Plastic packaging materials used in contact with food have brought great convenience to people.They can preserve food,prevent moisture and extend its shelf life.However,due to plastic manufacturing processes,degradation,and other reasons,harmful chemicals may remain in plastic packaging materials used in contact with food,which can migrate to the food during contact and cause certain harm to the human body.This article elaborates on the current composition of plastic packaging materials for food contact,as well as the quality requirements and related detection technologies for harmful substances that may remain or migrate in plastic packaging materials for food contact in China's national food safety standards.
关键词
食品接触用塑料/塑料包装材料/有害物质/残留/迁移/检测
Key words
plastics used in contact with food/plastic packaging materials/harmful substances/residual/migration/testing