Baby food often has a very long shelf life, but how is this achieved? Jimmy Doherty heads to two factories with two different methods to find out.

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Our team of intrepid presenters (Jimmy Doherty, Kate Quilton, Matt Tebbutt, Helen Lawal, Andi Oliver, Amanda Byram and Briony May Williams) travel the world uncovering unusual, intriguing and surprising secrets behind the food we eat.

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