This topic seemed to feature prominently in a book about diet I was reading, although not in the context of IBD specifically. But associations between food additives and IBD are nothing new. And recently, I've noticed some that specifically mention "ultra-processed" foods. For example:
www.bmj.com
I'm wondering if differences in preparation partly explains why some foods are a problem for some people, and not for others. And some foods that are often safe, like rice, are often not ultra-processed. Of course, things like nuts are often a problem... but maybe that's more the case during a flare.
Anyway, I'm curious to know if this is an avenue that anyone has tried exploring?

Association of ultra-processed food intake with risk of inflammatory bowel disease: prospective cohort study
Objective To evaluate the relation between intake of ultra-processed food and risk of inflammatory bowel disease (IBD). Design Prospective cohort study. Setting 21 low, middle, and high income countries across seven geographical regions (Europe and North America, South America, Africa, Middle...

I'm wondering if differences in preparation partly explains why some foods are a problem for some people, and not for others. And some foods that are often safe, like rice, are often not ultra-processed. Of course, things like nuts are often a problem... but maybe that's more the case during a flare.
Anyway, I'm curious to know if this is an avenue that anyone has tried exploring?