The ethanolic extract of Daucus carota seeds ( DCE ) was administered orally in three doses ( 100 , 200 , 400 mg/kg ) for seven successive days to different groups of young and aged mice .
O O B-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity O B-ChemicalEntity O O O O O O O O O O O O O O O O O O O O O O O O O O B-OrganismTaxon O