Examinando por Autor "Rivera Vicuña, David Walter"

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    Actividad antiinflamatoria del extracto etanólico de las hojas del Baccharis buxifolia (Lam.) Pers. “Talla” en ratones
    (Universidad Privada Norbert Wiener, 2018-08-22) Rivera Vicuña, David Walter; Chávez Flores, Juana Elvira
    The present research aimed to evaluate the anti-inflammatory activity of the ethanolic extract of Baccharis buxifolia (Lam.) Pers. “Talla” leaves in mice. Solubility testing and a qualitative phytochemical profile of the ethanolic extract were carried out. To determine anti-inflammatory activity, the subplantar edema method with 1% albumin, as described by Winter et al. (modified), was employed. Forty-two albino mice (Mus musculus strain Balb/C53) of both sexes, each weighing more than 25 g, were used. The mice were randomly distributed into six groups and subsequently administered 0.1 mL of 1% albumin in the subplantar region. The plant extract was tested at concentrations of 100, 200, and 400 mg/kg of body weight, while dexamethasone (4 mg/kg) and diclofenac (50 mg/kg) were used as standard drugs. The results showed that the ethanolic extract of Baccharis buxifolia leaves, at 400 mg/kg, exhibited the greatest anti-inflammatory effect at two hours, with an inhibition percentage of 62%, compared with the lower extract concentrations (100 mg/kg: 10%; 200 mg/kg: 28%) and with the standard drugs diclofenac (50 mg/kg: 31%) and dexamethasone (4 mg/kg: 48%). It is concluded that the ethanolic extract of Baccharis buxifolia (Lam.) Pers. “Talla” leaves demonstrates significant anti-inflammatory activity at a dose of 400 mg/kg.