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Campo DC | Valor | Idioma |
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dc.contributor.author | Moreira, Wagner Alan dos Santos | - |
dc.contributor.author | Lima, Maria da Paz | - |
dc.contributor.author | Ferreira, Antonio Gilberto | - |
dc.contributor.author | Piloto Ferreira, Izabel Cristina | - |
dc.contributor.author | Nakamura, Celso Vataru | - |
dc.date.accessioned | 2020-06-03T01:55:49Z | - |
dc.date.available | 2020-06-03T01:55:49Z | - |
dc.date.issued | 2009 | - |
dc.identifier.uri | https://repositorio.inpa.gov.br/handle/1/16300 | - |
dc.description.abstract | Phytochemical investigation from roots of Spathelia excelsa yielded the chromones 10(2,3-epoxy-3-methylbutanyl)spatheliachromen and 10(2,3-dihydroxy-3-methylbutanyl) methoxyspatheliacromen (5-methoxyspatheliabischromen); limonoid deacetylspathelin and protolimonoid C-21-epimers 3β-angeloyloxy-7α,24,25-trihydroxy-21,23-oxide-14,18-cycloapotirucall-21-hemiacetal; the alkaloids 7,8-dimethoxyflindersin, casimiroin and N-methyl-4,7,8-trimethoxyquinolin-2(1H)-one, besides a mixture of β-sitosterol and stigmasterol. Assays on promastigote forms of Leishmania braziliensis, deacetylspathelin showed moderate activity; and on epimastigote forms of Trypanossoma cruzi, 10(2,3-epoxy-3-methylbutanyl)spatheliachromen exhibited strong activity (IC50 = 11 μg mL-1). ©2009 Sociedade Brasileira de Química. | en |
dc.language.iso | en | pt_BR |
dc.relation.ispartof | Volume 20, Número 6, Pags. 1089-1094 | pt_BR |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/br/ | * |
dc.title | Chemical constituents from the roots of Spathelia excelsa and their antiprotozoal activity | en |
dc.type | Artigo | pt_BR |
dc.publisher.journal | Journal of the Brazilian Chemical Society | pt_BR |
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