Food Unwrapped

Locust Bean Gum, Strawberry Juice, North Ronaldsay Sheep (23x5)

Air date: Oct 17, 2022

Kate Quilton's in Portugal to find out what exactly locust bean gum is. Briony May Williams wants to know why strawberry juice is so elusive in supermarkets, and Matt Tebbutt is in the Orkney Islands to uncover some very special residents.