Now showing items 1-10 of 384
Trypanocidal activity of Brazilian plants against epimastigote forms from Y and Bolivia strains of Trypanosoma cruzi
(Revista Brasileira de Farmacognosia, 2012-06-01) [Artigo]
Chagas disease is one of the main public health problems in Latin America. Since the available treatments for this disease are not effective in providing cure, the screening of potential antiprotozoal agents is essential, ...
Validated high-performance liquid chromatographic method for the standardisation of Ptychopetalum olacoides Benth., Olacaceae, commercial extracts
(Revista Brasileira de Farmacognosia, 2010-11-01) [Artigo]
Ptychopetalum olacoides Benth., Olacaceae, popularmente conhecida como marapuama, muirapuama ou miriantã, é uma espécie nativa da região da Amazônia do Brasil. Extratos das cascas da planta são tradicionalmente usados por ...
Strontium zirconate heterogeneous catalyst for biodiesel production: Synthesis, characterization and catalytic activity evaluation
(Applied Catalysis A: General, 2012-11-28) [Artigo]
Strontium zirconate oxide was synthesized by co-precipitation and the citrate route and was evaluated as a heterogeneous catalyst for biodiesel production. The catalyst samples were characterized by XRD, FTIR, and TG, and ...
Strategy for cloning of oxidosqualene cyclases from Maytenus ilicifolia
(FEBS Journal, 2012-09-01) [Resumo]
Development and validation of a HPLC method for standardization of herbal and commercial extracts of Myrcia uniflora
(Revista Brasileira de Farmacognosia, 2011-06-01) [Artigo]
Myrcia uniflora Barb. Rodr., Myrtaceae, popularly known as pedra-hume-caá in Brazil, is sold as dry extracts in capsules or as tinctures for the treatment of diabetes mellitus. Previous phytochemical studies on this species ...
Chemical and antifungal investigations of six Lippia species (Verbenaceae) from Brazil
(Planta Medica, 2012-08-01) [Resumo]
Rapid determination of furosemide by combined spot test/diffuse reflectance spectroscopy to detect doping in sport
(Microchemical Journal, 2013-07-01) [Artigo]
This paper describes the development and application of a simple, cheap, and clean method for the quantification of furosemide in urine samples from athletes, to detect doping, using a combined spot test/diffuse reflectance ...
Development of a sensitive potentiometric sensor for determination of fumaric acid in powdered food products
(Food Chemistry, 2012-09-01) [Artigo]
A new potentiometric sensor, namely, Pt vertical bar Hg vertical bar Hg-2 FUM vertical bar graphite, where FUM represents the fumarate ion was developed for the measurement of fumaric acid in foods. The characteristics, ...
Antiprotozoal Sesquiterpene Pyridine Alkaloids from Maytenus ilicifolia
(Journal of Natural Products, 2012-05-01) [Artigo]
As part of a bioprospecting program aimed at the discovery of antiprotozoal agents from the Brazilian flora, two new sesquiterpene pyridine alkaloids, ilicifoliunines A (1) and B (2), along with the known alkaloids ...
Xylarenones C-E from an Endophytic Fungus Isolated from Alibertia macrophylla
(Journal of Natural Products, 2011-06-01) [Artigo]
Xylarenones C-E (2-4), three new eremophilane sesquiterpenes, have been isolated from solid substrate cultures of a Camarops-like endophytic fungus isolated from Alibertia macrophylla. The structures were elucidated by ...