Results: 5

Molecular characterization and incidence of new tospovirus: Soybean Vein Necrosis Virus (SVNV) in Egypt

Braz. j. biol; 84 (), 2024
Abstract Field survey study was conducted season (2017). Soybeans and weeds were weekly sampled randomly. Thrips adults were identified and counted. Detection of the virus isolate and the natural incidence was determined using; Mechanical transmission, host range, DAS-ELISA, RT-PCR. The natural incidence...

Vicenin-2 and vitexin participate in the in vitromodulation of the anti-inflammatory and antioxidant activities exerted by two Urtica circularisextracts

Urtica circularis is an Argentinean species traditionally used to treat inflammation symptoms and oxidative stress-related diseases. Considering the uses in folk medicine, the purpose of this work was to evaluate and compare the anti-inflammatory and antioxidant activities of two different U. ...

Pesticidal and pest repellency activities of a plant derived triterpenoid 2α, 3β, 21β, 23, 28-penta hydroxyl 12-oleanene against Tribolium castaneum

Biol. Res; 47 (), 2014
BACKGROUND: Tribolium castaneum (Herbst) is a major pest of stored grain-based products, and cause severe damage to cereal grains throughout the world. The present investigation was aimed to determine the pesticidal and pest repellent activities of 2α,3β,21β,23,28-penta hydroxyl 12-oleanene against T....

Efecto hipotensor in vivo del extracto seco acuoso de las partes aéreas de Urtica magellánica (ortiga) en ratas hipertensas inducidas por L-NAME y determinación de la toxidad aguda
Hypotensive effect in vivo of the aqueous dry extract of the aerial parts of magellian Urtica (nettle) in hypertensive rats induced by L-NAME and determination of acute toxicity

El objetivo de este estudio experimental ha sido evaluar el posible efecto hipotensor y tóxico del extracto acuoso de Urtica magel/anica (ortiga). Materiales y Métodos: se utilizó ratas albinas machos de raza Holtzmann para la determinación de los efectos, a quienes después de una semana de adaptaci...

Compuestos volátiles libres y enlazados glicosídicamente en la pulpa de la uva Caimarona (Pourouma cecropiifolia Mart. )
Free and glycosidic-linked volatile compounds in the pulp of the Caimarona grape (Pourouma cecropiifolia Mart.)

Acta amaz; 40 (1), 2010
Los componentes volátiles presentes en la pulpa de la uva Caimarona se estudiaron mediante GC-MS. Éstos se extrajeron por tres técnicas: evaporación del aroma asistida con solvente (Solvent Assisted Flavour Evaporation SAFE), extracción continua líquido-líquido (LL) y destilación por arrastre con...