Effect of packaging films on infestation by insects

Stored-product insects frequently infest packaged food, causing significant monetary losses worldwide. Researchers at the Crop Research Institute in Czech Republic compared the resistance of 9 new monolayer and multilayer food-packaging films to infestation by 4 key insect food pests.
The tested pest species differed in their chewing capacity and in the size of their entrance hole. They found that porous paper and an unprinted polyethylene monolayer (40 μm thick) provided the least mechanical resistance, while the highest level of mechanical resistance was recorded for 50-μm-thick polypropylene/metalized-polypropylene. An article about the research is published in Food Control.
Click here for an abstract of the article.

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