Is E634 / E635 (Mixed 5'-ribonucleotides) Halal?
It depends on what the label says.
Halal if verified
High confidence About this ruling
About this ruling
- Condition
- Source disclosure is incomplete
- Evidence confidence
- High means this page cites a primary regulator listing and a named Halal certifier listing, retrieved 15 August 2026. That describes the quality of the sources on this page—not a Halal certificate for the pack or outlet in your hand.
E635 is the mixed sodium salts of 5'-GMP and 5'-IMP; E634 is the calcium blend.
Evidence at a glance
Named sources used for this page. Open the full Sources block for notes and citation numbers.
| Source | Type | Retrieved |
|---|---|---|
| Regulation (EC) No 1333/2008 on food additives European Union | Regulatory / labelling | |
| EFSA — Re-evaluation of glutamates, guanylates, inosinates and ribonucleotides (E620–E635) European Food Safety Authority | Regulatory / labelling | |
| European Commission — Food additives European Commission | Regulatory / labelling | |
| Codex GSFA online FAO / WHO Codex | Regulatory / labelling | |
| SANHA — Mashbooh E-numbers SANHA | Certifier / jurisdiction |
Additive identity
Possible source pathways
The finished molecule can be identical across feedstocks. The Halal ruling follows the pathway, not the code alone.
- microbial · Typical Halal Yeast or bacterial fermentation of plant sugars is the usual modern route.
- fish Halal Fish-extract routes are Halal under mainstream fish rulings.
- animal Halal if verified Meat-extract routes follow species and slaughter. Pork is haram.
- undisclosed · Typical Halal if verified Snack labels rarely name the feedstock.
Photo: No machine-readable author provided. Ustas~commonswiki assumed (based on copyright claims). · CC BY-SA 3.0
Why this ruling
E635 is the label-saving blend: disodium 5'-ribonucleotides, Codex INS 635. Chemically it is mixed sodium salts of 5'-GMP and 5'-IMP—the same pair as E627 and E631. E634 is the calcium analogue.[1][2]
Do not invent a third ruling. Fermentation/yeast is Halal; unspecified is Halal if verified; meat extracts follow slaughter.[5] Scan tokens 635, E635, and INS 635 should all open this page.
Where you'll find it
- Seasoning blends sold as a single nucleotide line
- Crisps and instant noodles
How to verify
1) Match E634, E635, INS 635, or disodium 5'-ribonucleotides. 2) Do not invent a third ruling. 3) Scan tokens 635, E635, and INS 635 should all open this page.
- E635 = mixed 5'-ribonucleotides = E627+E631 blend.
- E634 is the calcium analogue.
- No third ruling.
Conditions for Halal
- Fermentation / yeast blend, or Halal-certified seasoning → Halal
- Fish-extract blend → Halal under mainstream fish rulings
- Pork or non-zabiha meat extract → haram
- Unspecified E634/E635 → Halal if verified
Scholarly differences
E635 is a label-saving blend of the guanylate and inosinate pair. Certifier mashbooh lists treat unspecified mixed ribonucleotides like the parents.
Frequently asked questions
Is E635 different from E627 plus E631?
What is E634?
Sources
Named Islamic, certifier, manufacturer, and regulatory sources used on this page. Inline markers like [1] jump here. Retrieval dates show when we last checked the live URL. Editorial methodology.
Certifier / jurisdiction
-
SANHA
Source-dependent additives listed mashbooh pending origin.
Retrieved:
Regulatory / labelling
-
Regulation (EC) No 1333/2008 on food additives
European Union
Union-list identity—not a Halal certificate.
Retrieved:
-
EFSA — Re-evaluation of glutamates, guanylates, inosinates and ribonucleotides (E620–E635)
European Food Safety Authority
Production by fermentation or extraction from yeast, fish, or meat.
Retrieved:
-
-
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