Now showing items 1-10 of 2877
OCHRATOXIN-A DETERMINATION BY HPLC WITH FLUORESCENCE DETECTION (HPLC-FL): A NEW STANDARDIZATION METHOD FOR WHEAT SAMPLES
(Sociedad Chilena de Nutrición, Bromatología y Toxicología, 2010)
Online identification of chlorogenic acids, sesquiterpene lactones, and flavonoids in the Brazilian arnica Lychnophora ericoides Mart. (Asteraceae) leaves by HPLC-DAD-MS and HPLC-DAD-MS/MS and a validated HPLC-DAD method for their simultaneous analysis
(AMER CHEMICAL SOC, 2008)
Lychnophora ericoides Mart. (Asteraceae, Vernonieae) is a plant, endemic to Brazil, with occurrence restricted to the ""cerrado"" biome. Traditional medicine employs alcoholic and aqueous-alcoholic preparations of leaves ...
Antifungals and acetylcholinesterase inhibitors from the stem bark of Croton heliotropiifolius
(Elsevier B.V., 2014-12-01)
The ethanolic extract of the stem bark of Croton heliotropiifolius Kunth (Euphorbiaceae) showed significant in vitro inhibition of acetylcholinesterase using a dilution spectrophotometric assay and antifungal activity ...
Comparison of Impurity Profiles of Lipiblock (R) vs. Orlistat using HPLC and LC-MS/MS
(Colegio Farmaceuticos Provincia de Buenos Aires, 2012-02-01)
Comparative HPLC-UV and LC-MS/MS studies of impurity profiles of a reference sample (Xenical (R), F. Hoffmann La Roche Ltd., Switzerland) vs. generic (Lipiblock (R), EMS Sigma Pharma, a generic drug) were carried out with ...
Direct identification of phenolic constituents in Fabiana imbricata infusions by HPLC-DAD and HPLC-MSN
(INFORMA HEALTHCARE, TELEPHONE HOUSE, 69-77 PAUL STREET, LONDON EC2A 4LQ, ENGLAND, 2012)
AN HPLC-UV AND HPLC-ESI-MS BASED METHOD FOR IDENTIFICATION OF ANTI-INFLAMMATORY TRITERPENOIDS FROM THE EXTRACTS OF UGNI MOLINAE
(COOPERACINN LATINOAMERICANA Y CARIBEÑA EN PLANTAS MEDICINALES Y AROMATICAS, 2013)
Extração por fluido supercrítico de alguns inseticidas carbamatos em amostras de batata, com determinação por HPLC/fluorescência e confirmação por HPLC/espectrometria de massas
(Sociedade Brasileira de Química, 2002-05-01)
Six supercritical fluid extraction (SFE) methods were tested, by varying the following operational parameters: CO2 pressure, time and temperature of extraction, type and proportion of static modifier, and Hydromatrix®/sample ...
Development and validation of a HPLC method for standardization of herbal and commercial extracts of Myrcia uniflora
(Sociedade Brasileira de Farmacognosia, 2011-06-01)
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 ...
An HPLC-PAD method to analyse flavonoid glycosides and styrylpyrones from Cryptocarya species (Lauraceae)
An HPLC-PAD method has been developed in order to evaluate simultaneously the main secondary metabolites, flavonoid glycosides and styrylpyrones, of leaves of Cryptocarya moschata. The sample preparation, consisting of ...
Determination of anthocyanins from camu-camu (Myrciaria dubia) by HPLC-PDA, HPLC-MS, and NMR
(Amer Chemical SocWashingtonEUA, 2005)