purificação do flavonóide trans-tilirosídeo do extrato metanólico das folhas de gochnatia barrosii cabrera (asteraceae) e avaliação da sua atividade nematicida purification of the flavonoid trans-tiliroside from the methanolic extract of gochnatia barrosii cabrera (asteraceae) leaves and evaluation of the nematicidal activity

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ID: 180560
2010
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Abstract
O fracionamento do extrato metanólico das folhas de Gochnatia barrosii Cabrera (Asteraceae) resultou no isolamento do flavonol glicosídico trans-tilirosídeo [kaempferol 3-O- -D-(6''-O-E-p-cumaroil)-glicopiranosídeo], que nunca tinha sido identificado na referida espécie vegetal. Em teste realizado in vitro, observou-se que tal substância a 500 μg/mL, não tem efeito sobre a mortalidade de juvenis do segundo estágio do nematóide Meloidogyne exigua Goeldi.
Fractionation of the methanolic extract from Gochnatia barrosii Cabrera (Asteraceae) leaves resulted in the isolation of the flavonol glycoside trans-tiliroside [kaempferol 3-O- -D-(6''-O-E-p-coumaroyl)-glucopyranoside], which had never been found in such plant species. Such substance at 500 μg/mL caused no in vitro effect on the mortality of second-stage juveniles of the nematode Meloidogyne exigua Goeldi.
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Authors ;Helvécio Martins dos Santos Júnior;Aline Auxiliadora Tirelli;Hudson Wallace Pereira Carvalho;Denilson Ferreira Oliveira;Robson Taironi do Prado;Vicente Paulo Campos
Journal information and software technology
Year 2010
DOI
10.1590/S1413-70542010000500021
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542010000500021
Keywords
phytochemical flavonoid

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