Last reviewed May 2026 · 1 min read
Is Curdlan vegan?
Also known as: E424
E-number: E424
Vegan
Suitable for a vegan diet.
Yes — Produced by the fermentation of bacteria (Agrobacterium biobar).
01 · The basics
What is Curdlan?
A beta-glucan gum that forms a firm, resilient gel when heated.
02 · The source
Where it comes from
Produced by the fermentation of bacteria (Agrobacterium biobar). 100% vegan.
03 · Alternatives
Best vegan alternatives
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Frequently asked
FAQ
Is Curdlan (E424) vegan?
Yes, it is produced via bacterial fermentation.
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Agar-Agar
A jelly-like substance obtained from red algae, used as a vegan gelatin substitute.
Pectin
A structural heteropolysaccharide contained in the primary cell walls of terrestrial plants.
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