Zobrazeno 1 - 7 of 7 pro vyhledávání: '"Silva, Geilson A. da"'
1
A New Prenylisoflavone from the Antifungal Extract of Leaves of Vatairea guianensis Aubl
Autor: SOUZA, Ronilson Freitas de, SILVA, Geilson Alcantara da, ARRUDA, Alberto Cardoso, SILVA, Milton Nascimento da, SANTOS, Alberdan Silva, GRISÓLIA, Daniella Paternostro de Araújo, SILVA, Moisés Batista da, ARRUDA, Mara Silvia Pinheiro
Publikováno v: Repositório Institucional da UFPA
Universidade Federal do Pará (UFPA)
instacron:UFPA
A new compound, 5,7,3'-trihydroxy-4'-methoxy-8-prenylisoflavone, was isolated from the leaves of Vatairea guianensis Aubl. (Fabaceae), together with two known isoflavones lupiwighteone and 5,7,4'-trihydroxy-3'-methoxy-8-prenylisoflavone. All isolated
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::2cbf1d337ceb1e238fdfce32b40baf70
http://repositorio.ufpa.br/jspui/handle/2011/8875
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2
A New Prenylisoflavone from the Antifungal Extract of Leaves of Vatairea guianensis Aubl
Autor: Souza, Ronilson F., Silva, Geilson A. da, Arruda, Alberto C., Silva, Milton N. da, Santos, Alberdan S., Grisólia, Daniella P. A., Silva, Moises B., Salgado, Claudio G., Arruda, Mara Silvia P.
Publikováno v: Journal of the Brazilian Chemical Society v.28 n.6 2017
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 28, Issue: 6, Pages: 1132-1136, Published: JUN 2017
A new compound, 5,7,3'-trihydroxy-4'-methoxy-8-prenylisoflavone, was isolated from the leaves of Vatairea guianensis Aubl. (Fabaceae), together with two known isoflavones lupiwighteone and 5,7,4'-trihydroxy-3'-methoxy-8-prenylisoflavone. All isolated
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::67a0c00729496c31fbc835e474ef2217
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532017000601132
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3
New isoflavones from the leaves of Vatairea guianensis Aublé
Autor: SOUZA, Ronilson Freitas de, MARINHO, Victor Hugo de Souza, SILVA, Geilson Alcantara da, COSTA JUNIOR, Livio Martins, SILVA, Joyce Kelly do Rosário da, BASTOS, Gilmara de Nazareth Tavares, ARRUDA, Alberto Cardoso, SILVA, Milton Nascimento da, ARRUDA, Mara Silvia Pinheiro
Publikováno v: Repositório Institucional da UFPA
Universidade Federal do Pará (UFPA)
instacron:UFPA
Das folhas de Vatairea guianensis Aublé foram isoladas quatro isoflavonas identificadas como, 5,3',-diidroxi-4'-metoxi-2",2"-dimetilpirano-(5",6":8,7)-isoflavona ( 1: ), 5,7-diidroxi-3',4'-metilenodioxi-8-prenil-isoflavona ( 2: ) e 5,3'-diidroxi-4'-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::fb15a20fbc178c312c8a0f355d6593d9
http://repositorio.ufpa.br/jspui/handle/2011/6293
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4
New isoflavones from the leaves of Vatairea guianensis Aublé
Autor: Souza, Ronilson Freitas de, Marinho, Victor H. S., Silva, Geilson A. da, Costa-Jr., Livio M., Silva, Joyce Kelly R. da, Bastos, Gilmara N. T., Arruda, Alberto C., Silva, Milton N. da, Arruda, Mara Silvia P.
Publikováno v: Journal of the Brazilian Chemical Society v.24 n.11 2013
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 24, Issue: 11, Pages: 1857-1863, Published: NOV 2013
Four isoflavones were isolated from Vatairea guianensis Aublé leaves and identified as 5,3'-dihydroxy-4'-methoxy-2",2"-dimethylpyrano-(5",6":8,7)-isoflavone ( 1: ), 5,7-dihydroxy-3',4'-methylenedioxy-8-prenyl-isoflavone ( 2: ), 5,3'-dihydroxy-4'-met
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0d7b9822e9606394ac94a4b709a865cc
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532013001100018
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5
Flavonoids from leaves of Derris urucu: assessment of potential effects on seed germination and development of weeds
Autor: SILVA, Ewerton Afonso Silva da, LÔBO, Lívia Trindade, SILVA, Geilson Alcantara da, SOUZA FILHO, Antonio Pedro da Silva, SILVA, Milton Nascimento da, ARRUDA, Alberto Cardoso, GUILHON, Giselle Maria Skelding Pinheiro, SANTOS, Lourivaldo da Silva, ARRUDA, Mara Silvia Pinheiro
Publikováno v: Repositório Institucional da UFPA
Universidade Federal do Pará (UFPA)
instacron:UFPA
Em estudos anteriores descrevemos o isolamento de nove substâncias, a partir das folhas de Derris urucu, uma espécie encontrada amplamente na floresta Amazônica, as quais foram identificadas como cinco estilbenos e quatro diidroflavonóis. Neste t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::f83dddb091b3911c4de207112e5248a9
http://repositorio.ufpa.br/jspui/handle/2011/4552
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6
Stilbenes from Deguelia rufescens var. urucu (Ducke) A. M. G. Azevedo leaves: effects on seed germination and plant growth
Autor: LÔBO, Lívia Trindade, SILVA, Geilson Alcantara da, FREITAS, Manolo Cleiton Costa de, SOUZA FILHO, Antonio Pedro da Silva, SILVA, Milton Nascimento da, ARRUDA, Alberto Cardoso, GUILHON, Giselle Maria Skelding Pinheiro, SANTOS, Lourivaldo da Silva, SANTOS, Alberdan Silva, ARRUDA, Mara Silvia Pinheiro
Publikováno v: Repositório Institucional da UFPA
Universidade Federal do Pará (UFPA)
instacron:UFPA
A biodiversidade Amazônica pode ser uma fonte de substâncias capazes de serem utilizadas no controle de plantas daninhas. Neste estudo relatamos o isolamento e a identificação de cinco estilbenos a partir das folhas do "timbó vermelho" (Deguelia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::61338c60f12e6d3e7cead1df6c9d64eb
http://www.repositorio.ufpa.br:8080/jspui/handle/2011/2443
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7
Dihydroflavonols from the leaves of Derris urucu (Leguminosae): structural elucidation and DPPH radical-scavenging activity
Autor: Lôbo, Lívia T., Silva, Geilson A. da, Ferreira, Malisson, Silva, Milton N. da, Santos, Alberdan S., Arruda, Alberto C., Guilhon, Giselle M. S. P., Santos, Lourivaldo S., Borges, Rosivaldo dos Santos, Arruda, Mara Silvia P.
Publikováno v: Journal of the Brazilian Chemical Society v.20 n.6 2009
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 20, Issue: 6, Pages: 1082-1088, Published: 2009
Derris urucu is an Amazonian plant with insecticide and ichthyotoxic properties. Studies with this species show the presence of flavonoids, mainly rotenoids, as well as stilbenes. The ethanol extract of the leaves of Derris urucu (Leguminosae) afford
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f2e345308f88706b1dbe54082820dff2
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532009000600013
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