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Antileishmanial activity of isolated triterpenoids from Pourouma guianensis.
The results indicate that Pourouma guianensis contains many triterpenoids and some, such as ursolic and oleanolic acids, may serve as lead compounds for new antileishmanial drugs, but chemical modifications may be necessary to avoid unselective cytotoxicity.
Kinetin Enhanced Linalool Production by in vitro Plantlets of Lippia alba
Abstract Lippia alba Mill. N. E. Br (Verbenaceae) is an aromatic shrub widely distributed in Brazil where the infusion of its leaves is used in folk medicine due to sedative and antispasmodic
Linalool-Rich Essential Oil from Leaves of Croton cajucara Benth.
Abstract The essential oil from the leaves of Croton cajucara Benth., locally known as sacaca, was analyzed by GC/MS. The major constituents were linalool (41.2%), (E)-nerolidol (12.6%) and
Analysis of the chemical composition of the essential oils extracted from Lippia lacunosa Mart. & Schauer and Lippia rotundifolia Cham. (Verbenaceae) by gas chromatography and gas chromatography-mass
Lippia lacunosa and L. rotundifolia (Verbenaceae) are two Brazilian species of complex taxonomic delimitation. The composition of the essential oils from leaves and flowers of these plants was
Influence of Vacuum Distillation Parameters on the Chemical Composition of a Five-Fold Sweet Orange Oil (Citrus sinensis Osbeck)
Abstract The chemical composition of a five-fold sweet orange oil, Pera variety, prepared by vacuum distillation process has been investigated. The experimental conditions applied were: temperature
High-speed countercurrent chromatography as a valuable tool to isolate C-glycosylflavones from Cecropia lyratiloba Miquel.
A new apigeninglycoside, apigenin 6-C-galactosyl-6"-O-beta-galactopyranoside (1), isoorientin, and a mixture of orientin and isovitexin were isolated from leaves of Cecropia lyratiloba by high-speed
Essential Oil of Rosmarinus officinalis L. (Rosemary) from Rio de Janeiro, Brazil
Abstract The essential oil from fresh leaves of Rosmarinus officinalis L. from Rio de Janeiro, Brazil, was isolated by hydrodistillation and analyzed through a combination of GC and GC/MS. Compounds