Results: 22

Evaluación de la actividad anti-inflamatoria de propóleos chileno sobre cortes histológicos de orejas de ratón

Int. j. morphol; 36 (1), 2018
RESUMEN: El propóleos es un producto resinoso complejo producido por las abejas Apis mellifera, el cual posee diversas actividades biológicas como inmunomodulador, antiinflamatorio, anticancerígeno, antiviral, antibacteriano, antioxidante, entre otros. El propósito del siguiente estudio fue realizar ...

High temperature and UV-C treatments affect stilbenoid accumulation and related gene expression levels in Gnetum parvifolium

Background: Gnetum parvifolium stems and roots have been used for a long time in traditional Chinese medicines. Stilbenes are bioactive compounds present in G. parvifolium plants, and they possess antioxidative and anticancer properties. However, little is known about the responses of G. parvifolium stil...

Combined bioactive approach over atherosclerosis risk biomarkers

Atherosclerosis, one major cause of morbidity and mortality worldwide, is a complex and multifactorial disease that involves three mainly conditions: chronic inflammation, dyslipidemia and oxidative stress. Although statins are the first-line therapy for LDL cholesterol (LDL-C) lowering, the efficacy of ...

Seasonal behavior of Thalassia testudinum (Hydrocharitaceae) metabolites

Rev. biol. trop; 64 (4), 2016
Abstract:The marine angiosperm Thalassia testudinum, commonly known as turtle grass, is a dominant sea- grass that grows in the Caribbean Sea shelf associated to Syringodium filiforme. The hydroalcoholic extract of T. testudinum is rich in polyphenols; the most abundant metabolite in this extract is thal...

Concentraciones de alcaloides, glucósidos cianogénicos, polifenoles y saponinas en plantas medicinales seleccionadas en Ecuador y su relación con la toxicidad aguda contra Artemia salina

Rev. biol. trop; 64 (3), 2016
ResumenEntre los principales compuestos químicos sintetizados por las plantas, pero considerados no esenciales para su metabolismo básico, están los alcaloides, los polifenoles, los glucósidos cianogénicos y las saponinas que tienen diversas funciones en las plantas y reconocidas propiedades medicin...

Efecto de las diferentes fuentes de polifenoles sobre la eficiencia de liberación de ácido elágico por Aspergillus niger
Effect of different polyphenol sources on the efficiency of ellagic acid release by Aspergillus niger

Rev. argent. microbiol; 48 (1), 2016
Fungal hydrolysis of ellagitannins produces hexahydroxydiphenic acid, which is considered an intermediate molecule in ellagic acid release. Ellagic acid has important and desirable beneficial health properties. The aim of this work was to identify the effect of different sources of ellagitannins on the e...

The main potentialities of resveratrol for drug delivery systems

Braz. j. pharm. sci; 51 (3), 2015
Resveratrol (RSV), a natural polyphenol found in grapes, was found to be effective in the prevention and therapy of several diseases, however, it does have unfavourable physicochemical properties. In this context, an increasing number of studies have aimed at developing novel therapeutic systems for its ...

Polifenóis totais e flavonoides em amostras de chá verde (Camellia sinensis L. ) de diferentes marcas comercializadas na cidade de Salvador-BA

Rev. bras. plantas med; 17 (3), 2015
RESUMO Camellia sinensis é amplamente conhecida por seus efeitos benéficos à saúde humana. Dentre as diversas formas de processamento desta erva, o chá verde e chá preto são os mais populares. Neste trabalho objetivou-se avaliar os teores de fenólicos totais e flavonoides em amostras de 25 difere...

Atividade gastroprotetora do extrato etanólico de Pavonia alnifolia A. St. -Hil

Rev. bras. plantas med; 17 (3), 2015
RESUMO No Brasil, a família Malvaceae está representada por aproximadamente 200 espécies e algumas foram descritas como gastroproteroras. Pavonia alnifolia A.St.-Hil. (Malvaceae) foi selecionada após uma abordagem quimiossistemática, considerando-se sua potencial capacidade em prevenir lesões g...

Hypotensive effect and endothelium-dependent vascular action of leaves of Alpinia purpurata (Vieill) K. Schum

Braz. j. pharm. sci; 50 (2), 2014
The aims of this study were to evaluate the chemical profile, vascular reactivity, and acute hypotensive effect (AHE) of the ethanolic extract of leaves of Alpinia purpurata (Vieill) K. Schum (EEAP). Its chemical profile was evaluated using HPLC-UV, ICP-OES, and colorimetric quantification of total flavo...