When the crisis comes, the key issue is how you deal with your communication, both internal and external, both verbal and non-verbal.
Overall the aim is to get interested parties and observers confident in the fact that: 1) there is a captain on board 2) facts are shared with transparency and reactivity 3) responsible decisions will be made
The things to avoid : keeping silent or being non factual (= using "may" and "could")
This is valid for food and non-food companies ... to me.