Auteur Joao V. B. de Freitas
Documents disponibles écrits par cet auteur (3)
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Article : texte imprimé
Nilce V. Gramosa, Auteur ; Joao V. B. de Freitas, Auteur ; Milena B. Barreto, Auteur |The chemical composition of the leaf oil of Mouriri cearensis Hub was examined by gas chromatography (GCFID) and gas chromatography/mass spectrometry (GC/MS). Fifteen compounds comprising 92.9% of the total peak area were identified. Alcohols [...]
Article : texte imprimé
Nilce V. Gramosa, Auteur ; Joao V. B. de Freitas, Auteur ; Manoel N. de Lima Neto, Auteur |Air-dried leaves of Bauhinia ungulata L. were submitted to volatile oil isolation by hydrodistillation to produce an oil in 0.007% yield. The oil obtained was examined by gas chromatography (GC-FID) and gas chromatography/ mass spectrometry (GC[...]
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[...]
