Allelopathic Potential of Rapanea umbellata Leaf Extracts

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Allelopathic Potential of Rapanea umbellata Leaf Extracts

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Title: Allelopathic Potential of Rapanea umbellata Leaf Extracts
Author: Novaes, Paula; Imatomi, Maristela; Valera Montoya, Rosa María; González Molinillo, José María; Lacret, Rodney; J. Gualtieri, Sonia C.; Macías Domínguez, Francisco Antonio
Departments: Química Orgánica
xmlui.dri2xhtml.METS-1.0.item-source: CHEMISTRY & BIODIVERSITY – Vol. 10 (2013) 1539-1548
Abstract: The stressful conditions associated with the Brazilian savanna (Cerrado) environment were supposed to favor higher levels of allelochemicals in Rapanea umbellata from this ecosystem. The allelopathic potential of R. umbellata leaf extracts was studied using the etiolated wheat coleoptile and standard phytotoxicity bioassays. The most active extract was selected to perform a bioassay-guided isolation, which allowed identifying lutein (1) and ( )-catechin (2) as potential allelochemicals. Finally, the general bioactivity of the two compounds was studied, which indicated that the presence of 1 might be part of the defense mechanisms of this plant.
Subject: Allelopathy ; Allelopathic Potential ; Rapanea umbellata ; leaf ; extracts.
Handle: http://hdl.handle.net/10498/20271
Date: 2013-10

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Attribution-NonCommercial-NoDerivatives 4.0 Internacional Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internacional