Neat News 2478 (added 2022-10-13)

Sensor to detect previously thawed food

When you buy frozen food you want to know that it did not previously thaw and thereby is potentially no longer fit for consumption. Now researchers have designed a sensor made from edible materials such as salt, red cabbage, and beeswax that can tell you whether the food previously thawed and then refroze.

related: #sensor #thawed #frozen

News seen at: ScienceDaily - Living Well