琼脂基可降解食品包装薄膜在食品保鲜中的应用研究

Application of Agar Based Degradable Food Packaging Film in FoodPreservation

XIAO Jialing，WU Xiaoqiong， TIAN Jun， WEI Yunlu* （College ofLife Sciences and Agri-forestry， Southwest University of Science and Technology， Mianyang 621010， China）

Abstract： Agar， as a natural polysaccharide， has broad application prospects in the field of food packaging becauseof its good gel，film formingand biodegradability.This article provides asystematic overviewof the sources， chemical structures，and physicochemical properties of agar. It elaborates on the clasification and performance advantages of agar based biodegradable food packaging films，and summarizes their specific applications in the preservation of meat，fruits，vegetables，dairy products，and other foods.Theaimis to provide theoretical references for the innovative development of food packaging materials.

Keywords： agar; degradable films; food packaging; food preservation

近年来，塑料污染已成为全球性环境问题，传统塑料包装因其不可降解性，在自然环境中长期积累，进而产生许多负面影响，如释放双酚A、邻苯二甲酸盐等有害化学物质，对生态系统和人类健康构成严重威胁[1]。（剩余7581字）