Essential oils of toona and cedrela species (Meliaceae): taxonomic and ecological implications
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Data
2000
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Resumo
The essential oils of Toona ciliata, Cedrela odorata and C. fissilis have been analysed by GC-
MS. Cedrela contains the main sesquiterpenes formed from the cis- and trans-farnesyl pyrophosphate.
In contrast, Toona tend to produce mainly sesquiterpenes formed from the trans-precursor. These
results show that the affiliation of Toona in the tribe Cedreleae together with Cedrela is still rather
problematic. Mean electroantennogram responses (EAGs) to the essential oils from T. ciliata and C.
odorata, in Hypsipyla grandella females were significantly greater than those obtained for males,
suggesting that females would use attractant odours messages from the host-plant (genera of
Swietenioideae) as search strategy behaviour for habitat location and oviposition.
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Meliaceae, Electroantennogram, Essential oil, Chemotaxonomy, Gas chromatography- electroantennographic detection
Citação
MAIA, Beatriz H. L. N. S. et al. Essential oils of toona and cedrela species (Meliaceae): taxonomic and ecological implications. Journal of the Brazilian Chemical Society, São Paulo, v. 11, n.6, p. 629-639, Nov./Dec. 2000.