Isolation of elatol from Laurencia microcladia and its palatability to the sea urchin Echinometra lucunter |
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| Authors: | Cintia Lhullier Alejandro Donnangelo Miguel Caro Jorge A. Palermo Paulo Antunes Horta Miriam Falkenberg Eloir P. Schenkel |
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| Affiliation: | 1. Programa de Pós-graduação em Farmácia, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CEP 88040-900 Florianópolis, SC, Brazil;2. Departamento de Botânica, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CEP 88040-900 Florianópolis, SC, Brazil;3. Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CEP 88040-900 Florianópolis, SC, Brazil;4. Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales y UMYMFOR, Universidad de Buenos Aires, Ciudad Universitaria Pab. 2, C1428EGA Buenos Aires, Argentina |
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| Abstract: | Elatol was isolated as the major compound from the red alga Laurencia microcladia Kütz. collected in Southern Brazil. This is the first report of elatol in this species. We also investigated the herbivore behaviour of the black sea urchin Echinometra lucunter (Linnaeus, 1758) towards L. microcladia, Ulva fasciata Delile and Gracilaria domingensis (Kütz.) Sond. ex Dickie through live algal multiple-choice feeding assay, as well as artificial feeding assay. The sea urchins ate the crude algae L. microcladia and pellets containing the powdered algae, extract and all tested concentrations of elatol, suggesting that this seaweed and its main compound are palatable for E. lucunter. |
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| Keywords: | Laurencia microcladia Elatol Black sea urchin Echinometra lucunter |
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