Additive · Antioxidant

E338 — Phosphoric acid · page 64

E338 (Phosphoric acid) appears in the ingredient lists of 4,182 products sold in the United States. Function: antioxidant, sequestrant.

4,182products with a complete record
15%rated A or B on Nutri-Score
5.4 gsugars per 100 g (median)
0.23 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 8%B 7%C 23%D 23%E 40%

3,675 rated products

Median values

Per 100 g, across all 4,182 products
Calories155 kcal
Sugars5.4 g
Saturated fat2.7 g
Salt0.23 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 73.275, 182.1073.

Technical effects listed by the FDA: antimicrobial agent, flavor enhancer, flavoring agent or adjuvant, fumigant, malting or fermenting aid, non-nutritive sweetener, ph control agent, sequestrant

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 7664-38-2 via Wikidata (CC0)