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Nanotech and food

Nanotechnology holds great promise in the food packaging arena.

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Lightweighting, improved recyclability, strength improvement, monolayer structures with multilayer capabilities, improved barrier properties against environmental factors, increased shelf life, encoding or decorating individual surfaces, counterfeit protection, smart substrates that can sense and signal food contamination or spoilage within or outside a package—these are among the possibilities nanotechnology offers. No wonder one study suggests that the U.S. nanomaterial market, which totaled only $125 million in 2000, is expected to reach $1.4 billion in 2008 and to exceed $30 billion by 2020.

The importance of this technology among researchers from industry and academia was evident at the recently concluded 16th International Association of Packaging Research Institutes (IAPRI) World Conference on Packaging. Held in Bangkok, it featured presentations by some of the most dynamic researchers from around the world. No less than 30 presentations and posters at the conference discussed nanotechnology-based materials, including:

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