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DOI: 10.1055/s-0030-1250526
© Georg Thieme Verlag KG Stuttgart · New York
Antileishmanial Sesquiterpenes from the Brazilian Red Alga Laurencia dendroidea
Publication History
received September 22, 2010
revised October 10, 2010
accepted October 13, 2010
Publication Date:
05 November 2010 (online)
Abstract
Investigation of the bioactive crude extracts from two populations of the red alga Laurencia dendroidea from the southeastern Brazilian coast led to the identification of five sesquiterpenes: (+)-obtusane (1), a triquinane derivative (2), (−)-elatol (3), obtusol (4), and cartilagineol (5). An antileishmanial bioassay against Leishmania amazonensis was conducted for crude lipophilic extracts and for sesquiterpenes 2, 3, and 4. Compounds 3 and 4 displayed in vitro and in vivo leishmanicidal activity and very low cytotoxicity.
Key words
antileishmanial activity - halogenated sesquiterpenes - Laurencia dendroidea J. Agardh - Rhodomelaceae - Leishmania amazonensis Lainson & Shaw
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Angélica Ribeiro Soares
Núcleo de Estudos em Ecologia e Desenvolvimento Sócio-Ambiental de Macaé
Universidade Federal do Rio de Janeiro
Rua Rotary Club s/n° Bairro São José do Barreto
Macaé 27901-000 RJ
Brazil
Phone: +55 22 27 59 34 31
Fax: +55 22 27 62 93 13
Email: angelica.r.soares@gmail.com
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