Farmacia y Alimentos. Departamento de Química. Ciudad de la Habana. CU
Mem. Inst. Oswaldo Cruz ; 105(2): 168-173, Mar. 2010. ilus, tab
Article in English | LILACS | ID: lil-544622
ABSTRACT
Leishmaniasis is one of the most important parasitic infections, but current treatments are unsatisfactory due to their toxicity, cost and resistance. Therefore, the development of new antileishmanial compounds is imperative. Many people who live in endemic areas use plants as an alternative to treat the disease. In this paper, we characterised the essential oil from Piper auritum, evaluated its cytotoxicity and determined its antileishmanial activity. The chromatogram obtained by gas chromatography revealed 60 peaks and we found that safrole was the most abundant compound, composing 87 percent of the oil. The oil was active against the promastigotes of Leishmania major, Leishmania mexicana, Leishmania braziliensis and Leishmania donovani with a favourable selectivity index against peritoneal macrophages from BALB/c mice. The Piper-oil inhibited the growing of intracellular amastigotes of L. donovani with an IC50 value of 22.3 ± 1.8 ìg/mL. This study demonstrates the usefulness of the essential oils as a promising alternative to treat leishmaniasis.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Plant Oils / Oils, Volatile / Leishmaniasis / Macrophages, Peritoneal / Piper / Antiprotozoal Agents Limits: Animals Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2010 Type: Article Affiliation country: Cuba Institution/Affiliation country: Instituto de Medicina Tropical Pedro Kourí/CU / Universidad de la Habana/CU

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Full text: Available Index: LILACS (Americas) Main subject: Plant Oils / Oils, Volatile / Leishmaniasis / Macrophages, Peritoneal / Piper / Antiprotozoal Agents Limits: Animals Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2010 Type: Article Affiliation country: Cuba Institution/Affiliation country: Instituto de Medicina Tropical Pedro Kourí/CU / Universidad de la Habana/CU