Jimmy's Food Factory: Preserving

Entertaining science series in which farmer Jimmy Doherty explores the truth behind supermarket food production. In this programme he tries to copy some of the methods that food companies use to preserve food. He finds out why peas have to be frozen within hours of picking and attempts to suck all the water out of strawberries. He also discovers how heat rather than artificial preservatives prolong the life of ready meals and visits the world's biggest baked beans factory