Food Unwrapped

A selection of previous investigations

A selection of previous investigations from the programme delving into the secrets behind mass-produced food. Jimmy Doherty heads to Kenya to find out what makes one tea more expensive than another, before meeting a taster for one of the UK's largest tea producers. Matt Tebbutt braves the icy waters of the North Sea to join divers harvesting scallops by hand from the sea bed, and Kate Quilton is in Israel to learn why some limes are much juicier than others