El presente estudio describe la estandarización del método para la cuantificación de alcohol en sangre por Cromatografía Gaseosa con Detector de Ionización de llama y espacio de cabeza. La separación del alcohol de una matriz compleja como la sangre fue llevada a cabo de manera exitosa utilizando u...
Essential oils from leaves of Ocotea limae and Ocotea gardneri species were analyzed by GC-FID and GC-MS. The analysis revealed the presence of 48 components accounting for 98.1 ± 1.3% e 98.0 ± 0.5% of the essential oils from the O. limae and O. gardneri, respectively. The oils were characterized by hi...
The chemical constituents and insecticidal activity of essential oil obtained by hydrodistillation of the leaves of Paullinia pinnata Linn (Sapindaceae) are being reported. The essential oil were analysed by using gas chromatography (GC) and gas chromatography coupled with mass spectrometry (GC-MS). Diff...
The chemical composition of the essential oil and carotenoid content of the parasitic plant Cuscuta mitraeformis are described for the first time. The essential oil was analyzed by GC-FID and GC-MS revealing nonanal (24.6%) as the main constituent followed by thymol (16.5%) and eugenol (7.5%). The total ...
Extracts from leaves of C. sylvestris have cytotoxic effect in different tumor cell lines, possibly due to clerodane type diterpenes (casearins). On the other hand, there are few studies related to the antitumor activity of the essential oils from this species. This work evaluated for the first time the ...
The chemical constituents of essential oils obtained by hydrodistillation of the leaves of Atalantia roxburghiana Hook. f. and Tetradium trichotomum Lour., as well as the leaves and fruits of Macclurodendron oligophlebia (Merr.) Hartl. (Rutaceae) are being reported. The essential oils were analysed by us...
O consumo mundial de cocaína vem crescendo e no Brasil já são estimados mais de 2 milhões de usuários, destes 370 mil usam regularmente o crack. A cocaína, em suas diversas formas, é um psicoestimulante com alto potencial de abuso e a forma fumada causa à seus usuários mais complicações de sa...
Abstract The search for new biocatalysts has aroused great interest due to the variety of micro-organisms and their role as enzyme producers. Native lipases from Aspergillus niger and Rhizopus javanicus were used to enrich the n-3 long-chain polyunsaturated fatty acids content in the triacylglycerols of ...
Rodrigues Costa, Adrielle;
Silvino Pereira, Pedro;
Marivando Barros, Luiz;
Duarte, Antônia Eliene;
Vega Gomez, Maria Celeste;
Rolón, Miriam;
Soares Vidal, Carlos Alberto;
Josicleide Maia, Ana;
Bezerra Morais Braga, Maria Flaviana;
Coutinho, Henrique Douglas.
Introdução: as Leishmanioses correspondem a um complexo de doenças tropicais causada por mais de vinte diferentes espécies de protozoários intracelulares pertencentes ao gênero Leishmania. A Doença de Chagas é uma doença que representa um dos principais problemas de saúde pública em vários pa...
Introducción: en algunas poblaciones de la Orinoquia colombiana y/o venezolana venden, en plazas de mercado, los aceites de cascarillo y sasafrás; estos aceites son empleados para aliviar dolencias como artritis reumática, afecciones respiratorias y tratar picaduras de insectos y animales ponsoñosos....
