Results: 275

Preservation of phenolic compounds on dried leaf infusion of Bauhinia forficata Link

Abstract Bauhinia forficata Link aqueous extract is usually recommended as a phytomedicine to reduce blood glucose levels and its biological activity has been linked to the presence of phenolic compounds from B. forficata preparations. Several drying processes are used in the production of dry herbal ext...

Anti-hyperglycemic fraction from Alternanthera sessilis L. leaves gets elucidated following bioassay-guided isolation and mass spectrometry

Abstract The anecdotal use of Alternanthera sessilis L. as a relief for diabetes has been known in the Philippines for generations, and antidiabetic activity of similar varieties in other countries is likewise documented. However, the compounds responsible for this activity remain unclear. This study aim...

Glyphosate-resistant hairy fleabane (Conyza bonariensis) exhibits a larger number of trichomes and altered stomatal density relative to the susceptible counterpart

Biosci. j. (Online); 39 (), 2023
Following the adoption of Roundup Ready crops, glyphosate spraying frequency increased, while the use of other herbicide modes of action was neglected. Herbicide-resistant biotypes were reported in three major Conyza species in Brazil, including Conyza bonariensis, increasing growers’ bottom line. Cons...

Monteverdia ilicifolia: um protetor gástrico

Monteverdia ilicifolia, conhecida popularmente como espinheira-santa, é uma planta da família Celastraceae de relevante ação terapêutica devido às suas propriedades medicinais, principalmente a sua atividade gastroprotetora, possuindo efeitos comprovados sobre acidez e úlceras estomacais. Desta fo...

Estudo do potencial antiviral sobre o Sars-Cov-2 dos compostos identificados no extrato bruto das folhas de Tetradenia riparia

A COVID-19 surgiu de forma repentina, acometendo milhões de pessoas e causando muitas mortes no mundo todo. Diante disso, torna-se necessário a busca de substâncias bioativas com propriedades antivirais. No Brasil, a espécie Tetradenia riparia foi inserida como planta ornamental exótica, com aroma i...

Estudo do potencial antiviral sobre Sars Cov-2 dos compostos identificados nas folhas do extrato bruto de Eugenia pyriformis

Eugenia pyriformis Cambess (Myrtaceae), conhecida popularmente como uvaia. Em seus frutos são encontrados compostos fenólicos com ação antioxidante e nas folhas foram detectados altos teores de flavonoides e taninos hidrolisados que se mostraram inibidor da protease de 2019 - nCoV e SARS-CoV. Neste s...

Análisis fitoquímico preliminar y actividad antifúngica In vitro del extracto etanólico de las hojas de Solanum hispidum pers. Colectadas en la localidad Obraje - Perú

RESUMEN Objetivo . Analizar y determinar la actividad antifúngica in vitro del extracto etanólico de las hojas de Solanum hispidum Pers. Materiales y métodos . Se realizó el análisis fitoquímico preliminar cualitativo mediante reacciones de color y precipitación. Se investigó la actividad antif...

Cytotoxic activity of ethanolic extracts of Lippia graveolens HBK leaves and stem against lung cancer cell line SK-LU-1

Lippia graveolens HBK (Verbenaceae) is an aromatic herb of economic importance in Mexico, known as oregano. The leaves are used as condiments, and people use this species for respiratory and digestive disorders. The aim of this work was to evaluate the cytotoxic effect of eth...

Ethyl acetate partition obtained from the methanol extract of Muntingia calaburaleaf exerts effective in vitroantiproliferative activity against the HT-29 colon cancer

Methanol extract of Muntingia calabura L. leaf (MEMCL) has been shown to exert the antiproliferative activity against the HT-29 (human colon adenocarcinoma) cell line. To further investigate on the medicinal potential of this plant, MEMCL was sequentially partit...

Chemical characterization, antioxidant activity, -amylase and acetylcholinesterase inhibitory potential of Angelica pancicii Vandas ex Velen

Abstract: Comparative study GC - FID /M S of essential oils of fruits, leaves and roots of the endemic plant Angelica pancicii Vandas ex Velen. revealed a significant difference in their chemical composition. The enantiomeric purity of the main component in the fruit oil (+) - β - phellandr...