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Page last updated at 09:24 GMT, Thursday, 21 April 2011 10:24 UK

'Low fat, low salt' nano food

A breakthrough in nanotechnology, which uses extremely small particles to develop new products, may soon mean that the fat and salt content in food can be removed without affecting its taste or texture.

Dr Andrew Wadge, of the Food Standards Agency, talks about the dream of removing the calories from food.

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