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On the Shelf. Food preservation is the oldest technology known to man. It has improved the diet of sailors and allowed explorers to discover new lands. But today's food scientists are struggling to update the traditional methods in a bid to offer the consumer the seemingly impossible - a long shelf life for natural, fresh products. Quentin Cooper asks whether our changing tastes can ever be satisfied and whether they may put us on course for an increase in food poisoning.
EMAIL: radioscience@bbc.co.uk Producer AlisonAyres
Tastes good, but where's it been?: page 36

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Unknown:
Quentin Cooper
Source: Radio Times

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