Cyclodextrin, alpha-

INS 457

Used as a thickener — Codex also lists it as stabilizer.

Alpha-cyclodextrin is the six-unit ring, with a smaller cavity than the beta form. It is used as a carrier for flavours and as a soluble dietary fibre.

Where it is and isn’t permitted

Status of Cyclodextrin, alpha- 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

no numerical limit (good manufacturing practice)

CXS 192-1995 Table Three, INS 457retrieved 2026-09-07

What it is made from

Produced enzymatically from starch, forming a closed ring of six glucose units.

  • Vegan
  • Vegetarian

Every name it appears under

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

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/cyclodextrin-alpha.json