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Flavour enhancer

E627 (disodium guanylate): what it is, its sources, vegan or not

E627 can come from yeast, fermentation or fish, and the pack rarely says which. Vegetarian and vegan profiles get Heads up: source not stated.

By Bravoora teamUpdated Sources checked 4 sourcesHow we check

Heads up

for a vegan profile

E627=source not stated

What is E627?

E627 (disodium guanylate) is a flavour enhancer, an additive that brings out the taste or smell a food already has.

What is E627 made from?

E627 can come from yeast, fermentation or fish.

  • Yeast
  • Fermentation
  • FishDeclared allergen

Is E627 vegan?

Heads up. Source not stated. E627 can come from yeast, fermentation or fish. The pack does not have to say which, so the app says Heads up instead of guessing.

What the app says to each profile, and the reason it shows.

VeganHeads upSource not stated. E627 can come from yeast, fermentation or fish. The pack does not have to say which, so the app says Heads up instead of guessing.
VegetarianHeads upSource not stated. E627 can come from yeast, fermentation or fish. One of those is meat, fish or a slaughter by-product, and the pack does not have to say which.
Fish allergyHeads upIt can come from fish. In the EU, UK, US and Gulf a label must name fish when that is the source, so read the Contains line.

What other names does E627 have on a label?

On a label, E627 can also appear as “INS 627”, “Flavour enhancer (627)”, “Flavour enhancer (E627)”, “Disodium guanylate” or “GMP”.

Any of these on a pack means E627. The checker reads them all.

E627E 627E-627INS 627Flavour enhancer (627)Flavour enhancer (E627)Disodium guanylateGMPDisodium 5′-guanylate

What would change the answer for E627?

For E627, a stated source changes the answer. A pack that says “from fermentation” gives Fits you; one that says “from fish” gives Not for you. A list that is cut off or unreadable gets Needs one more scan.

Sources: EU, US and Codex additive rules

Where additives are listed and approved. Bravoora reads the source and the diet; it does not rate the hazard.

  1. EU Regulation 1333/2008 on food additives (the E-number list)
  2. EU Regulation 1169/2011, Annex II: the allergen sources a label must name
  3. US FDA: Food Additive Status List
  4. FAO/WHO Codex: General Standard for Food Additives (GSFA) online

Names and classes cross-checked with Open Food Facts (Open Database License).

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