Food additive databasepH adjuster, seasoningChecked 2026-10-02
Potassium Lactate 乳酸カリウム
Designated additivePermitted in the EU (E326)
- Purpose
- pH adjuster, seasoning
- On the label
- “pH調整剤” (pH adjuster), “調味料（有機酸）” (seasoning (organic acid)), “乳酸K” (potassium lactate), “乳酸カリウム” (potassium lactate)
- Name in the List of Designated Additives
- 乳酸カリウム (No. 298)
In Japan
- Used to adjust the pH of food and to adjust flavor.
- It falls within the group names for pH adjusters and for seasonings (organic acids), and when used for those purposes it can be written as “pH調整剤” (pH adjuster) or “調味料（有機酸）” (seasoning (organic acid)). It is not within the group name for acidulants.
- The short name when written by substance name is “乳酸K” (potassium lactate). No standards for use have been set.
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 E326.
When it is labeled under a shared name
Potassium Lactate may be declared on the label in the same way as “pH調整剤”. See pH adjuster for details.
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.