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It won't kill you

发布时间:2019-03-07 01:15:08来源:未知点击:

By Kurt Kleiner in Toronto A PLASTIC food wrap developed in Canada changes colour if food is contaminated with food-poisoning bugs. The new wrap, being developed by the Toronto company Toxin Alert, uses standard antibody tests to warn of four pathogens. The antibodies, which have been modified to stick on the inside of plastic wrapping, are activated when the wrap touches contaminated food. But some food scientists are concerned that the wrapper might not be sensitive enough to detect low levels of these organisms, even though slight contamination may make people ill. “This should be affordable for everyone. If you can afford a sandwich bag,