In practical terms, "hyper palatable", "ultra processed", and "energy dense but nutrient poor" all mean roughly the same thing, which is colloquially called "junk food"
Gotta love how we create jargon in academia 
Lol, palatability there is, I think, a matter of taste rather than description. It's true that you can get low-energy ultra-processed/palatable food, but that's really the exception that proves the rule (and most people would still call it 'junk')
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