Result
Our findings clearly showed. That the addition of graded concentrations of either lfmf,nbf-lfmf to the organ bath produced concentration-dependent contractile responses in the ileal segments of guinea pig which was quite similar in pattern to that obtained using ach(figure 1b and1c).
Ach contractile response were significantly abolished with 1 micrometer atropine pretreatment of the guinea pig ilem preparations.
Similarly,the contractile effect of lfme and nbf-lfme were significantly inhibited in tissue segments incubated with 1 microm atropine at organ bath concentrations of เลข ,respactively.
Similarly,the ec50 values obtained from the concentration-response curves of ach, lfme and nbf-lfme were เลข.
Data from typical traces demonstrated that the incubation of the ileal segments with 0.05 micrommm neostigmine markedly enhanced the contractile responses of the lower concentration.