Food additive databasenutrient (fortification), color stabilizerChecked 2026-10-02
Ferrous Gluconate (Iron Gluconate) グルコン酸第一鉄（別名グルコン酸鉄）
Designated additivePermitted in the EU (E579)
- Purpose
- nutrient (fortification), color stabilizer
- On the label
- “グルコン酸第一鉄” (ferrous gluconate), “グルコン酸鉄” (iron gluconate)
- Name in the List of Designated Additives
- グルコン酸第一鉄（別名グルコン酸鉄） (No. 131)
In Japan
- Used to supply iron (as a fortifier) and to stabilize the color of olives.
- It may be used only in olives, breast milk substitutes, weaning foods, and powdered milk for pregnant and nursing women.
- It is included among the additives that may be used for nutritional fortification (minerals), and when used for nutritional fortification, it may be omitted from the ingredient list (except for foods for special dietary uses and foods with function claims).
Japan's standards for use
- Olives: up to 0.15 g/kg as iron (for color stabilization)
- Breast milk substitutes, weaning foods, powdered milk for pregnant and nursing women (for fortification)
- May not be used in any other food
This is a summary of the standards for use. See the source list for the exact conditions.
In the EU
- It is on the EU list of food additives (Regulation (EC) No 1333/2008, Annex II) as E579.
Sources
- List of Designated Additives — Japan Food Chemical Research Foundation (Japanese)
- Standards for use and storage of each additive — Japan Food Chemical Research Foundation (Japanese)
- EU food additive database (Japanese translation) — MAFF (Japanese)
- Regulation (EC) No 1333/2008 on food additives — EUR-Lex
- 消費者庁「食品表示基準について」別添 添加物関係（簡略名・用途名併記・一括名・栄養強化の範囲） (Japanese)
Checked 2026-10-02. Rules and evaluations change over time. This page is a translation of our Japanese page; if they differ, the Japanese page is the reference.
This page lists facts stated in laws and in evaluations by public bodies; it is not a safety verdict. Additives used in Japan are approved by the government, which sets the foods and amounts they can be used in. The ADI is a guide to the amount that is considered safe to take every day over a lifetime.