Food additive databasecoagulant, acidulant, pH adjuster, leavening agentChecked 2026-10-02
Glucono-δ-Lactone (Gluconolactone) グルコノデルタラクトン（別名グルコノラクトン）
Designated additivePermitted in the EU (E575)
- Purpose
- coagulant, acidulant, pH adjuster, leavening agent
- On the label
- “凝固剤” (coagulant), “豆腐用凝固剤” (coagulant for tofu), “酸味料” (acidulant), “pH調整剤” (pH adjuster), “膨脹剤” (leavening agent), “グルコノデルタラクトン” (glucono-delta-lactone)
- Name in the List of Designated Additives
- グルコノデルタラクトン（別名グルコノラクトン） (No. 127)
In Japan
- Used as a tofu coagulant that sets soy milk, as an acidulant, as a pH adjuster, and as a leavening agent.
- It falls within the range of the group names for tofu coagulant, acidulant, pH adjuster, and leavening agent, so when used for that purpose it can be written with only a group name such as “凝固剤” (coagulant) or “pH調整剤” (pH adjuster).
- No standards for use have been set.
Japan's standards for use
There are no standards for use that limit which foods or how much (the general standards for all additives still apply).
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 E575.
When it is labeled under a shared name
Glucono-δ-Lactone (Gluconolactone) may be declared on the label in the same way as “pH調整剤”. See pH adjuster for details.
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.