Is Disodium 5-Ribonucleotides (E635) vegan?
Depends· E635
A 50/50 blend of E627 and E631. Vegan status depends on the E631 source.
What it is
Mixture of disodium guanylate and disodium inosinate used to amplify umami flavour.
Why depends
The inosinate half is commonly fish-derived. Microbial versions exist but are rarely labelled.
Where you'll find it
- Snack seasoning
- Stocks
- Asian instant noodles
Vegan alternatives
- Yeast extract
- Kombu/dashi-style seaweed powders
FAQ
- How do I check?
- Contact the brand and ask whether the inosinate is tapioca/bacterial or fish-derived.
Sources
Last reviewed June 4, 2026