Chloroform extract (CE) and fractions obtained from Aldama arenaria roots were evaluated for their in vitro antiproliferative activity against 10 human tumor cell lines [leukemia (K-562), breast (MCF-7), ovary expressing a multidrug-resistant phenotype (NCI/ADR-RES), melanoma (UACC-62), lung (NCI-H460), ...
Plectranthus/química,
Proliferación Celular/efectos de los fármacos,
Línea Celular Tumoral/efectos de los fármacos,
Técnicas In Vitro,
Etnobotánica,
Extractos Vegetales/farmacología,
Extractos Vegetales/química,
Cuba,
Diterpenos/farmacología,
Diterpenos/química,
Cloroformo
The Brazilian flora is known for its vast biodiversity; however, many species have been still little studied regarding to their chemical composition and biological potential. Thus, this study aimed to determine the antimicrobial, antioxidant and acaricidal activity of the extracts of leaves o...
Extractos Vegetales/farmacología,
Zanthoxylum,
Antiinfecciosos/farmacología,
Antioxidantes/farmacología,
Acaricidas/farmacología,
Salmonella enterica/efectos de los fármacos,
Ácaros/efectos de los fármacos,
Hojas de la Planta,
Extractos Vegetales/química,
Zanthoxylum/química,
Pruebas de Sensibilidad Microbiana
Paracetamol (PCM) overdose can cause hepatotoxicity with oxidative stress; the present study was carried out to establish the possible protective effect of olive leaves extract (OLE) on toxicity induced by paracetamol in adult male rats. Twenty four adult male rats were divided into four equal groups; co...
Acetaminofén/toxicidad,
Olea,
Estrés Oxidativo/efectos de los fármacos,
Antioxidantes/farmacología,
Oxidantes,
Extractos Vegetales/farmacología,
Enfermedad Hepática Inducida por Sustancias y Drogas/prevención & control,
Medicamentos Hepatoprotectores,
Hojas de la Planta,
Extractos Vegetales/química,
Hígado/patología,
Hepatocitos/efectos de los fármacos,
Distribución Aleatoria,
Ratas Endogámicas,
Ratas Wistar
Solidago chilensis Meyen (= Solidago microglossa) popularly known as "Brazilian arnica" is used to treat of inflammatory disorders. S. chilensis is constant in the Therapeutic Memento of the Rio de Janeiro city and belongs to the medicinal species of Brazilian National List of Medicinal Plants of Interes...
ABSTRACT BACKGROUND: Vegetables have some beneficial effects on human health due to their antioxidant compounds, like polyphenols. Cooking leads to many physical and chemical changes to plant structure that can alter the phytochemical compounds of vegetables. OBJECTIVES: To investigate the effects of...
Allium/química,
Antioxidantes/análisis,
Brassica/química,
Manipulación de Alimentos/métodos,
Conservación de Alimentos/métodos,
Congelación,
Ajo/química,
Calefacción,
Técnicas In Vitro,
Malondialdehído/análisis,
Valor Nutritivo,
Cebollas/química,
Extractos Vegetales/química,
Verduras/química
Chemical constituents and biological activities of the aerial parts of Piper erecticaule C.DC. have been studied for the first time. Fractionation and purification of the extracts afforded aristolactam AII (1), aristolactam BII (2), piperolactam A (3), piperolactam C (4), piperolactam D (5), together wit...
Piper/química,
Extractos Vegetales/química,
Alcaloides/farmacología,
Alcaloides/química,
Aporfinas/farmacología,
Aporfinas/química,
Lactamas/química,
Alcaloides Indólicos/química,
Terpenos/aislamiento & purificación,
Acetilcolinesterasa/efectos de los fármacos,
Inhibidores de la Colinesterasa/farmacología,
Inhibidores de la Colinesterasa/química
BACKGROUND: Microalgae are aquatic chlorophyll-containing organisms comprising unicellular microscopic forms, and their biomasses are potential sources of bioactive compounds, biofuels and food-based products. However, the neuroprotective effects of microalgal biomass have not been fully explored. In thi...
Chlorella/química,
Antioxidantes/farmacología,
Inhibidores de la Colinesterasa/farmacología,
Péptidos beta-Amiloides/antagonistas & inhibidores,
Amiloide/efectos de los fármacos,
Extractos Vegetales/farmacología,
Etanol,
Microalgas,
Biomasa,
Cromatografía de Gases y Espectrometría de Masas,
Fármacos Neuroprotectores,
Enfermedad de Alzheimer/prevención & control,
Fenoles/análisis,
Terpenos/análisis,
Extractos Vegetales/química,
Antioxidantes/química,
Espectroscopía Infrarroja por Transformada de Fourier,
Inhibidores de la Colinesterasa/química,
Esteroides/análisis,
Esteroles/análisis,
Ácidos Grasos/análisis
Background: Rosemary (Rosmarinus officinalis) contains active substances that have desirable properties for industrial and herbal medicine applications, e.g., essential oils (1.5–2.5%), tannins, flavonoids, triterpenes, saponins, resins, phytosterols, rosmarinic acid and many others. The aim of this st...
Rosmarinus/química,
Antioxidantes/química,
Inhibidores de la Colinesterasa,
Sustitutos de Grasa,
Productos de la Carne,
Hígado,
Extractos Vegetales/química,
Aceites Volátiles,
Peróxidos,
Ácidos Grasos/análisis,
Productos de la Carne/microbiología,
Análisis de Componente Principal
The content of certain metals in 13 medicinal teas made from 16 plant species was measured by flame photometer and atomic absorption spectrometer with flame methods. The measurements were evaluated against metal intake levels recommended by health authorities. The results indicate that the medicinal teas...
Resumo A integração entre os níveis de atenção é um desafio contínuo mesmo em sistemas de saúde consolidados e de alta performance. A reestruturação do sistema público de saúde do Distrito Federal, baseado no fortalecimento da Atenção Primária à Saúde (APS), na reconfiguração da atenç...
