Emulsifier, thickener or gelling agent
Is E424 (Curdlan) halal?
Curdlan is a bacterial β-1,3-glucan made by fermentation, used to set noodles and meat analogues. The organism is not an animal; a named certifier page on this code is still missing.
Fermentation polysaccharide. Searchable identity only — not verified-halal by analogy with other gums.
The detail
Codex lists curdlan as a gelling agent produced by bacterial fermentation. That production route is the same family as xanthan, which already has a page. This code was a hole in the table.
Source
E424 curdlan is a bacterial fermentation gum listed in Codex INS. No class ruling cited.
Classification as published in the Halal Authority India food ingredient numbers reference, the additive table used by halal certifiers across South Asia. Cross-checked against the IFANCA Halal Shopper's Guide.
Where you will run into it
- Noodles
- Meat analogues
- Jellies
How to check it yourself
Fermentation gums are not gelatin. Still confirm no gelatin blend on the same line.
Quick facts
| E-number | E424 |
|---|---|
| Name | Curdlan |
| Also on labels as | E424, beta-1,3-glucan curdlan, bacterial curdlan |
| Additive class | Emulsifier, thickener or gelling agent |
| Classification | Insufficient evidence |
| Last verified | 2026-09-16 |
Common questions
Is E424 (Curdlan) halal?
Curdlan is classified as Insufficient evidence. Fermentation polysaccharide. Searchable identity only — not verified-halal by analogy with other gums.
Is Curdlan halal or haram?
On the evidence cited on this page, Curdlan is insufficient evidence. Not enough reliable source evidence to classify Every position is attributed to a named certifier or scholarly body with a link, so you can verify it directly.
What else is Curdlan called on ingredient labels?
It can appear as: E424, beta-1,3-glucan curdlan, bacterial curdlan.
Where does this page's information come from?
Every position on this page is attributed to a named certifier or scholarly body with a direct link, listed under 'What the sources say'. Muttoo aggregates and cites; it does not issue rulings.
Related lookups
Record e424-curdlan · last verified 2026-09-16 · report an error