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INDICATORS FOR DONENESS OF MICROWAVE FOODS
Microwave ovens don’t evenly heat the food (usually frozen). The heating rate varies from oven-to-oven and on individual settings of the oven. The food inside the container should be uniformly heated and should reach a predetermined temperature. Hence, there is a need for an indicator to monitor doneness of the microwave foods. We have developed indicators which would change color (e.g., red-to-green) when food has reached a predetermined temperature and humidity/steam. The microwave doneness indicators are steam/humidity & time-temperature indicators. They change color with time, temperature and humidity/steam. They don’t change color with only time, only temperature or only humidity. Our indicators change color, e.g., red-to-green/blue when the steam/moisture is produced for a certain period of time. These indicators are in form of labels.
We have also developed an indicator for doneness of foods with dry-heat (gas or electric ovens). The dry-heat indicator will change color with time and temperature (e.g., 100 to 180oC) only.
Additional information
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