How Does Canned Food Last So Long? | Earth Lab

Jimmy Doherty looks at the science and techniques behind caned food lasting for months and years.
Subscribe:
All the best Earth Lab videos
Best of BBC Earth videos
The Doctors Are In The House
Best Of Earth Unplugged Videos
Jimmy's Food Factory, Series 1
Instant coffee, processed cheese, square sandwich ham - behind every supermarket product is a process and behind every process is a scientific breakthrough. In this entertaining and thought-provoking programme, farmer and TV personality Jimmy Doherty unpacks the science behind the food items we buy every day - from stay-fresh bread to soft scoop ice cream. Working from a makeshift science lab inside a barn, Jimmy carries out experiments to uncover the secrets of food technology. Exploding myths and revealing the little-known processes of food production, Jimmy's Food Factory will change the way you think about food.
Welcome to BBC Earth Lab! Here we answer all your curious questions about science in the world around you (and further afield too). If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Lab experts.
Want to share your views with the team behind BBC Earth and win prizes? Join our fan panel here:
This is a channel from BBC Worldwide, trading as BBC Studios, who help fund new BBC programmes.Service information and feedback: