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An electronic nose will detect the freshness of the meat

A team of scientists led by Nanyang Technological University, Singapore (NTU Singapore) has invented an artificial olfactory system that mimics the nose of mammals to accurately assess the freshness of meat.

It is an e-nose, a ‘barcode’ that changes color in reaction to the gases produced by the meat as it decomposes.

The e-nose could help reduce food waste by confirming to consumers that meat is safe to eat, more accurately than a ‘Best Before’ label.