Food additive databaseprocessing agentChecked 2026-10-02

Magnesium Silicate ケイ酸マグネシウム

Designated additivePermitted in the EU (E553a)

Purpose: processing agent
On the label: “ケイ酸Mg” (Mg silicate), “ケイ酸マグネシウム” (magnesium silicate) (it is a processing aid removed before the final food is completed, so it is often not labeled)
Name in the List of Designated Additives: ケイ酸マグネシウム (No. 141)

In Japan

Under the standards for use, it can be used only as an aid for filtering fats and oils, and must be removed before the final food is completed.
Under the Food Labeling Standards, additives that count as processing aids can be omitted from the label. The short name when written by substance name is “ケイ酸Mg” (Mg silicate).

Japan's standards for use

Must not be used for any purpose other than as a filter aid for fats and oils
Must be removed before the final food is completed

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 E553a.

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 processing agent

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