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HPLC-ESI-MS/MS analysis of oxidized di-caffeoylquinic acids generated by metalloporphyrin-catalyzed reactions
(Sociedade Brasileira de Química, 2008)
This paper reports an HPLC-ESI-MS/MS investigation on the oxidation of 3,5- and 4,5- dicaffeoylquinic acid using iron(III) tetraphenylporphyrin chloride as catalyst. Two major mono-oxidised products of the quinic acid ...
LC-MSn analysis of the cis isomers of chlorogenic acids
(ELSEVIER SCI LTD, 2008)
The behaviour of cis isomers of selected mono- and di-acyl chlorogenic acids produced by UV-irradiation has been investigated by LC-MSn. cis Isomers fragment identically to the more common trans isomers. cis-5-Acyl chlorogenic ...
Prospecção fitoquímica e atividade biológica de plantas medicinais da família asteraceae do bioma pampa
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2012-04-09)
The species selected for this study were: Pluchea sagittalis, Baccharis
pentodonta and Baccharidastrum triplinervium, all belonging to the Asteraceae
family. The extracts and fractions from leaves and roots of three species ...
Identification of the antimicrobial substances produced by Solanum palinacanthum (Solanaceae)
(Academia Brasileira de Ciências, 2008-09-01)
Com vistas a descobrir antimicrobianos de origem natural para uso terapêutico ou para a preservação de alimentos, o extrato metanólico das partes aéreas de Solanum palinacanthum foi submetido a fracionamentos direcionados ...
Identification of the antimicrobial substances produced by Solanum palinacanthum (Solanaceae)
(Academia Brasileira de Ciências, 2014)
Effects of Caffeoylquinic Acid Derivatives and C-Flavonoid from Lychnophora ericoides on in vitro Inflammatory Mediator Production
(NATURAL PRODUCTS INC, 2010)
In this study we aimed at evaluating the effect of the major polar constituents of the medicinal plant Lychnophora ericoides on the production of inflammatory mediators produced by LPS-stimulated U-937 cells. The ...