pH indicator compositions, solutions and suspensions and pH indicating food storage devices, medical devices and components thereof are provided for visually monitoring, detecting, and/or determining the presence of metabolic by-products from harmful or potentially harmful microorganisms. Also provided are methods of use and preparation of the pH indicator compositions, solutions and suspensions.
提供了用于视觉监测、检测和/或确定有害或潜在有害微
生物代谢产物存在的pH指示剂组合物、溶液和悬浮液以及pH指示食品储存设备、医疗设备和其组件。还提供了pH指示剂组合物、溶液和悬浮液的使用和制备方法。