Ferrous gluconate

ingredient

About

Ferrous gluconate, or iron(II) gluconate, is the iron(II) salt of gluconic acid. It is a black compound often used as an iron supplement.[1] As a food additive it is used in processing black olives, giving them a uniform jet-black colour. In Europe it carries the E number E579.[1]

Products (1)

Also known as

  • Iron(II) gluconate en
  • Gluconate ferreux fr
  • E579

References

  1. Wikipedia: Iron(II) gluconate Wikipedia. publication. Accessed 2026-09-14. CC BY-SA 4.0. Wikipedia contributors.
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