Polymeric indicator films and pH indicating wraps are provided for visually monitoring, detecting, and/or determining the presence of metabolic byproducts from harmful or potentially harmful microorganisms. Also provided are methods of use and preparation of the polymeric indicator films.
提供聚合物指示膜和pH指示包装,用于直观监测、检测和/或确定有害或潜在有害微
生物产生的代谢副产物的存在。还提供了使用和准备聚合物指示膜的方法。