Cryptofolione derivatives from Cryptocarya alba fruits

Author:

Schmeda-Hirschmann Guillermo1,Astudillo Luis1,Bastida Jaume2,Codina Carles2,De Arias Antonieta Rojas3,Ferreira María Elena3,Inchaustti Alba3,Yaluff Gloria3

Affiliation:

1. Instituto de Quimica de Recursos Naturales, Universidad de Talca, Casilla 747, Talca, Chile

2. Universidad de Barcelona, Facultad de Farmacia, Departamento de Productos Naturales, 08028 Barcelona, Catalũna, España

3. Instituto de Investigaciones en Ciencias de la Salud, Universidad Nacional de Asunción. Rio de la Plata y La Gerenza, CP 2511 Asunción, Paraguay

Abstract

Abstract Cryptofolione (1) and the new cryptofolione derivative 6-(4,6-dimethoxy-8-phenyl-octa-1,7-dienyl)-4-hydroxy-tetrahydro-pyran-2-one (2) were isolated from the fruits of Cryptocarya alba. The structures were elucidated by spectroscopic methods. Cryptofolione showed activity towards Trypanosoma cruzi trypomastigotes, reducing their number by 77% at 250 μg mL−1. Cryptofolione showed moderate cytotoxicity in both macrophages and T. cruzi amastigotes. It also displayed a mild inhibitory effect on the promastigote form of Leishmania spp. As both cytotoxic and trypanocidal effects are similar, the compound presented little selectivity in our assay models.

Publisher

Oxford University Press (OUP)

Subject

Pharmaceutical Science,Pharmacology

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