Now showing items 11-19 of 19
Determination of Catechin Diastereomers from the Leaves of Byrsonima species Using Chiral HPLC-PAD-CD
(Chirality, 2010-08-01) [Artigo]
When catechins are found in plant extracts, they are almost always identified as catechin and/or epicatechin probably due to stereoselectivity of the enzymes involved in the biosynthesis of these substances. However, the ...
Determinação de corantes marcadores do tipo azo e antraquinona em combustíveis por cromatografia líquida com detecção eletroquímica
(Química Nova, 2010-01-01) [Artigo]
An analytical method based on high-performance liquid chromatography with electrochemical detection has been developed and applied to the determination of Solvent blue 14 (SA-14) and Solvent red 24 (SV-24) in fuel samples. ...
Mutagenicity and chemopreventive activities of Astronium species assessed by Ames test
(Regulatory Toxicology And Pharmacology : Rtp, 2015) [Artigo]
In the neotropical savannah, Astronium species are used in popular medicine to treat allergies, inflammation, diarrhea and ulcers. Given that natural products are promising starting points for the discovery of novel ...
Nanostructured lipid system as a strategy to improve the anti-Candida albicans activity of Astronium sp
(International Journal Of Nanomedicine, 2015) [Artigo]
The genus Astronium (Anacardiaceae) includes species, such as Astronium fraxinifolium, Astronium graveolens, and Astronium urundeuva, which possess anti-inflammatory, anti-ulcerogenic, healing, and antimicrobial properties. ...
Terminalia catappa L.: A medicinal plant from the Caribbean pharmacopeia with anti-Helicobacter pylori and antiulcer action in experimental rodent models
(Journal Of Ethnopharmacology, 2015-01-15) [Artigo]
Ethnopharmacological relevance: Terminalia catappa L. (Combretaceae) is a medicinal plant listed as a pharmacopeia vegetable from Caribbean to treat gastritis. The objective of this study was to evaluate the gastroprotective ...
Quantification of Flavonoids, Naphthopyranones and Xanthones in Eriocaulaceae Species by LC-PDA
(American Journal of Analytical Chemistry, 2012) [Artigo]
The linearity, stability, accuracy and inter-day precisions of the assay method were evaluated in methanolic aerial-part extracts of Paepalanthus giganteus and Syngontnhus nitens from the Eriocaulaceae family. Their small ...
Coumarins from Brosimum gaudichaudii
(Journal of Natural Products, 1993-03-01) [Artigo]
The new coumarin, (+)-(2'S,3'R)-3-hydroxymarmesin , was isolated from the aqueous fraction of the EtOH extract of the root bark of Brosimum gaudichaudii (Moraceae).
Antinociceptive, anti-inflammatory and gastroprotective effects of a hydroalcoholic extract from the leaves of Eugenia punicifolia (Kunth) DC. in rodents
(Journal of Ethnopharmacology, 2014-11-18) [Artigo]
Ethnopharmacological relevance: An ethnopharmacological survey indicated that leaves from Eugenia punicifolia (Kunth) DC. (Myrtaceae) are popularly used as a natural therapeutic agent to treat pain and inflammation. Aim ...
Photo-Fenton degradation of the herbicide tebuthiuron under solar irradiation: Iron complexation and initial intermediates
(Water Research, 2010-06-01) [Carta]
The complexation of iron ions with the herbicide tebuthiuron (TBH), during a solar photo-Fenton process, was investigated using cyclic voltammetry with a glassy carbon electrode. An oxidation peak was observed at +0.64 V ...