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2.
Medical Journal of Islamic World Academy of Sciences. 2007; 16 (3): 115-119
in English | IMEMR | ID: emr-104592

ABSTRACT

Despite significant achievements in treatment modalities and preventive measures, the prevalence of diabetes has risen exponentially in the last decade. Because of these limitations there is a continued need for new and more effective therapies. An increasing number of people are using dietary and herbal supplements, even though there is a general lack of evidence for their safety and efficacy. Consequently, science-based medical and governmental reg-ulations are needed for more randomized clinical studies to provide evidence of efficacy and safety. The aim of this study was therefore to subject one such promising Vernonia amygdalina [VA], to agents to further investigate the potential function of VA for treatment of diabetes mellitus as potentially emerging alternative therapy for type 2 diabetes. Sixty adult male Sprague-Dawley rats weighing 180-220g were used for the experiment. Half of the animals were randomly rendered diabetic by administering alloxan [150 mg/kg]. Equal numbers [20] of the rats were variously administered aqueous leaf extract of VA [500 mg/kg], chlorpropamide [250 mg/kg] and distilled water [2 ml/kg]. Aqueous leaf extract of VA produced significant [p < 0.05-0.001], reductions in the blood glucose concentrations of normal [normoglycemic] and diabetic [hyperglycemic] rats 1 to 12 hours after acute treatment compared with dis-tilled water-treated control animals. Its blood-glucose-lowering potential in both normoglycemic and alloxan-induced diabetic male Sprague-Dawley rats compared favourably to that of chlorpropamide. Administration of the aqueous extract of VA at a concentration of 500 mg/kg of body weight significantly decreased the levels of blood glucose. The hypoglycemic efficacy was comparable with that of chlorpropamide, a standard hypo-glycemic drug


Subject(s)
Animals, Laboratory , Chlorpropamide , Blood Glucose , Diabetes Mellitus , Hypoglycemic Agents , Rats, Sprague-Dawley , Plant Extracts
3.
Rev. Fac. Cienc. Méd. (Córdoba) ; 40(1/2): 18-25, 1982.
Article in Spanish | LILACS | ID: lil-7395

ABSTRACT

En la presente comunicacion se obtiene el aceite essencial de atamasqui(Atamasquea emarginata,M.) y se detallan sus caracteres organolepticos y algumas constantes fisicas y ensayos quimicos cualitativos. Se determina su poder antiseptico para Staphylococcus aureus, Salmonella typhi y Candida albicans, y sus respectivos coeficientes de fenol segun la tecnica de Ruehle y Brewer (l931).Se concluye que el aceite esencial de atamisqui tiene propiedades antipecticas: que existe una neta diferencia de accion segun el germen sobre el que actue; y teniendo en cuenta los microorganismos ensayados solamente, se podria inferir que el mismo es mucho mas activo para bacterias que para hongos, y entre las primeras, para un germen gramnegativo que para uno grampositivo


Subject(s)
Antisepsis , Oils, Volatile , Candida albicans , Salmonella typhi , Staphylococcus aureus
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