Auteur Edilberto R. Silveira
Documents disponibles écrits par cet auteur (4)
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Jane Eire S.A. De Menezes, Auteur ; Telma Leda G. Lemos, Auteur ; Edilberto R. Silveira, Auteur |The chemical composition of the essential oils obtained from the fresh leaves of Cordia globosa (Jacq.) H.B.K., at different ontogenetic stages, were analyzed by GC and GC/MS. Twenty-three and 26 volatile constituents were identifed for the oils[...]
Article : texte imprimé
Regina C.M. Dourado, Auteur ; Edilberto R. Silveira, Auteur |The chemical composition of the oils obtained from the leaves of Croton sonderianus from different regions of Ceará State (northeast of Brazil) from the same population at different times were analyzed by GC/MS: α-pinene, myrcene, 1,8-cineole, β[...]
Article : texte imprimé
Nilce V. Gramosa, Auteur ; Edilberto R. Silveira, Auteur |GC/MS analysis of the hydrodistilled essential oils from leaves, root bark, fruit peel, trunk bark, trunk wood, root wood and fruits of Copaifera langsdorffii Desf. obtained in 0.04%, 0.01%, 0.7%, 0.003%, 0.008%, 0.07% and 0.3% yield, respective[...]
Article : texte imprimé
Nilce V. Gramosa, Auteur ; Joao V. B. de Freitas, Auteur ; Edilberto R. Silveira, Auteur |The chemical composition of the leaf oil from Buchenavia capitata (Vahl) Eichl. was examined by gas chromatography (GC-FID) and gas chromatography-mass spectrometry (GC/MS). Seventeen compounds comprising 91.3% of the total peak area were ident[...]
