Acetylated oxidized starch

INS 1451

Used as an emulsifier — Codex also lists it as stabilizer, thickener.

This starch is both oxidised and acetylated, combining low viscosity with better stability in cold storage.

Where it is and isn’t permitted

Status of Acetylated oxidized starch by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationNot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.
Codex AlimentariusCodex Alimentarius Commission / JECFAPermitted, with conditions

3 food categories

highest permitted level 50,000 mg/kg

Show every food category
  • 01.2.1.1 Fermented milks (plain), not heat-treated after fermentation — GMP
  • 01.2.1.2 Fermented milks (plain), heat-treated after fermentation — GMP
  • 13.2 Complementary foods for infants and young children — 50,000 mg/kg
CXS 192-1995 Table Three, INS 1451and 3 further provisionsretrieved 2026-09-07

What it is made from

Made by oxidising starch with hypochlorite and then esterifying it with acetic anhydride.

  • Vegan
  • Vegetarian

Every name it appears under

2 recorded names. A label may use any of them.

INS number

  • 1451

Other names

  • ACETYLATED OXIDIZED STARCH

Hazard reference values

No reference value for this substance in the sources we hold.

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • gsfa retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/acetylated-oxidized-starch.json