Antifeedant and ovicidal activities of a new cassane and other compounds from Oliv. and L. against (Lepidoptera: Gelechiidae).

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ID: 127992
2020
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Abstract
Methanolic extracts of liana of and leaves were found to possess moderate antifeedant and ovicidal activities against . Bioassay-guided isolation of constituents from the most active fraction of led to the identification of four known compounds [isobonducellin and bonducellin , intricatinol , (-)-epigallocatechin-3--gallate ] and one new constituent [welwitschianic acid ]. The most active fraction of afforded two known constituents neocaesalpin L and neocaesalpin A . The isolated structures were elucidated on the basis of their MS, UV, IR and 1 & 2 D NMR spectra and by comparison with literature data. Compounds , - were showed antifeedant and ovicidal properties against some comparable to that of azadirachtin at 50, 100 and 200 ng/µl. Overall, the present study, conclude that the two species of the plant could be a promising source of eco-friendly botanical constituents.
Reference Key
essoung2020antifeedantnatural Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Essoung, Flaure Rosette Ehawa;Mba'ning, Brice Mitterant;Tcho, Alain Tadjong;Chhabra, Sumesh Chander;Mohamed, Samira Abuelgasim;Lenta, Bruno Ndjakou;Ngouela, Silvere Augustin;Tsamo, Etienne;Hassanali, Ahmed;Cox, Russell John;
Journal Natural product research
Year 2020
DOI
10.1080/14786419.2020.1825424
URL
Keywords
oviposition antifeedant caesalpinia bonduc caesalpinia welwitschiana cassanes tuta absoluta flavonoides

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