YenzoWhat is E579 (ferrous gluconate)?
E579 is ferrous gluconate. In Appendix 1 of Circular 24/2019/TT-BYT the functions listed for it are colour retention agent.
E579Ferrous gluconate
E579 is ferrous gluconate (sắt (II) gluconat). In Appendix 1 of Circular 24/2019/TT-BYT its function is colour retention agent.
- Code
- E579 · INS 579
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo Scalevery low?Based on the Open Food Facts additives taxonomy
How E579 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, colour retention agent (579), dried onion and garlic, pepper, natural colour (160a).
colour retention agent (579)colour retention agent 579E579INS 579On Vietnamese labels: Sắt (II) gluconat
Ferrous gluconate in food
Pickled olives
Questions about ferrous gluconate
Is ferrous gluconate harmful?
The JECFA database (the FAO/WHO expert committee) records a group PMTDI for iron of 0.8 mg/kg body weight (expressed as Fe) for ferrous gluconate, evaluated in 1987. PMTDI stands for provisional maximum tolerable daily intake.
Is INS 579 permitted in Vietnam?
Yes. Ferrous gluconate (INS 579) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food, with the function colour retention agent.
Other colour retention agents
E511Magnesium chloridevery lowE512Stannous chloridelowE523Aluminium ammonium sulphatemoderateE528Magnesium hydroxidevery lowE585Ferrous lactatevery lowE5864-Hexylresorcinollow
See all colour retention agents →Updated 21 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:e579)
- 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: Ferrous gluconate, INS 579