Antiulcer activity of the ethanol extract of Sesbania grandiflora

The ethanolic extract of the bark of S. grandiflora prevented acute gastric injury in rats. Stress and nonstereoidal antiinflammatory drugs-induced lesions were significantly prevented by the extract. At a dosis of 36.75 mg/kg (ED50, p.o.) the extract did not modify the volume, pH and hydrochloric acid contents of gastric secretion. At the doses used the animals had no depressive, excitatory or sleepness symptoms, suggesting that problably centrally acting components involved in antiulcer action are not found in the extract. The results suggest that S. grandiflora has antiulcer potential...

Atividade antibacteriana de uma formulacao preparada a partir de propolis de Apis mellifera L / Antibacterial action of a formulation containing propolis of Apis mellifera L

Sao apresentados resultados de testes in vitro de inibicao do crescimento de bacterias, realizados com uma formulacao que contem extrato de propolis, oleos essencias, sacarose e glicose. Observou-se acao inibitoria sobre bacterias Gram-positivas. As bacterias Gram-negativas mostraram em geral resistentes. A acao antibacteriana observada e devida exclusivamente aos componentes da propolis, nao se podendo atribuir qualquer participacao aos componentes dos oleos essenciais