migration of chemical substances的意思|示意

Migration of chemical substances from plastic packaging materials into foods has been widely concerned which may contaminate foods and finally endanger people's health.

塑料包装材料内含化学物向食品的迁移会造成食品污染并最终危害消费者的健康，近年来受到国内外广泛关注。

This paper reviews and analyzes food simulants applied on migration testing of chemical substances from packaging material and its selection methods.

本文综述了包装材料化学物迁移试验中应用的食品模拟物并对其选用作了分析。