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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Insect antifeedant compounds from Nothofagus dombeyi and N. pumilio.

A bioassay-guided purification of the extracts of Nothofagus dombeyi and N. pumilio leaves yielded several triterpenes and flavonoids including 2-O-acetylmaslinic acid, 3-O-acetyl 20,24,25-trihydroxydammarane, and 3,20,24,25-tetrahydroxydammarane as new natural products. All the isolated compounds were assessed for antifeeding activity against the 5th instar larvae of Ctenopsteustis obliquana. 12-Hydroxyoleanolic lactone and pectolinarigenin from N. dombeyi and dihydrooroxylin A from N. pumilio, showed significant antifeeding activity.[1]


  1. Insect antifeedant compounds from Nothofagus dombeyi and N. pumilio. Thoison, O., Sévenet, T., Niemeyer, H.M., Russell, G.B. Phytochemistry (2004) [Pubmed]
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