| Registro completo |
| Provedor de dados: |
Acta Amazonica
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| País: |
Brazil
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| Título: |
Pentacyclic triterpenes and steroids from the stem bark of uchi (Sacoglottis uchi, Humiriaceae)
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| Autores: |
Abreu,Viviane Gomes da Costa
Corrêa,Geone Maia
Lagos,Izandina Aparecida dos Santos
Silva,Roqueline Rodrigues
Alcântara,Antônio F. de C.
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| Data: |
2013-12-01
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| Ano: |
2013
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| Palavras-chave: |
Humiriaceae
Medicinal plants
Amazon Region
Triterpenes
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| Resumo: |
The ethanol extract from stem bark of Sacoglottis uchi Huber (popularly known as uchi in the Amazon Region) was submitted to chromatographic fractionation. The dichloromethane fractions provided the pentacyclic triterpene 3-oxo-friedelin (1). The dichloromethane:methanol fractions provided the pentacyclic triterpenes pseudotaraxasterol (2), lupeol (3), a-amyrin (4), betulin (5), and methyl 2ß,3ß-dihydroxy-urs-12-en-28-oate (6) and a mixture of the steroids sitosterol (7) and stigmasterol (8). Their chemical structures were determined by NMR spectroscopy and comparison with spectroscopic data from the literature. All compounds are described for the first time in this species.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672013000400015
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| Editor: |
Instituto Nacional de Pesquisas da Amazônia
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| Relação: |
10.1590/S0044-59672013000400015
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| Formato: |
text/html
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| Fonte: |
Acta Amazonica v.43 n.4 2013
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| Direitos: |
info:eu-repo/semantics/openAccess
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