PURPOSE: To remarkably prolong the period of retaining freshness of unripe UME (plumb) by sealing the unripe UME and an ethylene remover in a specific pouch, hermetically sealing the pouch and preserving the unripe UME in the pouch at ordinary temperature.
CONSTITUTION: For example, a folded part 1 of gusset bag composed of the folded part 1 and a drum part 2 is constructed from a sheet prepared by laminating polymethylpentene on a nonwoven fabric heat-sealable at a low temperature to provide a gusset bag having 10000-100000co/24hr.atm oxygen permeability per pouch at 23°C. Unripe UME in an amount of 10kg and an ethylene remover are sealed in the pouch, hermetically sealed and preserved at ordinary temperature to retain the objective freshness.
SUGAWARA NORIKO
MITA KOZO
