日本語
Food additive databasetofu coagulant, nutrient (fortification)Checked 2026-10-02

Magnesium Chloride 塩化マグネシウム

Designated additivePermitted in the EU (E511)
Purpose
tofu coagulant, nutrient (fortification)
On the label
“豆腐用凝固剤” (coagulant for tofu), “凝固剤” (coagulant), “イーストフード” (yeast food), “塩化Mg” (Mg chloride), “塩化マグネシウム” (magnesium chloride), “塩化物(Ca,Mg)” (chlorides (Ca, Mg))
Name in the List of Designated Additives
塩化マグネシウム (No. 89)

In Japan

  • No standards for use have been set.
  • When used to set soy milk, it can be grouped as “豆腐用凝固剤” (coagulant for tofu) or “凝固剤” (coagulant); when used as a nutrient source for yeast and similar purposes, as “イーストフード” (yeast food). The short name when written by substance name is “塩化Mg” (Mg chloride).
  • It is on the list of additives that may be used for nutritional fortification (minerals), and when used for nutritional fortification, labeling is exempt. It is a separate item from the existing food additive “粗製海水塩化マグネシウム” (crude seawater magnesium chloride).

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 E511.

Sources

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.

Other substances used as tofu coagulant, nutrient (fortification)

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