ABSTRACT The aim of this study was to determine the composition and antioxidant potential of leaves of a new variety of Stevia rebaudiana (Stevia UEM-13). Stevia leaves of UEM-13 contain rebaudioside A as the main glycoside, while most wild Stevia plants contain stevioside. Furthermore can be multiplied ...
Antioxidantes/química,
Antioxidantes/aislamiento & purificación,
Glicósidos/química,
Glicósidos/aislamiento & purificación,
Fenoles/química,
Fenoles/aislamiento & purificación,
Extractos Vegetales/química,
Extractos Vegetales/aislamiento & purificación,
Hojas de la Planta/química,
Stevia/química,
Stevia/clasificación
SILVA, FERNANDO C;
RODRIGUES, VANESSA G;
DUARTE, LUCIENIR P;
LULA, IVANA S;
SINISTERRA, RUBEN D;
VIEIRA-FILHO, SIDNEY A;
RODRIGUES, RODRIGO A L;
KROON, ERNA G;
OLIVEIRA, PATRÍCIA L;
FARIAS, LUIZ M;
MAGALHÃES, PAULA P;
SILVA, GRÁCIA D F.
ABSTRACT Diarrhea is an infectious disease caused by bacterial, virus, or protozoan, and dengue is caused by virus, included among the neglected diseases in several underdeveloped and developing countries, with an urgent demand for new drugs. Considering the antidiarrheal potential of species of Maytenus...
Antibacterianos/aislamiento & purificación,
Antibacterianos/farmacología,
Antidiarreicos/aislamiento & purificación,
Antidiarreicos/farmacología,
Antivirales/aislamiento & purificación,
Antivirales/farmacología,
Línea Celular,
Virus del Dengue/efectos de los fármacos,
Maytenus/química,
Maytenus/clasificación,
Triterpenos Pentacíclicos/aislamiento & purificación,
Triterpenos Pentacíclicos/farmacología,
Extractos Vegetales/farmacología
ABSTRACT Piper aduncum found naturally in the Amazon and southeastern Brazil, is known for its secondary metabolites that have activity on insects. Anticarsia gemmatalis and Spodoptera frugiperda are among the major insect pests associated with agricultural production. This research evaluated the biologi...
Os Antioxidantes são substancias
que retardam o aparecimento de alterações
oxidativas tanto nos seres
vivos como nos alimentos. Quimicamente,
são compostos aromáticos
que contém em sua estrutura, pelo
menos, um grupamento hidroxila.
Estes podem ser naturais ou sintéticos,
sendo o último amplament...
This study evaluated the antimicrobial activity and acute or chronic toxicity of the extract of Stryphnodendron adstringens. The stem bark dry extract was obtained by static maceration with ethanol. Quantification of tannins was performed by the Folin-Denis method, which indicated a total tannin content ...
An aqueous leaf extract of the medicinal species Kalanchoe gastonis-bonnieri (here denominated KGB) has been found to be effective as an antimicrobial agent against canine oral cavity bacteria in in vitro assays. In this study, we investigated the effect of topic oral administration of KGB on the develop...
Higher plants have provided various natural derived drugs used currently in western medicine. Tessaria absinthioides (Hook. & Arn.) DC, Asteraceae, is a native plant from South-America with reported ethnopharmacological and culinary uses. Despite recent scientific reports about plants properties, there i...
Antineoplásicos Fitogénicos/farmacología,
Antineoplásicos Fitogénicos/uso terapéutico,
Asteraceae/química,
Línea Celular Tumoral,
Neoplasias Colorrectales/tratamiento farmacológico,
Neoplasias Colorrectales/patología,
Modelos Animales de Enfermedad,
Fluorouracilo,
Ratones Endogámicos BALB C,
Extractos Vegetales/farmacología,
Extractos Vegetales/uso terapéutico,
Ratas Sprague-Dawley,
Sales de Tetrazolio,
Pruebas de Toxicidad
Abstract: We report an 80-year-old male patient with severe rheumatoid arthritis who was treated with tripterygium glycoside, an immunosuppressive agent made from the extract of a Chinese medicinal herb called Tripterygium wilfordii Hook F. The patient had no apparent skin lesions before the treatment, b...
Abstract The halophyte species Plantago coronopus has several described ethnomedicinal uses, but few reported biological activities. This work carried out for the first time a comparative analysis of P. coronopus organs in terms of phenolic composition and antioxidant activity of organic and water extrac...
Abstract Impaired wound healing represents a serious complication in some pathologies and the use of plant extracts has proved to improve tissue repair. The objectives of this study were to evaluate the healing potential of the ointment of Sebastiana hispida compared with Aluminum-Gallium Indium-Phosphid...
Euphorbiaceae,
Terapia por Luz de Baja Intensidad,
Pomadas,
Fitoterapia,
Extractos Vegetales/uso terapéutico,
Hojas de la Planta,
Ratas Wistar,
Cicatrización de Heridas/efectos de los fármacos,
Cicatrización de Heridas/fisiología,
Cicatrización de Heridas/efectos de la radiación,
Heridas Penetrantes/terapia
