Additive · Stabilizer

E501 — Potassium carbonates · page 22

E501 (Potassium carbonates) appears in the ingredient lists of 1,039 products sold in the United States. Function: stabilizer.

1,039products with a complete record
23%rated A or B on Nutri-Score
8.1 gsugars per 100 g (median)
0.55 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 6%B 17%C 11%D 19%E 47%

733 rated products

Median values

Per 100 g, across all 1,039 products
Calories376 kcal
Sugars8.1 g
Saturated fat5.0 g
Salt0.55 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 172.560, 173.310, 184.1619.

Technical effects listed by the FDA: flavoring agent or adjuvant, leavening agent, nutrient supplement, ph control agent, processing aid

The inventory is a partial list, and a listing is not an FDA approval of every use; the regulations set the permitted uses.

U.S. Food and Drug Administration, Substances Added to Food (updated 9/8/2026), public domain · CAS 584-08-7 via Wikidata (CC0)