Is it safe to eat?

Supermarkets are selling fruit and veg with a substance that is supposedly increasing the foodstuff’s shelf life, but is it safe to eat? Links: ------------------------------------------------------------------- PLEASE SUPPORT THE CHANNEL My videos are funded by people like you. If you enjoy them, please help me make more: Visit to become a patron. You can support me by making a one off donation My Website: OTHER CHANNELS The English Couple - @the-english-couple Julia’s channel -