Little to worry about? The nanotech in your food

They say that what you don’t know can’t hurt you. What about what you can’t see? Nanotechnology is the science of manipulating particles smaller than a billionth of a metre. At these sizes, materials can be used in new ways and some of them even change properties – silver becomes antimicrobial for instance and can be used to treat wounds.

Additives containing nanoparticles have been used for years, for example silica as an anti-caking agent to keep powders flowing freely, or even in a milkshake to enhance the taste.

The food industry’s current and potential uses of nanotech are discussed in a new report from the Science and Technology Committee of the House of Lords, the upper chamber of the UK parliament. (more…)