Food additive databaseflour treatment agentChecked 2026-10-02
Benzoyl Peroxide 過酸化ベンゾイル
Designated additiveNot on the EU additive list
- Purpose
- flour treatment agent
- On the label
- “過酸化ベンゾイル” (benzoyl peroxide) (not labeled when it qualifies as a processing aid)
- Name in the List of Designated Additives
- 過酸化ベンゾイル (No. 100)
In Japan
- A flour treatment agent. Under the standards for use, it may be used only in wheat flour, and it must be used as “diluted benzoyl peroxide,” diluted with alum, starch, or similar substances.
- Under the Food Labeling Standards, substances that are removed before the food is completed, for example, are treated as “processing aids” (加工助剤) and are exempt from additive labeling.
Japan's standards for use
- May be used only in wheat flour
- Must be blended with one or more of alum, calcium salts of phosphoric acid, calcium sulfate, calcium carbonate, magnesium carbonate, and starch, and used as diluted benzoyl peroxide
- As diluted benzoyl peroxide: wheat flour 0.30 g/kg
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.
- It is not listed in the EU list of food additives (Regulation (EC) No 1333/2008, Annex II), and its use as a food additive is not permitted.
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（内閣府令）本則・附則 (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.