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Estudo comparativo da atividade antimicrobiana in vitro de extratos e óleo essencial de Baccharis dracunculifolia D.C, Contra Escherichia coli E Staphylococcus aureus Comparative study of the antimicrobial activity in vitamin of extracts and essential oil of Baccharis dracunculifolia D.C, AGAINST Escherichia coli AND Staphylococcus aureus

Background: Oxidative stress and the mild inflammatory process present in diabetes play a critical role in the pathogenesis of the disease and its comorbidities. This understanding has opened new avenues and targets for developing improved treatments since the risk factors associated with diabetes may be reduced through non-pharmacological interventions. In this sense, plant extracts could be efficient in preventing or assisting these pathological conditions treatment. Methods: Diabetes mellitus was induced in 24 rats, which were allocated in 4 groups: Control (CT), Control+Baccharis (CT-B), Diabetes (DB), and Diabetes+Baccharis (DB-B). For 28 days, the animals of CT-B and DB-B groups were treated, via gavage, with B. dracunculifolia extract at 50 mg.kg-1. Results: The DB group presented higher values than the DB-B group on parameters such as creatinine (26.42%), urea (31.42%), and triglycerides (60.80%). Creatinine and triglycerides values of DB-B group (0.39±0.01 e 75.0±8.4, receptively) were equivalent to the values of CT group (0.32±0.01 e 71.7±5.4) and of CT-B group (0.39±0.01, and 58.8±4.5). The treatment with B. dracunculifolia improved the levels of fasting glucose and response of glucose tolerance (32%), insulin (52,17%) and lipid peroxidation (liver 33.33%, kidney 38.77%) when compared to the DB group. Conclusions: The phenolic compounds and the anti-inflammatory activity of the extract of Baccharis dracunculifolia may be responsible for the hypoglycemic effect observed in the study.

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