Antidiarrheal and antimicrobial activities of the ethanol extract from the Icacina senegalensis root bark.

Background: The Icacina senegalensis root bark is traditionally used for the treatment of gastrointestinal disorders in Nigeria. To date, no scientific study has substantiated or refuted this claim.

Methods: The antidiarrheal and antimicrobial activities of the ethanol root bark extract were investigated in rats and against some selected diarrhea-causing microorganisms.

Results: The extract significantly decreased the frequency of castor oil-induced diarrhea, and inhibited the masses and volumes of intestinal fluid accumulation in the castor oil-induced enteropooling method. The distance travelled by the charcoal meal was also decreased by the extract gastrointestinal transit method. The extract also strongly inhibited the growth of some selected microorganisms.

Conclusions: The ethanol extract of the I. senegalensis root bark showed antidiarrheal activity, thus justifying its long folkloric use in diarrhea treatment. The extract also demonstrated antimicrobial activity against selected diarrheal causing organisms.