Journal of ethnopharmacology · 2024
In vivo evaluation of anti-diarrheal activity of hydroalcoholic extract and solvent fractions of the leaf of Leucas deflexa Hook.f (Lamiaceae) in rodents.
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Hammeso Workineh Woldeselassie, Fisseha Nebeyi, Abera Tadele, Nureye Dejen, Woldeselassie Behailu Desalegn
Аннотация
ETHNOPHARMACOLOGICAL RELEVANCE: The emergence of antibiotic-resistant bacteria has intensified the search for novel antidiarrheal drug. Plant-derived extracts offer promising alternatives due to their ability to modulate gut motility and enhance water absorption. The leaves of Leucas deflexa Hook.f., a plant native to Ethiopia, have been traditionally utilized in the treatment of diarrheal diseases. Nonetheless, its traditional application has yet to be scientifically confirmed.
AIM OF THE STUDY: Hence, the aim of the present study was to evaluate antidiarrheal activity of the crude extract and fractions of the leaf of Leucas deflexa Hook.f (Lamiaceae).
MATERIALS AND METHODS: Healthy Swiss albino mice were randomly divided into five groups per experimental model: castor oil-induced diarrhea, gastrointestinal motility, and anti-enteropooling assays. The control group received distilled water (10 ml/kg), while the positive control was treated with loperamide (3 mg/kg). The remaining groups were administered various dosages (LD100, LD200, and LD400 mg/kg) of a hydroalcoholic extract or its fractions from Leucas deflexa Hook.f.
RESULT: The crude extract and chloroform fraction substantially (P < 0.001) delayed the onset of diarrhea, reduced fecal frequency, and decreased total fecal weight at all administered doses compared to the negative control. The butanol and aqueous fractions exhibited a substantial antidiarrheal effect at doses of 200 mg/kg and 400 mg/kg, respectively. All treatments, including the crude extract, chloroform, butanol, and aqueous fractions, substantially (P < 0.001) reduced the volume and weight of intestinal contents at various doses. Additionally, the chloroform, aqueous fraction, and crude extract at doses of 100, 200, and 400 mg/kg substantially inhibited gastrointestinal motility compared to the negative control.
CONCLUSION: The results of this study corroborate the traditional use of Leucas deflexa leaves in the treatment of diarrhea. These findings give a scientific justification for further exploration of the underlying mechanisms and potential therapeutic applications of this plant extract.
AIM OF THE STUDY: Hence, the aim of the present study was to evaluate antidiarrheal activity of the crude extract and fractions of the leaf of Leucas deflexa Hook.f (Lamiaceae).
MATERIALS AND METHODS: Healthy Swiss albino mice were randomly divided into five groups per experimental model: castor oil-induced diarrhea, gastrointestinal motility, and anti-enteropooling assays. The control group received distilled water (10 ml/kg), while the positive control was treated with loperamide (3 mg/kg). The remaining groups were administered various dosages (LD100, LD200, and LD400 mg/kg) of a hydroalcoholic extract or its fractions from Leucas deflexa Hook.f.
RESULT: The crude extract and chloroform fraction substantially (P < 0.001) delayed the onset of diarrhea, reduced fecal frequency, and decreased total fecal weight at all administered doses compared to the negative control. The butanol and aqueous fractions exhibited a substantial antidiarrheal effect at doses of 200 mg/kg and 400 mg/kg, respectively. All treatments, including the crude extract, chloroform, butanol, and aqueous fractions, substantially (P < 0.001) reduced the volume and weight of intestinal contents at various doses. Additionally, the chloroform, aqueous fraction, and crude extract at doses of 100, 200, and 400 mg/kg substantially inhibited gastrointestinal motility compared to the negative control.
CONCLUSION: The results of this study corroborate the traditional use of Leucas deflexa leaves in the treatment of diarrhea. These findings give a scientific justification for further exploration of the underlying mechanisms and potential therapeutic applications of this plant extract.