Chemovariations in Hypenia essential oils under infrageneric and phenological influences
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2022
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The essential oils (EOs) of six Hypenia species that are endemic in the central Brazilian Cerrado were assessed by GC/MS and chemometric analysis. EO variations according to two taxonomic sections, combined with two phenophases (vegetative and reproductive), showed that 23.2% of total variance was explained by such predictors. Variation partitioning showed that the largest pure contribution was attributed to section (43.7%), followed by phenophase (39.3%), with 17% of joint influence. A multivariate regression tree (MRT) indicated that 13 EO constituents may be potential chemomarkers for distinguishing sections and two developmental stages in the genus.
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Brazilian, Cerrado, Hyptidinae, Chemosystematics, Phenology
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JESUS, Camila Fernandes de et al. Chemovariations in Hypenia essential oils under infrageneric and phenological influences. Natural Product Research, London, v. 36, n. 15, p. 4017-4020, 2022. DOI: 10.1080/14786419.2021.1895150. Disponível em: https://www.tandfonline.com/doi/full/10.1080/14786419.2021.1895150. Acesso em: 11 jul. 2024.