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Evaluation of the Allelopathic Potential of Leaf, Stem, and Root Extracts of Ocotea pulchella NEES ET MART

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URI: http://hdl.handle.net/10498/20328

DOI: 10.1002/cbdv.201500501

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2016-Evaluation of the Allelopathic Potential of Leaf, Stem, and Root Extracts of Ocotea pulchella Nees et Mart.pdf (1.100Mb)
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Author/s
P. Candido, Lafayette; J. Gualtieri, Sonia C.; Varela Montoya, Rosa MaríaAuthority UCA; Torres Martínez, AscensiónAuthority UCA; González Molinillo, José MaríaAuthority UCA; Macías Domínguez, Francisco AntonioAuthority UCA
Date
2016-03
Department
Química Orgánica
Source
Chem. Biodiversity 2016, 13, 1058 – 1067
Abstract
Despite the increase in recent decades in herbicide research on the potential of native plants, current knowledge is considered to be low. Very few studies have been carried out on the chemical profile or the biological activity of the Brazilian savanna (Cerrado) species. In the study reported here, the allelopathic activity of AcOEt and MeOH extracts of leaves, stems, and roots from Ocotea pulchella NEES was evaluated. The extracts were assayed on etiolated wheat coleoptiles. The AcOEt leaf extract was the most active and this was tested on standard target species (STS). Lycopersicon esculentum and Lactuca sativa were the most sensitive species in this test. A total of eleven compounds have been isolated and characterized. Compounds 1, 2, 4, and 6 have not been identified previously from O. pulchella and ocoteol (9) is reported for the first time in the literature. Eight compounds were tested on wheat coleoptile growth, and spathulenol, benzyl salicylate, and benzyl benzoate showed the highest activities. These compounds showed inhibitory activity on L. esculentum. The values obtained correspond to the activity exhibited by the extract and these compounds may therefore be responsible for the allelopathic activity shown by O. pulchella.
Subjects
Ocotea pulchella; Ocoteol; allelopathic activity; cerrado; allelochemicals
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  • Artículos Científicos [4216]
  • Artículos Científicos INBIO [242]
  • Articulos Científicos Quim. Org. [158]
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
This work is under a Creative Commons License Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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