Nisin (E234)

No. Nisin (E234) 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

Preservatives are substances which prolong the shelf-life of foods by protecting them against deterioration caused by micro-organisms and/or which protect against growth of pathogenic micro-organisms.

A product that contains it can still be ultra-processed for other reasons: 23 of the 25 products here that contain nisin (E234) (92%) are in group 4 because of other ingredients or additives.

Function

Preservative: Preservatives are substances which prolong the shelf-life of foods by protecting them against deterioration caused by micro-organisms and/or which protect against growth of pathogenic micro-organisms.

Functional class definitions from the EU food additives regulation, via Open Food Facts.

More about nisin (E234) on Wikidata

Where it turns up

Nisin (E234) appears in 25 of the 40,000 products on this site (0%).

Cheeses 5 of 1,223 products
Cheese spreads 4 of 112 products
Egg substitutes 3 of 9 products
Appetizers 1 of 2,498 products
Breads 1 of 2,388 products
Breadsticks 1 of 55 products

Products containing nisin (E234)

How the NOVA classification works