Use of orally absorbable motilin preparations to enhance motility of digestive tract

摘要

A readily absorbable type of motilin preparation containing a motilin- like active substance and a surface active agent is provided, in which the motilin-like active substance is mainly L-leucine-13-motilin- homoserine, and the surface active agent is selected from the group consisting of a bile salt, saponin and a polyethylene glycol higher- alcohol ether for nasal administration purposes and is a peptide lytic enzyme inhibitor for oral administration purposes.