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E400

Alginic acid

Thickener · Gelling agent · Stabiliser

What it is

Thickens and gels. Extracted from brown seaweed.

What it does

  • Thickener

    Makes a food thicker without changing its taste.

  • Gelling agent

    Sets a liquid into a gel.

  • Stabiliser

    Keeps a mixture from separating over time.

Regulatory position

Authorisation in one country says nothing about another, and the absence of a record here is not evidence either way. Where precision matters, follow the citation to the regulation itself.

E400 — Alginic acid · FoodSignal