Now that Russians are further away from Kiev hopefully the lights are going to stay on.
I wonder if you could use a UV light to disinfect bread and other food. I think they actually use it in industrial settings.
https://www.violetdefense.com/blog/2018/9/21/5-ways-that-uv-light-can-help-with-food-safety
https://food.ndtv.com/food-drinks/ultraviolet-light-can-kill-pathogens-in-fruit-1201785
I don't remember where I read it - but some few days ago I read a report that when it comes to bread, human touch is the most significant contributor of mould spores. Wearing gloves when cutting the bread does by average significantly help pushing on the expiry date.
There's a whole microbiome on our skin, so yes, I am sure that too is true.