Author's Organization：/ Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, University of Tokyo (Present adress)Tajin Pharmaceutical College
The mode of action of pilocarpine, arecoline and 1-ascorbic acid was studied on the isolated ileum of the guinea pig. It was given as a conclusion that pilocarpine and arecoline accelerated the acetylcholine liberation to contract the ileum and that 1-ascorbic acid depressed the acetylcholine liberation from the guinea pig ileum.
