I just had a look at the ingredients list for Dolmio, and it looks like there's no nasties in it at all. That being said, I suppose it still counts as a UPF? Can it still be really bad for you if the ingredients are all natural ingredients?
Ingredients
Tomatoes (80%), Double Concentrated Tomato Paste (8.3%), Onion, Sugar, Modified Maize Starch, Salt, Sunflower Oil, Basil, Garlic, Acidity Regulator (Citric Acid), Parsley, Spice, Herb