Results: 36

Antitumor compounds from Streptomyces sp. KML-2, isolated from Khewra salt mines, Pakistan

Biol. Res; 48 (), 2015
BACKGROUND: Actinomycetes are gram positive bacteria with high G + C content in their DNA and are capable of producing variety of secondary metabolites. Many of these metabolites possess different biological activities and have the potential to be developed as therapeutic agents. The aim of the present s...

Análisis dimensional del riesgo percibido por la exposición del público a radiaciones electromagnéticas emitidas por estaciones base de telefonía móvil

Rev. luna azul; (39), 2014
La omnipresencia de estaciones base de telefonía móvil (EBTM) en los territorios urbanos ha dado lugar a que la población esté siendo expuesta a las radiaciones no ionizantes (RNI) emitidas por este tipo de fuentes radioeléctricas, dado que estas han sido ubicadas cerca de los sitios donde habitan y...

Estudo da atividade anti-helmíntica do extrato etanólico de Jatropha mollissima (Pohl) Baill. (Euphorbiaceae) sob Haemonchus contortus em ovinos no semiárido paraibano

Pesqui. vet. bras; 34 (11), 2014
Objetivou-se com o presente trabalho, avaliar o efeito anti-helmíntico de Jatropha mollissima por meio de experimentos in vitro e in vivo. Inicialmente foi investigada a concentração de extrato com efeito bioativo, pelo teste de evolução da toxicidade do extrato etanólico de J. mollissima sobre o m...

Characterization and properties of the biosurfactant produced by Candida lipolytica UCP 0988

Electron. j. biotechnol; 17 (1), 2014
Background: Biotechnological processes are costly, especially for the production of biosurfactants. The successful production of a biosurfactant is dependent on the development of processes using low cost raw materials. Considering the importance of the characteristics of a biosurfactant to facilitate it...

Phytochemical and toxicological investigations of crude methanolic extracts, subsequent fractions and crude saponins of Isodon rugosus

Biol. Res; 47 (), 2014
BACKGROUND: Isodon rugosus is used traditionally in the management of hypertension, rheumatism, tooth-ache and pyrexia. Present study was arranged to investigate I. rugosus for phytoconstituents, phytotoxic and cytotoxic activities to explore its toxicological, pharmacological potentials and to rationali...

Extraction of saponins and toxicological profile of Teucrium stocksianum boiss extracts collected from District Swat, Pakistan

Biol. Res; 47 (), 2014
BACKGROUND: The current era is facing challenges in the management of neoplasia and weeds control. The currently available anti-cancer and herbicidal drugs are associated with some serious side effects. Therefore numerous researchers are trying to discover and develop plant based alternative particularly...

Antioxidant, antimicrobial, toxicity and analgesic properties of ethanol extract of Solena amplexicaulis root

Biol. Res; 47 (), 2014
BACKGROUND: This study was subjected to investigate different pharmacological properties of ethanol extract ofSolena amplexicaulis root. RESULTS: The extract contains flavonoid, alkaloid, saponin and steroid compounds. The extract exhibited excellent antioxidant activity in DPPH radical scavenging activi...

In vivo antipyretic, antiemetic, in vitro membrane stabilization, antimicrobial, and cytotoxic activities of different extracts from Spilanthes paniculata leaves

Biol. Res; 47 (), 2014
BACKGROUND: The study was conducted to evaluate the in vitro antimicrobial activity, cytotoxic, and membrane stabilization activities, and in vivo antiemetic and antipyretic potentials of ethanolic extract, n-hexane and ethyl acetate soluble fractions of Spilanthes paniculata leaves for the first time wi...

Detección de metabolitos secundarios en Ambrosia peruviana Willd y determinación de la actividad antibacteriana y antihelmíntica

Infectio; 14 (3), 2010
En el conocimiento etnofarmacológico, Ambrosia peruviana es conocida como una planta antiinfecciosa y antihelmíntica. Dados los altos índices de resistencia bacteriana y parasitaria, se realizó la tamización fitoquímica preliminar siguiendo la metodología de Sanabria, y ensayos biológicos frente ...

Toxicidade de Neem, Azadirachta indica A. Juss. (Meliaceae), em Artemia sp: comparação da preparação comercial e do óleo puro

J. Health Sci. Inst; 26 (2), 2008
Introdução - Azadirachta indica A. Juss. (Meliaceae) é conhecida popularmente por Neem (nim) ou margosa e é caracterizada por ser uma frondosa árvore, presente em regiões tropicais sendo, provavelmente, originada da Ásia. É empregada há tempos não só em medicina e cosmética como também na ag...