Food additive databasedisinfectantChecked 2026-10-02
1-Hydroxyethylidene-1,1-Diphosphonic Acid 1-ヒドロキシエチリデン-1,1-ジホスホン酸
Designated additiveNot on the EU additive list
- Purpose
- disinfectant
- On the label
- “1-ヒドロキシエチリデン-1,1-ジホスホン酸” (1-hydroxyethylidene-1,1-diphosphonic acid) (not labeled when it counts as a processing aid)
- Name in the List of Designated Additives
- 1-ヒドロキシエチリデン-1,1-ジホスホン酸 (No. 322)
In Japan
- A component of peracetic acid preparations. Under the standards for use, it is limited to use as part of a peracetic acid preparation. Peracetic acid preparations are used to disinfect the surface of meat, fruits, and vegetables, and an upper limit on the amount allowed in the soaking solution or spray solution is set for each food.
- When it counts as a processing aid, for example because it is removed before the food is completed, it is exempt from labeling in the ingredient list (Food Labeling Standards).
Japan's standards for use
- Must not be used except as a peracetic acid preparation
- Standard for peracetic acid preparations: in poultry meat, up to 0.136 g/kg in the soaking solution or spray solution
- In beef and pork, up to 0.024 g/kg in the soaking solution or spray solution
- In fruits and vegetables, up to 0.0048 g/kg in the soaking solution or spray solution
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・類別名一覧、一括名の範囲、栄養強化の範囲ほか） (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.