Ammonium hydrogen carbonate (E503ii)

No. Ammonium hydrogen carbonate (E503ii) is not one of the markers Open Food Facts uses to classify a food as processed or ultra-processed, so on its own it doesn't raise a product's NOVA group.

What it is

A food additive authorised for industrial food production.

A product that contains it can still be ultra-processed for other reasons: 442 of the 483 products here that contain ammonium hydrogen carbonate (E503ii) (92%) are in group 4 because of other ingredients or additives.

More about ammonium hydrogen carbonate (E503ii) on Wikidata

Where it turns up

Ammonium hydrogen carbonate (E503ii) appears in 483 of the 40,000 products on this site (1%).

Products containing ammonium hydrogen carbonate (E503ii)

Showing the 60 most popular of 483.

How the NOVA classification works