Food additive databasetofu coagulant, nutrient (fortification)Checked 2026-10-02
Calcium Sulfate 硫酸カルシウム
Designated additivePermitted in the EU (E516)
- Purpose
- tofu coagulant, 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), “膨張剤” (leavening agent), “硫酸Ca” (Ca sulfate), “硫酸カルシウム” (calcium sulfate)
- Name in the List of Designated Additives
- 硫酸カルシウム (No. 454)
In Japan
- The sulfate salt of calcium, used as a tofu coagulant and as a fortifier that supplements calcium. An upper limit on the amount used, as calcium, is set by the standards for use.
- It falls within the group name ranges for tofu coagulant, yeast food, and leavening agent, and when used for those purposes it can be written together as “凝固剤” (coagulant) and so on. The simplified name when written by substance name is “硫酸Ca” (Ca sulfate).
- It is also within the range of additives that may be used for nutrient fortification, and labeling is exempt when it is used for that purpose.
Japan's standards for use
- Up to 1.0% of the food as calcium (excluding foods bearing special dietary use labeling).
- Only where essential to food manufacturing or processing and for nutritional purposes.
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 E516.
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.