Does it make sense to speak about the modality of food? What kind of truth criteria do people have in mind when they say things like ‘This is not true bread’ or ‘This is real fruit juice’, and how...

Does it make sense to speak about the modality of food? What kind of truth criteria do people have in mind when they say things like ‘This is not true bread’ or ‘This is real fruit juice’, and how would degrees of these kinds of truth be expressed through the food itself, through its packaging and through its advertising?