Auteur Eloisa Helena A. Andrade
Documents disponibles écrits par cet auteur (7)
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Eloisa Helena A. Andrade, Auteur ; Maria das Graças B. Zoghbi, Auteur ; Ana Carla M. Silva, Auteur |The authors obtained the essential oil of the leaves and thin branches of Myrciaria tenella via hydrodistillation and analyzed by GC and GC/MS. The oil of M. tenella was found to be rich in sesquiterpenes, with a predominance of β-caryophyllene [...]
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José Guilherme S. Maia, Auteur ; Eloisa Helena A. Andrade, Auteur ; Léa Maria M. Carreira, Auteur |The leaf and fine stems and the bark oils of Duguetia eximia, D. flagellaris, D. pycnastera, D. riparia and D. trunciflora were obtained by hydrodistillation and analyzed by GC and GC/MS. The main constituents found in the leaf and fine stems oi[...]
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Ana Carla M. Da Silva, Auteur ; Eloisa Helena A. Andrade, Auteur ; Léa Maria M. Carreira, Auteur |The fresh- and dried-leaf oils and the fresh-leaf concentrate of Peperomia serpens were obtained by hydrodistilla-tion and SPME, and analyzed by GC and GC/MS. The main compounds identifed in the hydrodistilled fresh-leaf oil were (Z)-nerolidol a[...]
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José Guilherme S. Maia, Auteur ; Milton Helio L. Da Silva, Auteur ; Eloisa Helena A. Andrade, Auteur |The oils of 14 samples of Lippia glandulosa collected in the “Lavrado” area, Roraima state, North Brazil, were obtained by hydrodistillation and analyzed by GC and GC/MS. Two chemical groups were characterized in the oils, one which was rich in [...]
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Eloisa Helena A. Andrade, Auteur ; Maria das Graças B. Zoghbi, Auteur |The essential oils of the leaves and stems of Piper glandulosissimum collected in the city of Belém (PA), were obtained by hydrodistillation and analyzed by GC and GC/MS. The major components identified in the oils of P. glandulosissimum are car[...]
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Eloisa Helena A. Andrade, Auteur ; Léa Maria M. Carreira, Auteur ; Maria das Graças B. Zoghbi, Auteur |The volatiles of the leaves, stems and flowers of Otacanthus azureus were obtained by hydrodistillation and analyzed by GC and GC/MS. The oils of O. azureus were terpenoid in nature. Among the monoterpenes trans-pinocarveol was the major compone[...]
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Maria das Graças B. Zoghbi, Auteur ; Eloisa Helena A. Andrade, Auteur ; Jorge Oliveira |The volatile constituents from the stems and rhizomes of Cyperus articulatus, cultivated in the state of Pará, Brazil, were obtained by hydrodistillation and analyzed by GC and GC/MS. The major components of these oils were α-pinene (0.7–12.9%),[...]
