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From 2012.igem.org

Stop the food waste!

Every year, 1,300,000,000 tons of food are thrown away worldwide. This is one third of the global food production. One of the reasons for this is the fact that best before dates are imprecise. A reliable way of monitoring whether food is spoiled or not could save up to 600 euro per household per year.

The Food Warden

The Food Warden is a system which detects meat spoilage. It consists of Bacillus subtilis cells. Their natural genetic response to the rotting gases of meat has been identified and linked to a pigment production system. In this way, a consumer can easily see when the meat is spoiled: it's rotten and you know it! read more

Now in the lab

With the iGEM deadline being just four weeks away, the lab is now always occupied in order to make the Food Warden work. The newly identified genes in the running to become our PBADmeat promoter are ready to be tested, the pigments are waiting to be transformed. But Bacillus biobricks are tricky things... read more