Food additive databasetofu coagulant, yeast food, nutrient (fortification)Checked 2026-10-02
Magnesium Sulfate 硫酸マグネシウム
Designated additiveNot on the EU additive list
- Purpose
- tofu coagulant, yeast food, nutrient (fortification)
- On the label
- “凝固剤” (coagulant), “豆腐用凝固剤” (tofu coagulant), “イーストフード” (yeast food), “硫酸Mg” (magnesium sulfate), “硫酸マグネシウム” (magnesium sulfate)
- Name in the List of Designated Additives
- 硫酸マグネシウム (No. 457)
In Japan
- The sulfate salt of magnesium. No standards for use are set.
- It falls within the group names “豆腐用凝固剤” (tofu coagulant) and “イーストフード” (yeast food), and when used for those purposes it can be written under the group name. When written by substance name, the short name is “硫酸Mg”.
- It also falls within the additives that may be used for nutritional fortification, and labeling is exempt when it is used for that purpose.
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 not on the EU list of food additives (Regulation (EC) No 1333/2008, Annex II), so it cannot be used as a food additive in the EU.
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.