Results: 146

Efecto del Extracto de Maíz Morado "Chicha Morada" durante el blanqueamiento Dental. In vitro

RESUMEN: El resultado del tratamiento de blanqueamiento dental puede verse afectado en pacientes que consumen bebidas pigmentantes durante el tratamiento. El objetivo de este trabajo consistió en valuar el efecto in vitro de la exposición al extracto de maíz morado (chicha morada) sobre el color del e...

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...

Effectiveness of aqueous and hydroalcoholic extracts of Acanthospermum australe (Loefl) Kuntze against diarrhea-inducing bacteria

Braz. j. biol; 78 (4), 2018
Abstract Leaves and roots of Acanthospermum australe (Asteraceae) have been used in Brazilian folk medicine for the treatment of various ailments including diarrhea, skin diseases, blennorrhagia, dyspepsia, parasitic worms and malaria. The aim of study was to characterize the chemical profiles of the aqu...

Effects of Leucaena leucocephala (lamk. ) shoot tips plus young leaf extract containing mimosine on reproductive system of male rats

Int. j. morphol; 36 (3), 2018
This study aimed to determine the mimosine level and examine the male reproductive toxicity effects of Leucaena leucocephala (LL) shoot tips plus young leaf extract. Mimosine level in LL extract was determined by thin layer chromatography before administration in animals. Male rats were divided into cont...

Phenolic content and antibacterial activity of extracts of Hamelia patens obtained by different extraction methods

Braz. j. microbiol; 49 (3), 2018
Abstract Hamelia patens, is a plant traditionally used to treat a variety of conditions among the Huastec people of Mexico. The objective of this study is to characterize the phenolic content and critically examine the antimicrobial activity of leaf extracts H. patens, obtained by maceration, Soxhlet and...

Biocidal effect of a hexane-soluble extract of Lippia graveolens Kunth (Verbenaceae)

Lippia graveolens Kunth (Verbenaceae) is an economically important shrub known in Mexico as Oregano. In this work, the biocidal effect of the hexane extract of L. graveolens leaves was evaluated on two crop pests. Thus, larvae of Spodoptera frugiperda were fed with mixtures of extract and artificial diet...

Variability of phenolic compounds at different phenological stages in two populations of Valeriana carnosa Sm. (Valerianoideae, Caprifoliaceae) in Patagonia

This study analysed the total content of phenolic compounds in roots and rhizomes extracts from two populations of Valeriana carnosa Sm. (Caprifoliaceae) at three phenological stages. Total phenolic content was determined through the Folin-Ciocalteu method, which ranged between individuals from 3.56 to 1...

Evaluation of sample extracting methods of FCSM by Lactobacillus acidophilus based on a UPLC-Q-TOF-MS global metabolomics analysis

Braz. j. microbiol; 49 (2), 2018
Abstract The study of metabolomics requires extracting as many metabolites as possible from a biological sample. This study aimed to determine the optimal method for the extraction of metabolites from solid-state fermented cottonseed meal (FCSM). The UPLC-Q-TOF-MS global metabolomics technology was used ...

Antioxidant capacity of Momordica charantia extract and its protective effect on testicular damage in valproic acid-induced rats

Int. j. morphol; 36 (2), 2018
Although Momordica charantia (MC) has preventive effects on tissue injuries, antioxidant capacity and protective effect of MC pulp and peel (MCP) on valproic acid (VPA)-testicular damage have never been reported. Fresh MCPs were aqueous extracted and determined for antioxidant capacity and momordicine I ...

Identificación y determinación estructural de un sesquiterpeno de las hojas de Tessaria integrifolia Ruiz & Pav. y evaluación de su actividad leishmanicida

RESUMEN Objetivos. Identificar y determinar la estructura del fitoconstituyente de hojas de Tessaria integrifolia Ruiz & Pav con efecto leishmanicida. Materiales y métodos. Se preparó un extracto fluido de hojas de Tessaria integrifolia Ruiz & Pav. que fue concentrado a extracto blando y se...