S. Korean researchers develop portable ‘electronic nose' that checks meat freshness

The Korea Research Institute of Bioscience and Biotechnology developed a portable ‘electronic nose’ that can check in real-time whether meat has spoiled.

The research team developed the electronic nose by creating two types of new compounds that can react to foul-smelling compounds and putrescine and applying them to a bionano sensor.

Cadaverine and putrescine generate bad odors caused by meat decay.

The portable electronic nose uses a small battery and features an easy-to-replace sensor.

Kwon Oh-seok, a researcher at the Korea Research Institute of Bioscience and Biotechnology, noted that the electronic nose not only measures meat freshness but also provides data on the correlation of various factors affecting meat decay, including temperature and humidity.