L(+)-tartaric acid (E334)

No. L(+)-tartaric acid (E334) 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

Antioxidants are substances which prolong the shelf-life of foods by protecting them against deterioration caused by oxidation, such as fat rancidity and colour changes.

A product that contains it can still be ultra-processed for other reasons: 124 of the 132 products here that contain L(+)-tartaric acid (E334) (94%) are in group 4 because of other ingredients or additives.

Function

Antioxidant: Antioxidants are substances which prolong the shelf-life of foods by protecting them against deterioration caused by oxidation, such as fat rancidity and colour changes.
Sequestrant: Sequestrants are substances which form chemical complexes with metallic ions.

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

More about L(+)-tartaric acid (E334) on Wikidata

Where it turns up

L(+)-tartaric acid (E334) appears in 132 of the 40,000 products on this site (0%).

Candies 10 of 486 products
Confectioneries 6 of 1,731 products
Dietary supplements 6 of 1,145 products
Sodas 6 of 612 products
Colas 5 of 142 products
Dijon mustards 4 of 39 products

Products containing L(+)-tartaric acid (E334)

Showing the 60 most popular of 132.

How the NOVA classification works