YenzoWhat is E629 (calcium guanylate)?
E629 is calcium guanylate. In Appendix 1 of Circular 24/2019/TT-BYT the functions listed for it are flavour enhancer.
E629Calcium guanylate
E629 is calcium guanylate (calci guanylat). In Appendix 1 of Circular 24/2019/TT-BYT its function is flavour enhancer.
- Code
- E629 · INS 629
- Group
- Flavour enhancer
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo Scalelow?Based on the Open Food Facts additives taxonomy
How E629 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, flavour enhancer (629), dried onion and garlic, pepper, natural colour (160a).
flavour enhancer (629)flavour enhancer 629E629INS 629On Vietnamese labels: Calci 5'-guanylat
Calcium guanylate in food
Salt substitutes
Questions about calcium guanylate
Is calcium guanylate harmful?
The JECFA database (the FAO/WHO expert committee) records an ADI of “not specified” (no numerical ADI is needed) for calcium 5'-guanylate, evaluated in 1985; this is a group ADI for guanylic acid and its calcium, disodium and dipotassium salts.
Is INS 629 permitted in Vietnam?
Yes. Calcium guanylate (INS 629) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food, with the function flavour enhancer.
Other flavour enhancers
E626Guanylic acidlowE627Disodium guanylatelowE628Dipotassium guanylatelowE630Inosinic acidlowE631Disodium inosinatelowE632Dipotassium inosinatelow
See all flavour enhancers →Updated 23 October 2026
Sources (3)
- Open Food Facts additives taxonomy (Yenzo's table cites no EFSA opinion for this code). Open Food Facts additives taxonomy, https://github.com/openfoodfacts/openfoodfacts-server/blob/main/taxonomies/additives.txt (entry en:e629)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 2A: mức sử dụng tối đa phụ gia trong thực phẩm
- JECFA (FAO/WHO) evaluation database: Calcium 5'-guanylate, INS 629