A method and means for enhancing the inner environment of a package containing perishable merchandise include taking a closable package containing perishable merchandise and placing in the package a multi-layered sheet including a plurality of layers comprised of moisture absorbing materials to absorb any residual moisture emanating from the perishable merchandise. The multi-layered sheet includes a quantity of CO
2
generating material incorporated therein. The CO
2
generating material is exposable to humidity and any residual moisture within the package and any moisture absorbing material to allow the CO
2
generating material to emit an atmosphere of CO
2
within the package from exposure to moisture within the air in the package, and to absorb any residual moisture in the package.
一种用于改善装有易腐商品的包装内部环境的方法和装置,包括取一个装有易腐商品的可封闭包装,并在包装内放置一个多层薄片,该多层薄片包括由吸湿材料组成的多层,以吸收易腐商品散发出的任何残余湿气。多层板包括一定量的 CO
2
生成材料。
二氧化碳
2
生成材料可暴露于湿度、包装内的任何残留湿气以及任何吸湿材料中,使 CO
2
生成材料释放出
二氧化碳气体。
2
并吸收包装内的任何残留湿气。