An adhesive composition includes an aqueous dispersion having a primary
part, consisting essentially of a gelatinized starch, and a secondary
part, comprising essentially a non-gelatinized starch and/or a swollen
starch, wherein the starch of the secondary part is a native legume
starch, and the starch of the primary part is optionally a native or
modified legume starch, the legume starches having an amylose content
ranging between 30 and 52%. The invention also concerns the method for
preparing such a composition, comprising its use, assembling the parts
and drying and satisfying the requirements of modern fast machinery.