Results: 35

Propriedades e usos da cúrcuma

A Cúrcuma (Curcuma longa) é uma planta originária do sudoeste asiático, que faz parte da família Zingiberaceae. É uma erva amarga, adstringente, com cheiro característico e forte cor amarela e que cujas raízes (rizomas) secas e maceradas têm sido utilizadas atualmente como corante e condimento p...

Characterization of Seed Oils of Pterodon emarginatus Vogel (Sucupira) Obtained by Different Extraction Methods

Abstract The present study aims to evaluate the influence of extraction methods on the quality of bioactive compounds and antioxidant capacity in Pterodon emarginatusVogel (sucupira) oils. The oils were extracted from the sucupira seeds by Soxhlet and by the extraction system of Bligh & Dyer. The oil...

Efecto analgésico, caracterización fitoquímica y análisis toxicológico del extracto etanólico de hojas de pereskia lychnidiflora

RESUMEN Objetivo Evaluar el efecto analgésico del extracto etanólico de las hojas de Pereskia lychnidiflora, la prospección de metabolitos secundarios y el análisis toxicológico. Materiales y métodos La actividad analgésica fue evaluada mediante la prueba del ácido acético y la formalina en ...

Biological screening of extracts from leaf and stem bark of Croton floribundus Spreng. (Euphorbiaceae)

Braz. j. biol; 78 (4), 2018
Abstract This work describes the preliminary evaluation of cytotoxic, antimicrobial, molluscicidal, antioxidant and anticholinesterase activities from leaf (LECF) and stem bark alcoholic extracts (BECF) of the species Croton floribundus Spreng. (Euphorbiaceae), popularly known as capixingui or tapixingui...

Guava: phytochemical composition of a potential source of antioxidants for cosmetic and/or dermatological applications

ABSTRACT Guava (Psidium guajava L.) is a native fruit of the American tropics with commercial applications for its taste, flavor and aroma. Numerous pharmacological uses have been described for it, such as the antiseptic effect of its leaves, the use of the fresh fruit and tea from its leaves for the tre...

Assessment of the antiproliferative and antigenotoxic activity and phytochemical screening of aqueous extracts of Sambucus australis Cham. & Schltdl. (ADOXACEAE)

An. acad. bras. ciênc; 89 (3,supl), 2017
ABSTRACT The purpose of this study was to evaluate the antiproliferative and antigenotoxic activity of Sambucus australis Cham. & Schltdl. aqueous extracts on the cell cycle of Allium cepa L. as well as determine the phenolic compounds in such extracts. S. australis inflorescences and leaves of two a...

In vitro antioxidant activity and qualitative phytochemical analysis of two Vismia (Hypericaceae) species collected in Los Andes, Venezuela

Rev. biol. trop; 64 (4), 2016
Abstract:Vismia genus is distributed mainly in tropical and subtropical regions of Central, South America and some areas of Africa. According to previous investigations, antioxidant potential of Vismia species might be related to anthrones, anthraquinones, flavonoids and phenol derivatives biosynthesized...

Actividad antioxidante del extracto etanólico de partes aéreas de Loricaria ferruginea (Ruiz & Pav) Wedd
Antioxidant effect of Loricaria ferruginea (Ruiz & Pav.) Wedd. Aerial parts ethanolic extract

Rev. peru. med. integr; 1 (4), 2016
Objetivo: Determinar la actividad antioxidante en partes aéreas (hojas, tallos y flores) de la especie Loricaria ferruginea Ruiz & Pav. Wedd. Material y Método: El material vegetal fue recolectado en la quebrada de Llaca, Provincia de Huaraz, Región Ancash. Los extractos se obtuvieron utilizando el m...

Phytoconstituents from Sidastrum micranthum (A. St.-Hil.) Fryxell (Malvaceae) and antimicrobial activity of pheophytin a

Braz. j. pharm. sci; 51 (4), 2015
abstract Sidastrum micranthum (A. St.-Hil.) Fryxell, a member of the Malvaceae family, is called malva preta in Brazil. As this species is commonly used to treat bronchitis, cough, and asthma, better knowledge of its chemical compounds is important. The phytochemical study of its hexane extract, using ch...

Evaluación fitoquímica y actividad antimicrobiana de tessaria integrifolia, recurso medicinal del Perú

La leishmaniasis cutánea o “uta” es una enfermedad producida por Leishmania peruviana y transmitida en la picadura de diversas especies de mosquitos del género Lutzomyia; su terapia se basa en el uso de fármacos antimoniales pentavalentes como el estibogluconato de sodio y antimoniato de meglumine...