Disclosed is a porous adhesive for corrugated cardboard, including sticky
starch and porous zeolite, in which microscopic holes to be joined with
the microscopic holes in zeolite are formed in starch, thereby
maintaining the freshness of food products stored in a corrugated
cardboard box and efficiently eliminating remaining agricultural chemical
components. Also, a method of manufacturing corrugated cardboard using
the porous adhesive is provided. The porous adhesive for corrugated
cardboard is obtained by blending a mixture, including 68.5.about.79.5 wt
% corn starch, 20.about.30 wt % zeolite powder having the same particle
size to that of the corn starch, and 0.5.about.2 wt %
microorganism-containing yellow soil, caustic soda and a box hardener,
with water. The zeolite powder and the corn starch have a particle size
of 300.about.350 meshes. The microorganisms contained in yellow soil are
selected from the group consisting of Bacillus sp., Acinetobacter sp.,
Pseudomonas sp., and mixtures thereof.