Turning white wine into red

Help

Does the colour of food affect how we taste it? Stefan Gates and food scientist Alice Pegg add red food colouring to a white wine - a pinot gris, to be exact - to see if a group of wine tasters spot their ruse.

E Numbers: An Edible Adventure will be broadcast on Thursday 26 August at 2000 BST on BBC Two and will be available on the BBC iPlayer

Copyright © 2016 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.