Spatial chemometric analyses of essential oil variability in Eugenia dysenterica
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Data
2013-04
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Resumo
Chemovariations in essential oils were used for studying the spatial chemical structure of
eight E. dysenterica populations in Central Brazilian Cerrado. Previously, multivariate Mantel
autocorrelogram and chemical matrix variation partitioning, using the spatial and environmental
data sets as predictors, have suggested a highly significant spatial variation in essential oils. In the
present study, spatial chemometric methods using variograms and probability maps detected and
characterized the spatial chemical structure among populations, as well as the environmental
factors responsible for them. All these strategies indicated that the populations differ chemically
whenever the geographical distance exceeds 120 km, an indicator of the minimal distance between
samples required for conserving the genetic diversity of populations. Although being scarcely used
with secondary metabolites, these methodologies may be used in a wide range of applications in
species management and may lead to an effective integration of genetic, chemical and ecological
perspectives.
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Eugenia dysenterica, Essential oil, Chemovariations, Variogram, Apatial variation
Citação
VILELA, Eliane C. et al. Spatial chemometric analyses of essential oil variability in Eugenia dysenterica. Journal of the Brazilian Chemical Society, Campinas, v. 24, n. 5, p. 873-879, Apr. 2013.