Disclosed are systems and methods for inhibiting or preventing the growth of microorganisms and / or killing microorganisms in sealed packages or containers in which goods (and, optionally, food products) are held or stored. The systems and methods optionally include the use of a blended polymer article, preferably a film, that includes an antimicrobial release agent.商品(任意選択的に、食品)が保持又は貯蔵される密閉パッケージ又は容器中での微生物の成長阻害若しくは予防、及び/又は微生物の殺滅のためのシステム及び方法が開示される。このシステム及び方法は、任意選択的に、抗微生物性放出剤を含む混和ポリマー物品、好ましくは、フィルムの使用を含む。