The present invention relates to a gel type composition for sustained release of chlorine dioxide, comprising: chlorite a buffer solution to maintain pH 1.70-4.50 and a gelling agent. Also, the present invention relates to a pack using the same and a method for preparing the pack. The pack can maintain release speed of chlorite in a stable state for a long period of time, thereby being suitable for preventing spoilage caused by virus in storage or in distribution of agricultural and marine products.COPYRIGHT KIPO 2017본 발명은 아염소산염 pH 1.70~4.50를 유지하기 위한 완충용액 및 겔화제를 포함하는 이산화염소 서방출용 겔형 조성물, 이를 이용한 팩 및 이의 제조방법에 관한 것이다.
