| abstract |
An oligosaccharide derivative, at higher homogeneity than fucose polysaccharidenand rhamnose polysaccharide and with greater antiulcer effects, which is represented bynthe following general formula:n Y-OCH (CH 2 NHR) 2 nwherein, Y represents an oligofucose or oligorhamnose at a polymerization number of 2nto 20, where the hydroxyl groups may or may not be partially modified in the form ofnsulfate ester, and R represents phenyl group, a higher alkylphenyl group, a higher alkylngroup or -(CH 2 ) n -NHX wherein n is an integer of 1 to 10 and X represents a highernalkanoyl group or an alkylamino group. |