date:Apr 10, 2013
It is not obvious when examining a wrapped lettuce or a microwavable bowl of Chinese soup. But plastic food packaging is made of multiple layers designed to act as a barrier for oxygen or bacteria. Each of these layers is made by a different manufacturer. Still, at the end of the chain, the food manufacturer who sells the packaged product is the sole responsible for food safety, notes Olivier Vitrac, a researcher at the Genial joint research unit of the National Institute of Agricultural Researc